{"id":1911,"date":"2024-12-24T13:39:50","date_gmt":"2024-12-24T04:39:50","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=1911"},"modified":"2025-03-24T08:49:36","modified_gmt":"2025-03-23T23:49:36","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%e3%80%91c-delegate%e3%81%ae%e5%ae%9f%e8%b7%b5%e7%9a%84%e3%81%aa%e6%b4%bb%e7%94%a8%e8%a1%937%e9%81%b8-%e3%83%91%e3%83%95%e3%82%a9%e3%83%bc","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=1911","title":{"rendered":"\u3010\u5b8c\u5168\u30ac\u30a4\u30c9\u3011C# Delegate\u306e\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u88537\u9078 &#8211; \u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u8a2d\u8a08\u306e\u6700\u9069\u5316\u3082\u89e3\u8aac"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<p><strong>## \u306f\u3058\u3081\u306b<\/strong><\/p>\n\n\n\n<p>C#\u306eDelegate\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u306e\u3088\u3046\u306b\u6271\u3048\u308b\u5f37\u529b\u306a\u6a5f\u80fd\u3067\u3059\u3002\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u67d4\u8edf\u6027\u3068\u518d\u5229\u7528\u6027\u304c\u5927\u304d\u304f\u5411\u4e0a\u3057\u3001\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p>\u672c\u8a18\u4e8b\u3067\u306f\u3001Delegate\u306e\u57fa\u790e\u304b\u3089\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u65b9\u6cd5\u307e\u3067\u3001\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3068\u5171\u306b\u8a73\u3057\u304f\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u672c\u8a18\u4e8b\u3067\u5b66\u3079\u308b\u3053\u3068<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p class=\"is-style-sango-paragraph-idea-alt\">Delegate\u306e\u57fa\u672c\u7684\u306a\u6982\u5ff5\u3068\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u5b9f\u8df5\u7684\u306aDelegate\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3\u3068\u5b9f\u88c5\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305fDelegate\u306e\u6700\u9069\u5316\u624b\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u5b89\u5168\u306a\u4f7f\u7528\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4f7f\u3048\u308b\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u4f8b<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u3084\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306a\u3069\u306e\u5b9f\u8df5\u7684\u306a\u8a2d\u8a08\u30d1\u30bf\u30fc\u30f3<\/p>\n<\/div><\/div>\n\n\n\n<div class=\"toc\"><br \/>\n<b>Warning<\/b>:  Undefined array key \"is_admin\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>116<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_category_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>121<\/b><br \/>\n<br \/>\n<b>Warning<\/b>:  Undefined array key \"is_top\" in <b>\/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/sango-theme\/library\/gutenberg\/dist\/classes\/Toc.php<\/b> on line <b>128<\/b><br \/>\n    <div id=\"toc_container\" class=\"sgb-toc--bullets js-smooth-scroll\" data-dialog-title=\"\u76ee\u6b21\">\n      <p class=\"toc_title\">\u76ee\u6b21 <\/p>\n      <ul class=\"toc_list\">  <li class=\"first\">    <a href=\"#i-0\">C# Delegate\u3068\u306f\uff1f\u57fa\u790e\u304b\u3089\u5b8c\u5168\u7406\u89e3<\/a>    <ul class=\"menu_level_1\">      <li class=\"first last\">        <a href=\"#i-4\">Delegate\u306e\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-8\">Delegate\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-9\">Delegate\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-13\">\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8Delegate\u306e\u6d3b\u7528\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-14\">\u30b8\u30a7\u30cd\u30ea\u30c3\u30afDelegate\u3067\u578b\u5b89\u5168\u6027\u3092\u78ba\u4fdd<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-18\">\u5b9f\u8df5\u7684\u306aDelegate\u6d3b\u7528\u30d1\u30bf\u30fc\u30f37\u9078<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-19\">\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u51e6\u7406\u306e\u5b9f\u88c5<\/a>      <\/li>      <li>        <a href=\"#i-20\">\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u67d4\u8edf\u306a\u8a2d\u8a08<\/a>      <\/li>      <li>        <a href=\"#i-21\">\u95a2\u6570\u306e\u52d5\u7684\u306a\u5dee\u3057\u66ff\u3048<\/a>      <\/li>      <li>        <a href=\"#i-22\">\u975e\u540c\u671f\u51e6\u7406\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/a>      <\/li>      <li>        <a href=\"#i-23\">\u6226\u7565\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/a>      <\/li>      <li>        <a href=\"#i-24\">\u30c1\u30a7\u30fc\u30f3\u51e6\u7406\u306e\u5b9f\u88c5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-25\">\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-26\">Delegate\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-27\">Delegate\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-31\">Delegate\u306e\u5b9f\u884c\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-35\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-36\">Delegate\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-37\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e3\u3064\u306e\u5bfe\u7b56<\/a>      <\/li>      <li>        <a href=\"#i-41\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u5b89\u5168\u306a\u4f7f\u7528\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-45\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u30c7\u30ea\u30b2\u30fc\u30c8\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u307e\u3068\u3081<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-46\">C# Delegate\u306e\u6d3b\u7528\u4e8b\u4f8b\u3068\u5b9f\u88c5\u4f8b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-47\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-50\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u5b66\u3076\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-53\">Delegate\u306e\u307e\u3068\u3081<\/a>  <\/li><\/ul>\n      <a href=\"#\" class=\"sgb-toc-button js-toc-button\" rel=\"nofollow\" data-open-dialog=\"true\"><i class=\"fa fa-list\"><\/i><span class=\"sgb-toc-button__text\">\u76ee\u6b21\u3078<\/span><\/a>\n    <\/div><\/div><h2 class=\"wp-block-heading\" id=\"i-0\">C# Delegate\u3068\u306f\uff1f\u57fa\u790e\u304b\u3089\u5b8c\u5168\u7406\u89e3<\/h2>\n\n\n\n<p>\u30c7\u30ea\u30b2\u30fc\u30c8\uff08Delegate\uff09\u306f\u3001C#\u306b\u304a\u3051\u308b\u30e1\u30bd\u30c3\u30c9\u306e\u53c2\u7167\u578b\u3067\u3059\u3002\u7c21\u5358\u306b\u8a00\u3048\u3070\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u306e\u3088\u3046\u306b\u6271\u3048\u308b\u3088\u3046\u306b\u3059\u308b\u6a5f\u80fd\u3067\u3059\u3002<br>\u3053\u308c\u306b\u3088\u308a\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5f15\u6570\u3068\u3057\u3066\u6e21\u3057\u305f\u308a\u3001\u5b9f\u884c\u6642\u306b\u52d5\u7684\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u5207\u308a\u66ff\u3048\u305f\u308a\u3059\u308b\u3053\u3068\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-1\">1. <strong>\u30b3\u30fc\u30c9\u306e\u758e\u7d50\u5408\u5316<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-sgb-box sng-box box6\">\n<p><strong>\u8ab2\u984c<\/strong>: \u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u5f37\u3044\u4f9d\u5b58\u95a2\u4fc2\u306b\u3088\u308a\u3001\u30b3\u30fc\u30c9\u306e\u5909\u66f4\u304c\u56f0\u96e3<br><strong>\u89e3\u6c7a\u65b9\u6cd5<\/strong>: \u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u6a5f\u80fd\u3092\u5b9f\u88c5\u3057\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u76f4\u63a5\u7684\u306a\u4f9d\u5b58\u3092\u907f\u3051\u308b<br><strong>\u30e1\u30ea\u30c3\u30c8<\/strong>: \u4fdd\u5b88\u6027\u306e\u5411\u4e0a\u3001\u30c6\u30b9\u30c8\u5bb9\u6613\u6027\u306e\u5411\u4e0a<\/p>\n<\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u5f93\u6765\u306e\u5b9f\u88c5\uff08\u5f37\u7d50\u5408\uff09\npublic class OrderProcessor {\n    private EmailNotifier _notifier = new EmailNotifier();\n\n    public void ProcessOrder(Order order) {\n        \/\/ \u6ce8\u6587\u51e6\u7406\n        _notifier.SendNotification(order);  \/\/ \u76f4\u63a5\u4f9d\u5b58\n    }\n}\n\n\/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u88c5\uff08\u758e\u7d50\u5408\uff09\npublic class OrderProcessor {\n    private Action&lt;Order&gt; _notificationDelegate;\n\n    public OrderProcessor(Action&lt;Order&gt; notificationMethod) {\n        _notificationDelegate = notificationMethod;\n    }\n\n    public void