{"id":2017,"date":"2024-12-27T16:08:58","date_gmt":"2024-12-27T07:08:58","guid":{"rendered":"https:\/\/dexall.co.jp\/articles\/?p=2017"},"modified":"2025-03-24T08:48:57","modified_gmt":"2025-03-23T23:48:57","slug":"%e3%80%90%e5%ae%8c%e5%85%a8%e3%82%ac%e3%82%a4%e3%83%89%e3%80%91c-using%e3%82%b9%e3%83%86%e3%83%bc%e3%83%88%e3%83%a1%e3%83%b3%e3%83%88%e5%85%a5%e9%96%80-%e3%80%9c%e3%83%a1%e3%83%a2%e3%83%aa%e3%83%aa","status":"publish","type":"post","link":"https:\/\/dexall.co.jp\/articles\/?p=2017","title":{"rendered":"\u3010\u5b8c\u5168\u30ac\u30a4\u30c9\u3011C# using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u5165\u9580 \u301c\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u77e5\u3089\u305a\u306e\u30d7\u30ed\u30b3\u30fc\u30c0\u30fc\u306b\u306a\u308b7\u3064\u306e\u6975\u610f\u301c"},"content":{"rendered":"\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\">\u306f\u3058\u3081\u306b<\/a>  <\/li>  <li>    <a href=\"#i-1\">C# using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u306f\u4f55\u304b<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-2\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u89e3\u6c7a\u3059\u308b3\u3064\u306e\u554f\u984c<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-3\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-4\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-5\">\u5358\u4e00\u30ea\u30bd\u30fc\u30b9\u306e\u5236\u5fa1\u65b9\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-6\">\u8907\u6570\u30ea\u30bd\u30fc\u30b9\u306e\u540c\u6642\u5236\u5fa1\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-9\">using\u5ba3\u8a00\u306b\u3088\u308b\u7c21\u6f54\u306a\u8a18\u8ff0\u65b9\u6cd5<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-10\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-11\">IDisposable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9069\u5207\u306a\u5b9f\u88c5\u65b9\u6cd5<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-12\">\u30cd\u30b9\u30c8\u3092\u907f\u3051\u308b\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-15\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-16\">\u975e\u540c\u671f\u51e6\u7406\u3067\u306eusing\u6d3b\u7528\u6cd5<\/a>      <\/li>      <li>        <a href=\"#i-17\">\u30ab\u30b9\u30bf\u30e0\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u5b9f\u88c5\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-18\">\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-19\">\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u3068\u5bfe\u51e6\u6cd5<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-20\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u5f15\u304d\u8d77\u3053\u3059\u5178\u578b\u7684\u306a\u30df\u30b9<\/a>      <\/li>      <li>        <a href=\"#i-23\">\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-26\">\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3067\u30c1\u30a7\u30c3\u30af\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-29\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3068\u89e3\u8aac<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-30\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li>        <a href=\"#i-31\">\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-32\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306e\u6d3b\u7528\u4f8b<\/a>      <\/li>    <\/ul>  <\/li>  <li>    <a href=\"#i-33\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5c06\u6765\u3068\u767a\u5c55<\/a>  <\/li>  <li>    <a href=\"#i-34\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5c06\u6765\u3068\u767a\u5c55<\/a>    <ul class=\"menu_level_1\">      <li class=\"first\">        <a href=\"#i-35\">C# 8.0\u4ee5\u964d\u3067\u306e\u65b0\u6a5f\u80fd\u3068\u6539\u5584\u70b9<\/a>      <\/li>      <li>        <a href=\"#i-38\">\u30e2\u30c0\u30f3\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u624b\u6cd5\u306e\u30c8\u30ec\u30f3\u30c9<\/a>      <\/li>      <li>        <a href=\"#i-42\">\u958b\u767a\u8005\u304c\u6e96\u5099\u3059\u3079\u304d\u3053\u3068<\/a>      <\/li>      <li class=\"last\">        <a href=\"#i-45\">\u4eca\u5f8c\u306e\u767a\u5c55\u306b\u5411\u3051\u305f\u6e96\u5099<\/a>      <\/li>    <\/ul>  <\/li>  <li class=\"last\">    <a href=\"#i-46\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\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\">\u306f\u3058\u3081\u306b<\/h2>\n\n\n\n<p>C#\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62\u3068\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306f\u5e38\u306b\u91cd\u8981\u306a\u8ab2\u984c\u3067\u3059\u3002using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u3053\u306e\