ProcessOrder(Order order) {\n        \/\/ \u6ce8\u6587\u51e6\u7406\n        _notificationDelegate?.Invoke(order);  \/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u7d4c\u7531\u3067\u901a\u77e5\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-2\">2. <strong>\u5b9f\u884c\u6642\u306e\u632f\u308b\u821e\u3044\u5909\u66f4<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-sgb-box sng-box box6\">\n<p><strong>\u8ab2\u984c<\/strong>: \u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u52d5\u4f5c\u3092\u52d5\u7684\u306b\u5909\u66f4\u3059\u308b\u5fc5\u8981\u6027<br><strong>\u89e3\u6c7a\u65b9\u6cd5<\/strong>: \u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u4f7f\u7528\u3057\u3066\u5b9f\u884c\u6642\u306b\u30e1\u30bd\u30c3\u30c9\u3092\u5207\u308a\u66ff\u3048\u308b<br><strong>\u30e1\u30ea\u30c3\u30c8<\/strong>: \u67d4\u8edf\u6027\u306e\u5411\u4e0a\u3001\u62e1\u5f35\u6027\u306e\u78ba\u4fdd<\/p>\n<\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u8a08\u7b97\u51e6\u7406\u3092\u30c7\u30ea\u30b2\u30fc\u30c8\u3067\u5207\u308a\u66ff\u3048\npublic class Calculator {\n    private Func&lt;double, double, double&gt; _operation;\n\n    public void SetOperation(Func&lt;double, double, double&gt; operation) {\n        _operation = operation;\n    }\n\n    public double Calculate(double x, double y) {\n        return _operation(x, y);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar calc = new Calculator();\ncalc.SetOperation((x, y) =&gt; x + y);  \/\/ \u52a0\u7b97\nvar result1 = calc.Calculate(5, 3);   \/\/ \u7d50\u679c: 8\n\ncalc.SetOperation((x, y) =&gt; x * y);  \/\/ \u4e57\u7b97\u306b\u5207\u308a\u66ff\u3048\nvar result2 = calc.Calculate(5, 3);   \/\/ \u7d50\u679c: 15<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-3\">3. <strong>\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u5b9f\u88c5<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-sgb-box sng-box box6\">\n<p><strong>\u8ab2\u984c<\/strong>: \u8907\u6570\u306e\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u3067\u306e\u30a4\u30d9\u30f3\u30c8\u901a\u77e5\u306e\u5b9f\u88c5<br><strong>\u89e3\u6c7a\u65b9\u6cd5<\/strong>: \u30c7\u30ea\u30b2\u30fc\u30c8\u30d9\u30fc\u30b9\u306e\u30a4\u30d9\u30f3\u30c8\u6a5f\u80fd\u3092\u4f7f\u7528<br><strong>\u30e1\u30ea\u30c3\u30c8<\/strong>: \u758e\u7d50\u5408\u306a\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u5b9f\u73fe\u3001\u30b3\u30fc\u30c9\u306e\u6574\u7406<\/p>\n<\/div>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b\npublic class StockMonitor {\n    \/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u5b9a\u7fa9\n    public delegate void StockPriceChangedHandler(decimal oldPrice, decimal newPrice);\n\n    \/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u5ba3\u8a00\n    public event StockPriceChangedHandler PriceChanged;\n\n    private decimal _currentPrice;\n\n    public decimal CurrentPrice {\n        get =&gt; _currentPrice;\n        set {\n            if (_currentPrice != value) {\n                decimal oldPrice = _currentPrice;\n                _currentPrice = value;\n                \/\/ \u30a4\u30d9\u30f3\u30c8\u901a\u77e5\n                PriceChanged?.Invoke(oldPrice, value);\n            }\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-4\">Delegate\u306e\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>\u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u5185\u90e8\u7684\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u4ed5\u7d44\u307f\u3067\u52d5\u4f5c\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-5\">1. <strong>\u30c7\u30ea\u30b2\u30fc\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u306e\u751f\u6210<\/strong><\/h4>\n\n\n\n<div class=\"wp-block-sgb-box sng-box box6\">\n<ul class=\"wp-block-list is-style-sango-list-simple\">\n<li>\u30c7\u30ea\u30b2\u30fc\u30c8\u306f\u5b9f\u969b\u306b\u306f\u30af\u30e9\u30b9\u306e\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u3068\u3057\u3066\u751f\u6210\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u30e1\u30bd\u30c3\u30c9\u60c5\u5831\u3068\u30bf\u30fc\u30b2\u30c3\u30c8\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306e\u53c2\u7167\u3092\u4fdd\u6301<\/li>\n<\/ul>\n<\/div>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-6\">2. <strong>\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\u306e\u4ed5\u7d44\u307f<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u5ba3\u8a00\npublic delegate int CalculateDelegate(int x, int y);\n\n\/\/ \u30e1\u30bd\u30c3\u30c9\u306e\u5b9a\u7fa9\npublic static int Add(int x, int y) =&gt; x + y;\n\n\/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u4f7f\u7528\u4f8b\nCalculateDelegate calc = Add;  \/\/ \u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u306e\u4fdd\u6301\nint result = calc(5, 3);      \/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u7d4c\u7531\u3067\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n\n\/* \u5185\u90e8\u7684\u306a\u52d5\u4f5c\u306e\u6d41\u308c\n1. \u30c7\u30ea\u30b2\u30fc\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4f5c\u6210\u3055\u308c\u308b\n2. Add\u30e1\u30bd\u30c3\u30c9\u3078\u306e\u53c2\u7167\u304c\u4fdd\u6301\u3055\u308c\u308b\n3. calc(5, 3)\u547c\u3073\u51fa\u3057\u6642\u306b\u3001\u4fdd\u6301\u3055\u308c\u3066\u3044\u308bAdd\u30e1\u30bd\u30c3\u30c9\u304c\u5b9f\u884c\u3055\u308c\u308b\n*\/<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-7\">3. <strong>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u306e\u4ed5\u7d44\u307f<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u4f8b\npublic delegate void LogDelegate(string message);\n\nLogDelegate log = (msg) =&gt; Console.WriteLine($\"Console: {msg}\");\nlog += (msg) =&gt; File.AppendAllText(\"log.txt\", $\"File: {msg}\\n\");\n\n\/\/ \u4e21\u65b9\u306e\u30e1\u30bd\u30c3\u30c9\u304c\u9806\u756a\u306b\u5b9f\u884c\u3055\u308c\u308b\nlog(\"Test Message\");  \/\/ \u30b3\u30f3\u30bd\u30fc\u30eb\u3068\u30d5\u30a1\u30a4\u30eb\u306e\u4e21\u65b9\u306b\u51fa\u529b<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306b\u3001\u30c7\u30ea\u30b2\u30fc\u30c8\u306f.NET Framework\u306e\u91cd\u8981\u306a\u6a5f\u80fd\u306e1\u3064\u3068\u3057\u3066\u3001\u30b3\u30fc\u30c9\u306e\u67d4\u8edf\u6027\u3068\u518d\u5229\u7528\u6027\u3092\u9ad8\u3081\u308b\u305f\u3081\u306b\u5e83\u304f\u6d3b\u7528\u3055\u308c\u3066\u3044\u307e\u3059\u3002<br>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3088\u308a\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u8a73\u3057\u304f\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-8\">Delegate\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9\u3092\u30de\u30b9\u30bf\u30fc\u3057\u3088\u3046<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">Delegate\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>Delegate\u306e\u5ba3\u8a00\u3068\u521d\u671f\u5316\u306b\u306f\u3001\u3044\u304f\u3064\u304b\u306e\u91cd\u8981\u306a\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u304c\u3042\u308a\u307e\u3059\u3002<br>\u4ee5\u4e0b\u3067\u3001\u5177\u4f53\u7684\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3068\u5171\u306b\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-10\">1. <strong>\u6a19\u6e96\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u6d3b\u7528<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">\/\/ \u975e\u63a8\u5968: \u30ab\u30b9\u30bf\u30e0\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u5b9a\u7fa9\npublic delegate void CustomProcessDelegate(string input);\n\n\/\/ \u63a8\u5968: \u6a19\u6e96\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u4f7f\u7528\npublic void ProcessWithAction(Action&lt;string&gt; processor) {\n    \/\/ Action\u3092\u4f7f\u7528\u3057\u305f\u5b9f\u88c5\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nAction&lt;string&gt; logger = Console.WriteLine;\nFunc&lt;int, int, int&gt; add = (x, y) =&gt; x + y;\nPredicate&lt;string&gt; isEmpty = string.IsNullOrEmpty;<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-11\">2. <strong>\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u521d\u671f\u5316\u30d1\u30bf\u30fc\u30f3<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class NotificationService {\n    \/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u30d5\u30a3\u30fc\u30eb\u30c9\u5ba3\u8a00\n    private readonly Action&lt;string&gt; _notifier;\n\n    \/\/ \u30b3\u30f3\u30b9\u30c8\u30e9\u30af\u30bf\u3067\u306e\u521d\u671f\u5316\uff08\u63a8\u5968\uff09\n    public NotificationService(Action&lt;string&gt; notifier) {\n        _notifier = notifier ?? throw new ArgumentNullException(nameof(notifier));\n    }\n\n    \/\/ \u30e1\u30bd\u30c3\u30c9\u5185\u3067\u306e\u4f7f\u7528\n    public void SendNotification(string message) {\n        _notifier(message);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar emailNotifier = new NotificationService(msg =&gt; SendEmail(msg));\nvar smsNotifier = new NotificationService(msg =&gt; SendSMS(msg));<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-12\">3. <strong>null\u6761\u4ef6\u6f14\u7b97\u5b50\u306e\u6d3b\u7528<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class EventPublisher {\n    private Action&lt;string&gt; _onMessageReceived;\n\n    public void PublishMessage(string message) {\n        \/\/ null\u6761\u4ef6\u6f14\u7b97\u5b50\u3092\u4f7f\u7528\u3057\u3066\u5b89\u5168\u306b\u547c\u3073\u51fa\u3057\n        _onMessageReceived?.Invoke(message);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-13\">\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8Delegate\u306e\u6d3b\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8Delegate\u306f\u3001\u8907\u6570\u306e\u30e1\u30bd\u30c3\u30c9\u30921\u3064\u306e\u30c7\u30ea\u30b2\u30fc\u30c8\u306b\u30c1\u30a7\u30fc\u30f3\u3059\u308b\u6a5f\u80fd\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class LoggingService {\n    \/\/ \u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u5b9a\u7fa9\n    private Action&lt;string&gt; _loggers = null;\n\n    \/\/ \u30ed\u30ac\u30fc\u306e\u8ffd\u52a0\n    public void AddLogger(Action&lt;string&gt; logger) {\n        _loggers += logger;\n    }\n\n    \/\/ \u30ed\u30ac\u30fc\u306e\u524a\u9664\n    public void RemoveLogger(Action&lt;string&gt; logger) {\n        _loggers -= logger;\n    }\n\n    \/\/ \u30ed\u30b0\u306e\u8a18\u9332\n    public void Log(string message) {\n        _loggers?.Invoke(message);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar loggingService = new LoggingService();\n\n\/\/ \u8907\u6570\u306e\u30ed\u30b0\u30cf\u30f3\u30c9\u30e9\u30fc\u3092\u8ffd\u52a0\nloggingService.AddLogger(msg =&gt; Console.WriteLine($\"Console: {msg}\"));\nloggingService.AddLogger(msg =&gt; File.AppendAllText(\"app.log\", $\"{msg}\\n\"));\nloggingService.AddLogger(msg =&gt; SendToDatabase(msg));\n\n\/\/ \u5168\u3066\u306e\u30ed\u30ac\u30fc\u304c\u9806\u756a\u306b\u5b9f\u884c\u3055\u308c\u308b\nloggingService.Log(\"Important message\");<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-14\">\u30b8\u30a7\u30cd\u30ea\u30c3\u30afDelegate\u3067\u578b\u5b89\u5168\u6027\u3092\u78ba\u4fdd<\/h3>\n\n\n\n<p>\u30b8\u30a7\u30cd\u30ea\u30c3\u30afDelegate\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u578b\u5b89\u5168\u6027\u3092\u78ba\u4fdd\u3057\u3064\u3064\u3001\u67d4\u8edf\u306a\u5b9f\u88c5\u304c\u53ef\u80fd\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-15\">1. <strong>\u57fa\u672c\u7684\u306a\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u30c7\u30ea\u30b2\u30fc\u30c8<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class DataProcessor&lt;T&gt; {\n    private readonly Func&lt;T, bool&gt; _validator;\n    private readonly Action&lt;T&gt; _processor;\n\n    public DataProcessor(Func&lt;T, bool&gt; validator, Action&lt;T&gt; processor) {\n        _validator = validator;\n        _processor = processor;\n    }\n\n    public void Process(T data) {\n        if (_validator(data)) {\n            _processor(data);\n        }\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar numberProcessor = new DataProcessor&lt;int&gt;(\n    validator: num =&gt; num &gt; 0,  \/\/ \u6b63\u306e\u6570\u306e\u307f\u51e6\u7406\n    processor: num =&gt; Console.WriteLine($\"Processing: {num}\")\n);<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-16\">2. <strong>\u30b8\u30a7\u30cd\u30ea\u30c3\u30af\u5236\u7d04\u306e\u6d3b\u7528<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class EntityValidator&lt;T&gt; where T : class {\n    private readonly List&lt;Func&lt;T, bool&gt;&gt; _validations = new List&lt;Func&lt;T, bool&gt;&gt;();\n\n    public void AddValidation(Func&lt;T, bool&gt; validation) {\n        _validations.Add(validation);\n    }\n\n    public bool Validate(T entity) {\n        return _validations.All(validation =&gt; validation(entity));\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class User {\n    public string Name { get; set; }\n    public string Email { get; set; }\n}\n\nvar userValidator = new EntityValidator&lt;User&gt;();\nuserValidator.AddValidation(user =&gt; !string.IsNullOrEmpty(user.Name));\nuserValidator.AddValidation(user =&gt; !string.IsNullOrEmpty(user.Email));\nuserValidator.AddValidation(user =&gt; user.Email.Contains(\"@\"));<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-17\">3. <strong>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u3067\u306e\u6d3b\u7528<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class EventHub&lt;T&gt; {\n    private event Action&lt;T&gt; _eventHandlers;\n\n    public void Subscribe(Action&lt;T&gt; handler) {\n        _eventHandlers += handler;\n    }\n\n    public void Unsubscribe(Action&lt;T&gt; handler) {\n        _eventHandlers -= handler;\n    }\n\n    public void Publish(T data) {\n        _eventHandlers?.Invoke(data);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar messageHub = new EventHub&lt;string&gt;();\nmessageHub.Subscribe(msg =&gt; Console.WriteLine($\"Handler 1: {msg}\"));\nmessageHub.Subscribe(msg =&gt; Console.WriteLine($\"Handler 2: {msg}\"));<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u578b\u5b89\u5168\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<br>\u6b21\u306e\u30bb\u30af\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3088\u308a\u5b9f\u8df5\u7684\u306a\u6d3b\u7528\u30d1\u30bf\u30fc\u30f3\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u3066\u3044\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-18\">\u5b9f\u8df5\u7684\u306aDelegate\u6d3b\u7528\u30d1\u30bf\u30fc\u30f37\u9078<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-19\">\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u51e6\u7406\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u30b3\u30fc\u30eb\u30d0\u30c3\u30af\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u975e\u540c\u671f\u51e6\u7406\u3084\u51e6\u7406\u306e\u5b8c\u4e86\u901a\u77e5\u306b\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class AsyncProcessor {\n    public void ProcessAsync(string data, Action&lt;string&gt; onSuccess, Action&lt;Exception&gt; onError) {\n        try {\n            \/\/ \u975e\u540c\u671f\u51e6\u7406\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\n            Task.Run(() =&gt; {\n                \/\/ \u4f55\u3089\u304b\u306e\u51e6\u7406\n                var result = ProcessData(data);\n                onSuccess?.Invoke(result);\n            }).ContinueWith(t =&gt; {\n                if (t.Exception != null) {\n                    onError?.Invoke(t.Exception);\n                }\n            }, TaskContinuationOptions.OnlyOnFaulted);\n        }\n        catch (Exception ex) {\n            onError?.Invoke(ex);\n        }\n    }\n\n    private string ProcessData(string data) {\n        \/\/ \u5b9f\u969b\u306e\u51e6\u7406\n        return $\"Processed: {data}\";\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar processor = new AsyncProcessor();\nprocessor.ProcessAsync(\n    \"test data\",\n    result =&gt; Console.WriteLine($\"Success: {result}\"),\n    error =&gt; Console.WriteLine($\"Error: {error.Message}\")\n);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u67d4\u8edf\u306a\u8a2d\u8a08<\/h3>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8\u99c6\u52d5\u578b\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u304a\u3051\u308b\u67d4\u8edf\u306a\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306e\u5b9f\u88c5\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class EventAggregator {\n    private readonly Dictionary&lt;Type, List&lt;Delegate&gt;&gt; _eventHandlers \n        = new Dictionary&lt;Type, List&lt;Delegate&gt;&gt;();\n\n    public void Subscribe&lt;TEvent&gt;(Action&lt;TEvent&gt; handler) {\n        var eventType = typeof(TEvent);\n        if (!_eventHandlers.ContainsKey(eventType)) {\n            _eventHandlers[eventType] = new List&lt;Delegate&gt;();\n        }\n        _eventHandlers[eventType].Add(handler);\n    }\n\n    public void Publish&lt;TEvent&gt;(TEvent eventData) {\n        var eventType = typeof(TEvent);\n        if (_eventHandlers.ContainsKey(eventType)) {\n            foreach (var handler in _eventHandlers[eventType]) {\n                ((Action&lt;TEvent&gt;)handler)(eventData);\n            }\n        }\n    }\n}\n\n\/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u5b9a\u7fa9\npublic record UserCreatedEvent(string UserId, string Username);\npublic record OrderPlacedEvent(string OrderId, decimal Amount);\n\n\/\/ \u4f7f\u7528\u4f8b\nvar eventAggregator = new EventAggregator();\n\n\/\/ \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u306e\u767b\u9332\neventAggregator.Subscribe&lt;UserCreatedEvent&gt;(e =&gt; \n    Console.WriteLine($\"User created: {e.Username}\"));\neventAggregator.Subscribe&lt;OrderPlacedEvent&gt;(e =&gt; \n    Console.WriteLine($\"Order placed: {e.Amount:C}\"));\n\n\/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u767a\u884c\neventAggregator.Publish(new UserCreatedEvent(\"U1\", \"John\"));\neventAggregator.Publish(new OrderPlacedEvent(\"O1\", 99.99m));<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-21\">\u95a2\u6570\u306e\u52d5\u7684\u306a\u5dee\u3057\u66ff\u3048<\/h3>\n\n\n\n<p>\u5b9f\u884c\u6642\u306b\u51e6\u7406\u3092\u52d5\u7684\u306b\u5207\u308a\u66ff\u3048\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class PricingStrategy {\n    private Func&lt;decimal, decimal&gt; _discountStrategy;\n\n    public void SetStrategy(Func&lt;decimal, decimal&gt; strategy) {\n        _discountStrategy = strategy;\n    }\n\n    public decimal CalculatePrice(decimal originalPrice) {\n        return _discountStrategy?.Invoke(originalPrice) ?? originalPrice;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar pricing = new PricingStrategy();\n\n\/\/ \u901a\u5e38\u4fa1\u683c\uff0820%\u5272\u5f15\uff09\npricing.SetStrategy(price =&gt; price * 0.8m);\nConsole.WriteLine(pricing.CalculatePrice(100));  \/\/ \u51fa\u529b: 80\n\n\/\/ \u30bb\u30fc\u30eb\u671f\u9593\u4e2d\uff0850%\u5272\u5f15\uff09\npricing.SetStrategy(price =&gt; price * 0.5m);\nConsole.WriteLine(pricing.CalculatePrice(100));  \/\/ \u51fa\u529b: 50\n\n\/\/ \u7279\u5225\u30bb\u30fc\u30eb\uff081000\u5186\u4ee5\u4e0a\u306730%\u5272\u5f15\uff09\npricing.SetStrategy(price =&gt; price &gt;= 1000 ? price * 0.7m : price);\nConsole.WriteLine(pricing.CalculatePrice(1000)); \/\/ \u51fa\u529b: 700\nConsole.WriteLine(pricing.CalculatePrice(900));  \/\/ \u51fa\u529b: 900<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-22\">\u975e\u540c\u671f\u51e6\u7406\u3068\u306e\u7d44\u307f\u5408\u308f\u305b<\/h3>\n\n\n\n<p>\u975e\u540c\u671f\u51e6\u7406\u3068Delegate\u3092\u7d44\u307f\u5408\u308f\u305b\u305f\u9ad8\u5ea6\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class AsyncOperationManager {\n    private readonly Dictionary&lt;string, Func&lt;Task&gt;&gt; _operations \n        = new Dictionary&lt;string, Func&lt;Task&gt;&gt;();\n\n    public void RegisterOperation(string name, Func&lt;Task&gt; operation) {\n        _operations[name] = operation;\n    }\n\n    public async Task ExecuteOperationAsync(string name) {\n        if (_operations.TryGetValue(name, out var operation)) {\n            await operation();\n        }\n    }\n\n    public async Task ExecuteAllAsync() {\n        var tasks = _operations.Values.Select(op =&gt; op());\n        await Task.WhenAll(tasks);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar manager = new AsyncOperationManager();\n\n\/\/ \u975e\u540c\u671f\u64cd\u4f5c\u306e\u767b\u9332\nmanager.RegisterOperation(\"DataLoad\", async () =&gt; {\n    await Task.Delay(1000); \/\/ \u30c7\u30fc\u30bf\u30ed\u30fc\u30c9\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\n    Console.WriteLine(\"Data loaded\");\n});\n\nmanager.RegisterOperation(\"Calculation\", async () =&gt; {\n    await Task.Delay(500); \/\/ \u8a08\u7b97\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\n    Console.WriteLine(\"Calculation completed\");\n});\n\n\/\/ \u5b9f\u884c\nawait manager.ExecuteAllAsync();<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u6226\u7565\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u6226\u7565\u30d1\u30bf\u30fc\u30f3\u3092Delegate\u3092\u4f7f\u3063\u3066\u8efd\u91cf\u306b\u5b9f\u88c5\u3059\u308b\u4f8b\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class SortingContext {\n    private readonly Dictionary&lt;string, Func&lt;IEnumerable&lt;int&gt;, IEnumerable&lt;int&gt;&gt;&gt; _sortingStrategies\n        = new Dictionary&lt;string, Func&lt;IEnumerable&lt;int&gt;, IEnumerable&lt;int&gt;&gt;&gt;();\n\n    public SortingContext() {\n        \/\/ \u30c7\u30d5\u30a9\u30eb\u30c8\u306e\u4e26\u3073\u66ff\u3048\u6226\u7565\u3092\u767b\u9332\n        _sortingStrategies[\"ascending\"] = numbers =&gt; numbers.OrderBy(n =&gt; n);\n        _sortingStrategies[\"descending\"] = numbers =&gt; numbers.OrderByDescending(n =&gt; n);\n        _sortingStrategies[\"evenFirst\"] = numbers =&gt; \n            numbers.OrderBy(n =&gt; n % 2).ThenBy(n =&gt; n);\n    }\n\n    public void AddStrategy(string name, Func&lt;IEnumerable&lt;int&gt;, IEnumerable&lt;int&gt;&gt; strategy) {\n        _sortingStrategies[name] = strategy;\n    }\n\n    public IEnumerable&lt;int&gt; Sort(string strategyName, IEnumerable&lt;int&gt; numbers) {\n        return _sortingStrategies.TryGetValue(strategyName, out var strategy)\n            ? strategy(numbers)\n            : numbers;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar sorter = new SortingContext();\nvar numbers = new[] { 1, 4, 2, 8, 5, 3 };\n\n\/\/ \u7570\u306a\u308b\u6226\u7565\u3067\u4e26\u3073\u66ff\u3048\nvar ascending = sorter.Sort(\"ascending\", numbers);\nvar evenFirst = sorter.Sort(\"evenFirst\", numbers);<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-24\">\u30c1\u30a7\u30fc\u30f3\u51e6\u7406\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u51e6\u7406\u3092\u9023\u9396\u7684\u306b\u5b9f\u884c\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class RequestProcessor {\n    private readonly List&lt;Func&lt;string, bool&gt;&gt; _validators \n        = new List&lt;Func&lt;string, bool&gt;&gt;();\n    private readonly List&lt;Action&lt;string&gt;&gt; _processors \n        = new List&lt;Action&lt;string&gt;&gt;();\n\n    public RequestProcessor AddValidator(Func&lt;string, bool&gt; validator) {\n        _validators.Add(validator);\n        return this;\n    }\n\n    public RequestProcessor AddProcessor(Action&lt;string&gt; processor) {\n        _processors.Add(processor);\n        return this;\n    }\n\n    public void Process(string request) {\n        \/\/ \u5168\u3066\u306e\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3092\u30c1\u30a7\u30c3\u30af\n        if (_validators.All(validator =&gt; validator(request))) {\n            \/\/ \u5168\u3066\u306e\u51e6\u7406\u3092\u9806\u756a\u306b\u5b9f\u884c\n            _processors.ForEach(processor =&gt; processor(request));\n        }\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar processor = new RequestProcessor()\n    .AddValidator(req =&gt; !string.IsNullOrEmpty(req))\n    .AddValidator(req =&gt; req.Length &lt;= 100)\n    .AddProcessor(req =&gt; Console.WriteLine($\"Logging: {req}\"))\n    .AddProcessor(req =&gt; Console.WriteLine($\"Processing: {req}\"))\n    .AddProcessor(req =&gt; Console.WriteLine($\"Storing: {req}\"));\n\nprocessor.Process(\"Test Request\");<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-25\">\u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/h3>\n\n\n\n<p>\u30a4\u30d9\u30f3\u30c8\u901a\u77e5\u3092\u52b9\u7387\u7684\u306b\u5b9f\u88c5\u3059\u308b\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class Observable&lt;T&gt; {\n    private readonly List&lt;Action&lt;T&gt;&gt; _observers = new List&lt;Action&lt;T&gt;&gt;();\n\n    public IDisposable Subscribe(Action&lt;T&gt; observer) {\n        _observers.Add(observer);\n        return new Unsubscriber(() =&gt; _observers.Remove(observer));\n    }\n\n    public void Notify(T value) {\n        foreach(var observer in _observers.ToArray()) {\n            observer(value);\n        }\n    }\n\n    private class Unsubscriber : IDisposable {\n        private readonly Action _unsubscribe;\n\n        public Unsubscriber(Action unsubscribe) {\n            _unsubscribe = unsubscribe;\n        }\n\n        public void Dispose() {\n            _unsubscribe?.Invoke();\n        }\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\nvar observable = new Observable&lt;string&gt;();\n\n\/\/ \u30aa\u30d6\u30b6\u30fc\u30d0\u30fc\u306e\u767b\u9332\nusing var subscription1 = observable.Subscribe(msg =&gt; \n    Console.WriteLine($\"Observer 1: {msg}\"));\nusing var subscription2 = observable.Subscribe(msg =&gt; \n    Console.WriteLine($\"Observer 2: {msg}\"));\n\n\/\/ \u901a\u77e5\u306e\u767a\u884c\nobservable.Notify(\"Hello, Observers!\");<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u983b\u7e41\u306b\u4f7f\u7528\u3055\u308c\u308b\u5b9f\u8df5\u7684\u306a\u5b9f\u88c5\u4f8b\u3067\u3059\u3002<br>\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u9078\u629e\u3057\u3001\u5fc5\u8981\u306b\u5fdc\u3058\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-26\">Delegate\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-27\">Delegate\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u3092\u6700\u9069\u5316\u3059\u308b\u65b9\u6cd5<\/h3>\n\n\n\n<p>Delegate\u306e\u30e1\u30e2\u30ea\u4f7f\u7528\u3092\u6700\u9069\u5316\u3059\u308b\u306b\u306f\u3001\u4ee5\u4e0b\u306e\u624b\u6cd5\u304c\u52b9\u679c\u7684\u3067\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">1. <strong>\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u306e\u6d3b\u7528<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class MemoryOptimization {\n    \/\/ \u975e\u63a8\u5968: \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u3092\u30c7\u30ea\u30b2\u30fc\u30c8\u3068\u3057\u3066\u4f7f\u7528\n    private readonly Action&lt;string&gt; _instanceLogger;\n\n    \/\/ \u63a8\u5968: \u9759\u7684\u30e1\u30bd\u30c3\u30c9\u3092\u30c7\u30ea\u30b2\u30fc\u30c8\u3068\u3057\u3066\u4f7f\u7528\n    private static readonly Action&lt;string&gt; _staticLogger = LogMessage;\n\n    public MemoryOptimization() {\n        \/\/ \u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u30e1\u30bd\u30c3\u30c9\u306e\u5834\u5408\u3001\u6bce\u56de\u65b0\u3057\u3044\u30c7\u30ea\u30b2\u30fc\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4f5c\u6210\u3055\u308c\u308b\n        _instanceLogger = LogMessage;\n    }\n\n    private static void LogMessage(string message) {\n        Console.WriteLine(message);\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-29\">2. <strong>\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5\u5316<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class DelegateCache {\n    \/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u30ad\u30e3\u30c3\u30b7\u30e5\u3059\u308b\u30c7\u30a3\u30af\u30b7\u30e7\u30ca\u30ea\n    private static readonly Dictionary&lt;string, Delegate&gt; _cachedDelegates \n        = new Dictionary&lt;string, Delegate&gt;();\n\n    public static TDelegate GetCachedDelegate&lt;TDelegate&gt;(string key, Func&lt;TDelegate&gt; factory) \n        where TDelegate : Delegate {\n        if (!_cachedDelegates.TryGetValue(key, out var cached)) {\n            cached = factory();\n            _cachedDelegates[key] = cached;\n        }\n        return (TDelegate)cached;\n    }\n\n    \/\/ \u4f7f\u7528\u4f8b\n    public static void Example() {\n        var logDelegate = GetCachedDelegate&lt;Action&lt;string&gt;&gt;(\"log\",\n            () =&gt; message =&gt; Console.WriteLine(message));\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-30\">3. <strong>\u30e1\u30bd\u30c3\u30c9\u30b0\u30eb\u30fc\u30d7\u306e\u6700\u9069\u5316<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class MethodGroupOptimization {\n    \/\/ \u975e\u63a8\u5968: \u30e9\u30e0\u30c0\u5f0f\u3092\u4f7f\u7528\uff08\u65b0\u3057\u3044\u30c7\u30ea\u30b2\u30fc\u30c8\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u304c\u4f5c\u6210\u3055\u308c\u308b\uff09\n    private readonly Action&lt;string&gt; _lambdaLogger = s =&gt; Console.WriteLine(s);\n\n    \/\/ \u63a8\u5968: \u30e1\u30bd\u30c3\u30c9\u30b0\u30eb\u30fc\u30d7\u3092\u4f7f\u7528\uff08\u65e2\u5b58\u306e\u30e1\u30bd\u30c3\u30c9\u53c2\u7167\u3092\u4f7f\u7528\uff09\n    private readonly Action&lt;string&gt; _methodGroupLogger = Console.WriteLine;\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-31\">Delegate\u306e\u5b9f\u884c\u901f\u5ea6\u3092\u5411\u4e0a\u3055\u305b\u308b\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-32\">1. <strong>\u30a4\u30f3\u30e9\u30a4\u30f3\u5c55\u958b\u306e\u6d3b\u7528<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class InlineOptimization {\n    \/\/ [MethodImpl(MethodImplOptions.AggressiveInlining)]\u5c5e\u6027\u3092\u4f7f\u7528\n    [MethodImpl(MethodImplOptions.AggressiveInlining)]\n    private static int FastOperation(int x, int y) =&gt; x + y;\n\n    public void ProcessData(int[] data) {\n        \/\/ \u5358\u7d14\u306a\u51e6\u7406\u306f\u30e9\u30e0\u30c0\u5f0f\u3088\u308a\u3082\u30a4\u30f3\u30e9\u30a4\u30f3\u5c55\u958b\u53ef\u80fd\u306a\u30e1\u30bd\u30c3\u30c9\u3092\u4f7f\u7528\n        Func&lt;int, int, int&gt; operation = FastOperation;\n\n        for (int i = 0; i &lt; data.Length - 1; i++) {\n            data[i] = operation(data[i], data[i + 1]);\n        }\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-33\">2. <strong>\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u6700\u9069\u5316<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class MulticastOptimization {\n    private static readonly List&lt;Action&lt;string&gt;&gt; _handlers \n        = new List&lt;Action&lt;string&gt;&gt;();\n\n    \/\/ \u975e\u63a8\u5968: \u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u52d5\u7684\u306a\u8ffd\u52a0\/\u524a\u9664\n    private static event Action&lt;string&gt; _events;\n\n    \/\/ \u63a8\u5968: \u30ea\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u7ba1\u7406\n    public static void AddHandler(Action&lt;string&gt; handler) {\n        _handlers.Add(handler);\n    }\n\n    public static void RemoveHandler(Action&lt;string&gt; handler) {\n        _handlers.Remove(handler);\n    }\n\n    public static void RaiseEvent(string message) {\n        foreach (var handler in _handlers.ToArray()) {\n            handler(message);\n        }\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-34\">3. <strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u4f8b<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class DelegatePerformanceBenchmark {\n    private static readonly Stopwatch _stopwatch = new Stopwatch();\n\n    public static void MeasurePerformance() {\n        const int iterations = 1000000;\n\n        \/\/ \u76f4\u63a5\u30e1\u30bd\u30c3\u30c9\u547c\u3073\u51fa\u3057\n        _stopwatch.Restart();\n        for (int i = 0; i &lt; iterations; i++) {\n            DirectMethod();\n        }\n        Console.WriteLine($\"Direct method: {_stopwatch.ElapsedMilliseconds}ms\");\n\n        \/\/ \u30c7\u30ea\u30b2\u30fc\u30c8\u7d4c\u7531\u306e\u547c\u3073\u51fa\u3057\n        Action delegateMethod = DirectMethod;\n        _stopwatch.Restart();\n        for (int i = 0; i &lt; iterations; i++) {\n            delegateMethod();\n        }\n        Console.WriteLine($\"Delegate method: {_stopwatch.ElapsedMilliseconds}ms\");\n\n        \/\/ \u30e9\u30e0\u30c0\u5f0f\u7d4c\u7531\u306e\u547c\u3073\u51fa\u3057\n        Action lambdaMethod = () =&gt; DirectMethod();\n        _stopwatch.Restart();\n        for (int i = 0; i &lt; iterations; i++) {\n            lambdaMethod();\n        }\n        Console.WriteLine($\"Lambda method: {_stopwatch.ElapsedMilliseconds}ms\");\n    }\n\n    private static void DirectMethod() { }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-35\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u306e\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n<div id=\"id-9c31a355-6f65-4624-90b7-720986d4aa58\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u6700\u9069\u5316\u9805\u76ee<\/th><th>\u52b9\u679c<\/th><th>\u9069\u7528\u30b7\u30fc\u30f3<\/th><\/tr><\/thead><tbody><tr><td>\u9759\u7684\u30e1\u30bd\u30c3\u30c9\u306e\u4f7f\u7528<\/td><td>\u30e1\u30e2\u30ea\u4f7f\u7528\u91cf\u306e\u524a\u6e1b<\/td><td>\u72b6\u614b\u3092\u6301\u305f\u306a\u3044\u51e6\u7406<\/td><\/tr><tr><td>\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u30ad\u30e3\u30c3\u30b7\u30e5<\/td><td>\u30a4\u30f3\u30b9\u30bf\u30f3\u30b9\u751f\u6210\u30b3\u30b9\u30c8\u306e\u524a\u6e1b<\/td><td>\u983b\u7e41\u306b\u4f7f\u7528\u3059\u308b\u30c7\u30ea\u30b2\u30fc\u30c8<\/td><\/tr><tr><td>\u30e1\u30bd\u30c3\u30c9\u30b0\u30eb\u30fc\u30d7\u306e\u6d3b\u7528<\/td><td>\u30e1\u30e2\u30ea\u5272\u308a\u5f53\u3066\u306e\u6700\u5c0f\u5316<\/td><td>\u30b7\u30f3\u30d7\u30eb\u306a\u51e6\u7406\u306e\u59d4\u8b72<\/td><\/tr><tr><td>\u30a4\u30f3\u30e9\u30a4\u30f3\u5c55\u958b<\/td><td>\u5b9f\u884c\u901f\u5ea6\u306e\u5411\u4e0a<\/td><td>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u30af\u30ea\u30c6\u30a3\u30ab\u30eb\u306a\u51e6\u7406<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u6700\u9069\u5316\u624b\u6cd5\u306f\u3001\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u306e\u8981\u4ef6\u3084\u5236\u7d04\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u9078\u629e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<br>\u904e\u5ea6\u306a\u6700\u9069\u5316\u306f\u53ef\u8aad\u6027\u3084\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u3092\u640d\u306a\u3046\u53ef\u80fd\u6027\u304c\u3042\u308b\u305f\u3081\u3001\u5b9f\u969b\u306e\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6e2c\u5b9a\u7d50\u679c\u306b\u57fa\u3065\u3044\u3066\u5224\u65ad\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-36\">Delegate\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u6ce8\u610f\u70b9<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-37\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u3050\u305f\u3081\u306e3\u3064\u306e\u5bfe\u7b56<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-38\">1. <strong>\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u9069\u5207\u306a\u89e3\u9664<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class EventPublisher {\n    public event EventHandler&lt;string&gt; MessageReceived;\n\n    public void PublishMessage(string message) {\n        MessageReceived?.Invoke(this, message);\n    }\n}\n\npublic class EventSubscriber : IDisposable {\n    private readonly EventPublisher _publisher;\n\n    public EventSubscriber(EventPublisher publisher) {\n        _publisher = publisher;\n        \/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u8cfc\u8aad\n        _publisher.MessageReceived += HandleMessage;\n    }\n\n    private void HandleMessage(object sender, string message) {\n        Console.WriteLine($\"Received: {message}\");\n    }\n\n    public void Dispose() {\n        \/\/ \u91cd\u8981: \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u89e3\u9664\u3092\u5fd8\u308c\u305a\u306b\u884c\u3046\n        _publisher.MessageReceived -= HandleMessage;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic void Example() {\n    var publisher = new EventPublisher();\n    using var subscriber = new EventSubscriber(publisher);\n    publisher.PublishMessage(\"Test\");\n} \/\/ using\u6587\u306b\u3088\u3063\u3066Dispose\u304c\u547c\u3070\u308c\u3001\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u304c\u89e3\u9664\u3055\u308c\u308b<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-39\">2. <strong>\u30af\u30ed\u30fc\u30b8\u30e3\u306b\u3088\u308b\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class ClosureExample {\n    private class LargeObject {\n        public byte[] Data = new byte[1000000]; \/\/ 1MB\n    }\n\n    \/\/ \u975e\u63a8\u5968: \u30af\u30ed\u30fc\u30b8\u30e3\u304c\u5927\u304d\u306a\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u3078\u306e\u53c2\u7167\u3092\u4fdd\u6301\n    public Action CreateLeakyDelegate() {\n        var largeObject = new LargeObject();\n        \/\/ \u30af\u30ed\u30fc\u30b8\u30e3\u304clargeObject\u3078\u306e\u53c2\u7167\u3092\u4fdd\u6301\u3057\u7d9a\u3051\u308b\n        return () =&gt; Console.WriteLine(largeObject.Data.Length);\n    }\n\n    \/\/ \u63a8\u5968: \u5fc5\u8981\u306a\u60c5\u5831\u306e\u307f\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\n    public Action CreateOptimizedDelegate() {\n        var dataLength = new LargeObject().Data.Length;\n        \/\/ \u5024\u306e\u307f\u3092\u30ad\u30e3\u30d7\u30c1\u30e3\u3057\u3001\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u5168\u4f53\u306f\u4fdd\u6301\u3057\u306a\u3044\n        return () =&gt; Console.WriteLine(dataLength);\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-40\">3. <strong>WeakReference\u306e\u6d3b\u7528<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class WeakDelegateHandler&lt;T&gt; where T : class {\n    private readonly WeakReference&lt;T&gt; _targetReference;\n    private readonly MethodInfo _method;\n\n    public WeakDelegateHandler(T target, MethodInfo method) {\n        _targetReference = new WeakReference&lt;T&gt;(target);\n        _method = method;\n    }\n\n    public bool TryInvoke(params object[] args) {\n        if (_targetReference.TryGetTarget(out var target)) {\n            _method.Invoke(target, args);\n            return true;\n        }\n        return false;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class WeakDelegateExample {\n    private readonly List&lt;WeakDelegateHandler&lt;object&gt;&gt; _handlers \n        = new List&lt;WeakDelegateHandler&lt;object&gt;&gt;();\n\n    public void AddHandler(object target, MethodInfo method) {\n        _handlers.Add(new WeakDelegateHandler&lt;object&gt;(target, method));\n    }\n\n    public void RaiseEvent(object arg) {\n        \/\/ \u7121\u52b9\u306b\u306a\u3063\u305f\u30cf\u30f3\u30c9\u30e9\u3092\u524a\u9664\u3057\u306a\u304c\u3089\u5b9f\u884c\n        _handlers.RemoveAll(handler =&gt; !handler.TryInvoke(arg));\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-41\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u5b89\u5168\u306a\u4f7f\u7528\u65b9\u6cd5<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-42\">1. <strong>\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u540c\u671f\u7684\u306a\u5b9f\u884c<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class ThreadSafeEventManager {\n    private readonly object _lockObject = new object();\n    private event Action&lt;string&gt; _handlers;\n\n    public void AddHandler(Action&lt;string&gt; handler) {\n        lock (_lockObject) {\n            _handlers += handler;\n        }\n    }\n\n    public void RemoveHandler(Action&lt;string&gt; handler) {\n        lock (_lockObject) {\n            _handlers -= handler;\n        }\n    }\n\n    public void RaiseEvent(string message) {\n        Action&lt;string&gt; handlers;\n        lock (_lockObject) {\n            handlers = _handlers;\n        }\n        \/\/ \u30b3\u30d4\u30fc\u3057\u305f\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u5b89\u5168\u306b\u5b9f\u884c\n        handlers?.Invoke(message);\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-43\">2. <strong>\u975e\u540c\u671f\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u5b89\u5168\u306a\u5b9f\u884c<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class AsyncEventManager {\n    private readonly List&lt;Func&lt;string, Task&gt;&gt; _asyncHandlers \n        = new List&lt;Func&lt;string, Task&gt;&gt;();\n    private readonly SemaphoreSlim _semaphore = new SemaphoreSlim(1);\n\n    public async Task AddHandlerAsync(Func&lt;string, Task&gt; handler) {\n        await _semaphore.WaitAsync();\n        try {\n            _asyncHandlers.Add(handler);\n        }\n        finally {\n            _semaphore.Release();\n        }\n    }\n\n    public async Task RaiseEventAsync(string message) {\n        List&lt;Func&lt;string, Task&gt;&gt; handlers;\n        await _semaphore.WaitAsync();\n        try {\n            handlers = new List&lt;Func&lt;string, Task&gt;&gt;(_asyncHandlers);\n        }\n        finally {\n            _semaphore.Release();\n        }\n\n        \/\/ \u5168\u3066\u306e\u30cf\u30f3\u30c9\u30e9\u3092\u4e26\u5217\u5b9f\u884c\n        var tasks = handlers.Select(h =&gt; h(message));\n        await Task.WhenAll(tasks);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class AsyncEventExample {\n    private readonly AsyncEventManager _eventManager = new AsyncEventManager();\n\n    public async Task RunExample() {\n        await _eventManager.AddHandlerAsync(async message =&gt; {\n            await Task.Delay(100);\n            Console.WriteLine($\"Handler 1: {message}\");\n        });\n\n        await _eventManager.AddHandlerAsync(async message =&gt; {\n            await Task.Delay(200);\n            Console.WriteLine($\"Handler 2: {message}\");\n        });\n\n        await _eventManager.RaiseEventAsync(\"Test Message\");\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-44\">3. <strong>\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u30ad\u30e3\u30c3\u30b7\u30e5\u306e\u5b9f\u88c5<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class ThreadSafeDelegateCache {\n    private readonly ConcurrentDictionary&lt;string, Delegate&gt; _cache \n        = new ConcurrentDictionary&lt;string, Delegate&gt;();\n\n    public TDelegate GetOrCreate&lt;TDelegate&gt;(string key, Func&lt;TDelegate&gt; factory) \n        where TDelegate : Delegate {\n        return (TDelegate)_cache.GetOrAdd(key, _ =&gt; factory());\n    }\n\n    \/\/ \u4f7f\u7528\u4f8b\n    public void Example() {\n        var handler = GetOrCreate(\"handler\",\n            () =&gt; new Action&lt;string&gt;(message =&gt; \n                Console.WriteLine($\"Handled: {message}\")));\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-45\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u30c7\u30ea\u30b2\u30fc\u30c8\u4f7f\u7528\u6642\u306e\u6ce8\u610f\u70b9\u307e\u3068\u3081<\/h3>\n\n\n<div id=\"id-d9d80b6e-7ddb-4e43-84e5-2abd84374a88\">\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><thead><tr><th>\u72b6\u6cc1<\/th><th>\u63a8\u5968\u3055\u308c\u308b\u5bfe\u7b56<\/th><th>\u7406\u7531<\/th><\/tr><\/thead><tbody><tr><td>\u30a4\u30d9\u30f3\u30c8\u767a\u706b<\/td><td>\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u30b3\u30d4\u30fc\u3092\u4f7f\u7528<\/td><td>\u5b9f\u884c\u4e2d\u306e\u30b3\u30ec\u30af\u30b7\u30e7\u30f3\u5909\u66f4\u3092\u9632\u3050<\/td><\/tr><tr><td>\u30cf\u30f3\u30c9\u30e9\u306e\u8ffd\u52a0\/\u524a\u9664<\/td><td>\u540c\u671f\u6a5f\u69cb\u306e\u4f7f\u7528<\/td><td>\u7af6\u5408\u72b6\u614b\u3092\u9632\u3050<\/td><\/tr><tr><td>\u975e\u540c\u671f\u51e6\u7406<\/td><td>Task\u30d9\u30fc\u30b9\u306eAPI\u8a2d\u8a08<\/td><td>\u9069\u5207\u306a\u975e\u540c\u671f\u51e6\u7406\u306e\u5b9f\u73fe<\/td><\/tr><tr><td>\u30ad\u30e3\u30c3\u30b7\u30e5<\/td><td>ConcurrentDictionary\u306e\u4f7f\u7528<\/td><td>\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306a\u64cd\u4f5c\u306e\u4fdd\u8a3c<\/td><\/tr><\/tbody><\/table><\/figure>\n<\/div>\n\n\n<p>\u3053\u308c\u3089\u306e\u6ce8\u610f\u70b9\u3092\u9069\u5207\u306b\u8003\u616e\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u304e\u3001\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u3082\u5b89\u5168\u306b\u52d5\u4f5c\u3059\u308b\u30b3\u30fc\u30c9\u3092\u5b9f\u88c5\u3067\u304d\u307e\u3059\u3002<br>\u7279\u306b\u5927\u898f\u6a21\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3067\u306f\u3001\u3053\u308c\u3089\u306e\u554f\u984c\u304c\u91cd\u8981\u306b\u306a\u3063\u3066\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-46\">C# Delegate\u306e\u6d3b\u7528\u4e8b\u4f8b\u3068\u5b9f\u88c5\u4f8b<\/h2>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-47\">\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-48\">1. <strong>\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306e\u5b9f\u88c5<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class PluginManager {\n    private readonly Dictionary&lt;string, Func&lt;IPlugin&gt;&gt; _pluginFactories \n        = new Dictionary&lt;string, Func&lt;IPlugin&gt;&gt;();\n\n    public void RegisterPlugin(string name, Func&lt;IPlugin&gt; factory) {\n        _pluginFactories[name] = factory;\n    }\n\n    public IPlugin CreatePlugin(string name) {\n        return _pluginFactories.TryGetValue(name, out var factory)\n            ? factory()\n            : null;\n    }\n}\n\npublic interface IPlugin {\n    string Name { get; }\n    void Execute();\n}\n\n\/\/ \u30d7\u30e9\u30b0\u30a4\u30f3\u5b9f\u88c5\u4f8b\npublic class LoggingPlugin : IPlugin {\n    public string Name =&gt; \"Logging\";\n\n    public void Execute() {\n        Console.WriteLine(\"Logging plugin executed\");\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class PluginExample {\n    public void ConfigurePlugins() {\n        var manager = new PluginManager();\n\n        \/\/ \u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u767b\u9332\n        manager.RegisterPlugin(\"logging\", () =&gt; new LoggingPlugin());\n\n        \/\/ \u30d7\u30e9\u30b0\u30a4\u30f3\u306e\u4f7f\u7528\n        var plugin = manager.CreatePlugin(\"logging\");\n        plugin?.Execute();\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-49\">2. <strong>\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u306e\u5b9f\u88c5<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class ValidationFramework&lt;T&gt; {\n    private readonly List&lt;Func&lt;T, ValidationResult&gt;&gt; _validators \n        = new List&lt;Func&lt;T, ValidationResult&gt;&gt;();\n\n    public void AddValidator(Func&lt;T, ValidationResult&gt; validator) {\n        _validators.Add(validator);\n    }\n\n    public ValidationResult Validate(T entity) {\n        var errors = new List&lt;string&gt;();\n\n        foreach (var validator in _validators) {\n            var result = validator(entity);\n            if (!result.IsValid) {\n                errors.AddRange(result.Errors);\n            }\n        }\n\n        return new ValidationResult(errors);\n    }\n}\n\npublic class ValidationResult {\n    public bool IsValid =&gt; !Errors.Any();\n    public List&lt;string&gt; Errors { get; }\n\n    public ValidationResult(List&lt;string&gt; errors) {\n        Errors = errors ?? new List&lt;string&gt;();\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class User {\n    public string Username { get; set; }\n    public string Email { get; set; }\n    public int Age { get; set; }\n}\n\npublic class UserValidation {\n    public ValidationFramework&lt;User&gt; CreateValidator() {\n        var validator = new ValidationFramework&lt;User&gt;();\n\n        \/\/ \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u30eb\u30fc\u30eb\u306e\u8ffd\u52a0\n        validator.AddValidator(user =&gt; {\n            var errors = new List&lt;string&gt;();\n\n            if (string.IsNullOrEmpty(user.Username)) {\n                errors.Add(\"Username is required\");\n            }\n\n            if (string.IsNullOrEmpty(user.Email) || !user.Email.Contains(\"@\")) {\n                errors.Add(\"Valid email is required\");\n            }\n\n            if (user.Age &lt; 18) {\n                errors.Add(\"User must be 18 or older\");\n            }\n\n            return new ValidationResult(errors);\n        });\n\n        return validator;\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-50\">\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3067\u5b66\u3076\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-51\">1. <strong>\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u5b9f\u884c\u30a8\u30f3\u30b8\u30f3\u306e\u5b9f\u88c5<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class WorkflowEngine {\n    private readonly Dictionary&lt;string, Func&lt;WorkflowContext, Task&gt;&gt; _activities \n        = new Dictionary&lt;string, Func&lt;WorkflowContext, Task&gt;&gt;();\n\n    public void RegisterActivity(string name, Func&lt;WorkflowContext, Task&gt; activity) {\n        _activities[name] = activity;\n    }\n\n    public async Task ExecuteWorkflowAsync(WorkflowDefinition workflow) {\n        var context = new WorkflowContext();\n\n        foreach (var activityName in workflow.Activities) {\n            if (_activities.TryGetValue(activityName, out var activity)) {\n                await activity(context);\n            }\n        }\n    }\n}\n\npublic class WorkflowContext {\n    public Dictionary&lt;string, object&gt; Data { get; } \n        = new Dictionary&lt;string, object&gt;();\n}\n\npublic class WorkflowDefinition {\n    public List&lt;string&gt; Activities { get; set; } = new List&lt;string&gt;();\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class WorkflowExample {\n    public async Task RunWorkflowAsync() {\n        var engine = new WorkflowEngine();\n\n        \/\/ \u30a2\u30af\u30c6\u30a3\u30d3\u30c6\u30a3\u306e\u767b\u9332\n        engine.RegisterActivity(\"validate\", async context =&gt; {\n            await Task.Delay(100); \/\/ \u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u51e6\u7406\n            Console.WriteLine(\"Validation completed\");\n        });\n\n        engine.RegisterActivity(\"process\", async context =&gt; {\n            await Task.Delay(200); \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\n            Console.WriteLine(\"Processing completed\");\n        });\n\n        engine.RegisterActivity(\"notify\", async context =&gt; {\n            await Task.Delay(100); \/\/ \u901a\u77e5\u51e6\u7406\n            Console.WriteLine(\"Notification sent\");\n        });\n\n        \/\/ \u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306e\u5b9f\u884c\n        var workflow = new WorkflowDefinition {\n            Activities = new List&lt;string&gt; { \"validate\", \"process\", \"notify\" }\n        };\n\n        await engine.ExecuteWorkflowAsync(workflow);\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-52\">2. <strong>\u30a4\u30d9\u30f3\u30c8\u30d9\u30fc\u30b9\u306e\u76e3\u8996\u30b7\u30b9\u30c6\u30e0\u306e\u5b9f\u88c5<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class MonitoringSystem {\n    private readonly Dictionary&lt;string, List&lt;Action&lt;MonitoringEvent&gt;&gt;&gt; _handlers \n        = new Dictionary&lt;string, List&lt;Action&lt;MonitoringEvent&gt;&gt;&gt;();\n\n    public void Subscribe(string eventType, Action&lt;MonitoringEvent&gt; handler) {\n        if (!_handlers.ContainsKey(eventType)) {\n            _handlers[eventType] = new List&lt;Action&lt;MonitoringEvent&gt;&gt;();\n        }\n        _handlers[eventType].Add(handler);\n    }\n\n    public void PublishEvent(string eventType, MonitoringEvent eventData) {\n        if (_handlers.TryGetValue(eventType, out var handlers)) {\n            foreach (var handler in handlers) {\n                handler(eventData);\n            }\n        }\n    }\n}\n\npublic class MonitoringEvent {\n    public DateTime Timestamp { get; set; }\n    public string Message { get; set; }\n    public EventSeverity Severity { get; set; }\n}\n\npublic enum EventSeverity {\n    Info,\n    Warning,\n    Error,\n    Critical\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class MonitoringExample {\n    public void ConfigureMonitoring() {\n        var monitor = new MonitoringSystem();\n\n        \/\/ \u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u30fc\u306e\u767b\u9332\n        monitor.Subscribe(\"system\", e =&gt; {\n            Console.WriteLine($\"System event: {e.Message} ({e.Severity})\");\n        });\n\n        monitor.Subscribe(\"security\", e =&gt; {\n            if (e.Severity &gt;= EventSeverity.Warning) {\n                Console.WriteLine($\"Security alert: {e.Message}\");\n            }\n        });\n\n        \/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u767a\u884c\n        monitor.PublishEvent(\"system\", new MonitoringEvent {\n            Timestamp = DateTime.Now,\n            Message = \"System startup completed\",\n            Severity = EventSeverity.Info\n        });\n\n        monitor.PublishEvent(\"security\", new MonitoringEvent {\n            Timestamp = DateTime.Now,\n            Message = \"Invalid login attempt detected\",\n            Severity = EventSeverity.Warning\n        });\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306f\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u4f7f\u7528\u3055\u308c\u308b\u53ef\u80fd\u6027\u304c\u9ad8\u3044\u3001\u5b9f\u8df5\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u3067\u3059\u3002\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u67d4\u8edf\u3067\u62e1\u5f35\u6027\u306e\u9ad8\u3044\u30b7\u30b9\u30c6\u30e0\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<br>\u7279\u306b\u3001\u30d7\u30e9\u30b0\u30a4\u30f3\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3001\u30d0\u30ea\u30c7\u30fc\u30b7\u30e7\u30f3\u3001\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u7ba1\u7406\u3001\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u306a\u3069\u306e\u5b9f\u88c5\u3067\u52b9\u679c\u3092\u767a\u63ee\u3057\u307e\u3059\u3002<br>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u57fa\u306b\u3001\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306e\u8981\u4ef6\u306b\u5408\u308f\u305b\u3066\u30ab\u30b9\u30bf\u30de\u30a4\u30ba\u3059\u308b\u3053\u3068\u3067\u3001\u4fdd\u5b88\u6027\u304c\u9ad8\u304f\u3001\u62e1\u5f35\u3057\u3084\u3059\u3044\u30b3\u30fc\u30c9\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-53\">Delegate\u306e\u307e\u3068\u3081<\/h2>\n\n\n\n<p>Delegate\u306f\u3001C#\u306b\u304a\u3051\u308b\u91cd\u8981\u306a\u8a00\u8a9e\u6a5f\u80fd\u306e\u4e00\u3064\u3067\u3042\u308a\u3001\u30b3\u30fc\u30c9\u306e\u758e\u7d50\u5408\u5316\u3084\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3001\u52d5\u7684\u306a\u632f\u308b\u821e\u3044\u306e\u5b9f\u73fe\u306b\u5927\u304d\u304f\u8ca2\u732e\u3057\u307e\u3059\u3002<br>\u672c\u8a18\u4e8b\u3067\u89e3\u8aac\u3057\u305f\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3084\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30f3\u30c6\u30ca\u30f3\u30b9\u6027\u304c\u9ad8\u304f\u3001\u62e1\u5f35\u6027\u306e\u3042\u308b\u5805\u7262\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<div class=\"wp-block-sgb-block-simple sgb-box-simple sgb-box-simple--title-normal sgb-box-simple--with-border\"><div style=\"background-color:var(--wp--preset--color--sango-main);color:#FFF\" class=\"sgb-box-simple__title\">\u3053\u306e\u8a18\u4e8b\u306e\u4e3b\u306a\u30dd\u30a4\u30f3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<p class=\"is-style-sango-paragraph-idea-alt\">Delegate\u3092\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30f3\u30dd\u30fc\u30cd\u30f3\u30c8\u9593\u306e\u758e\u7d50\u5408\u5316\u304c\u5b9f\u73fe\u3067\u304d\u3001\u4fdd\u5b88\u6027\u304c\u5411\u4e0a\u3059\u308b<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30de\u30eb\u30c1\u30ad\u30e3\u30b9\u30c8Delegate\u3084\u30b8\u30a7\u30cd\u30ea\u30c3\u30afDelegate\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u67d4\u8edf\u306a\u5b9f\u88c5\u304c\u53ef\u80fd<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3068\u30e1\u30e2\u30ea\u7ba1\u7406\u3092\u8003\u616e\u3057\u305fDelegate\u306e\u4f7f\u7528\u65b9\u6cd5\u304c\u91cd\u8981<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30a4\u30d9\u30f3\u30c8\u51e6\u7406\u3084\u30d7\u30e9\u30b0\u30a4\u30f3\u6a5f\u69cb\u306a\u3069\u3001\u5b9f\u969b\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u3067\u6d3b\u7528\u3067\u304d\u308b\u5177\u4f53\u7684\u306a\u30d1\u30bf\u30fc\u30f3\u304c\u591a\u6570\u5b58\u5728\u3059\u308b<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30de\u30eb\u30c1\u30b9\u30ec\u30c3\u30c9\u74b0\u5883\u3067\u306e\u9069\u5207\u306a\u4f7f\u7528\u65b9\u6cd5\u3092\u7406\u89e3\u3059\u308b\u3053\u3068\u3067\u3001\u5b89\u5168\u306a\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3067\u304d\u308b<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u6a19\u6e96\u30c7\u30ea\u30b2\u30fc\u30c8\uff08Action\u3001Func\u3001Predicate\uff09\u3092\u7a4d\u6975\u7684\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u304c\u5411\u4e0a\u3059\u308b<\/p>\n<\/div><\/div>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u8981\u7d20\u3092\u8a18\u4e8b\u306e\u5192\u982d\u3068\u672b\u5c3e\u306b\u914d\u7f6e\u3059\u308b\u3053\u3068\u3067\u3001\u8aad\u8005\u306f\u8a18\u4e8b\u306e\u5185\u5bb9\u3092\u52b9\u7387\u7684\u306b\u7406\u89e3\u3057\u3001\u5b9f\u8df5\u306b\u6d3b\u304b\u3059\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>## \u306f\u3058\u3081\u306b C#\u306eDelegate\u306f\u3001\u30e1\u30bd\u30c3\u30c9\u3092\u5909\u6570\u306e\u3088\u3046\u306b\u6271\u3048\u308b\u5f37\u529b\u306a\u6a5f\u80fd\u3067\u3059\u3002\u9069\u5207\u306b\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30b3\u30fc\u30c9\u306e\u67d4\u8edf\u6027\u3068\u518d\u5229\u7528\u6027\u304c\u5927\u304d\u304f\u5411\u4e0a\u3057\u3001\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002 \u672c\u8a18\u4e8b\u3067\u306f\u3001Delegat &#8230; <\/p>\n","protected":false},"author":1,"featured_media":2912,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,69,61],"tags":[],"class_list":{"0":"post-1911","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-csharp","8":"category-csharp-best-practice","9":"category-csharp-syntax"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1911","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=1911"}],"version-history":[{"count":13,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1911\/revisions"}],"predecessor-version":[{"id":2913,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/1911\/revisions\/2913"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/media\/2912"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=1911"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=1911"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=1911"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}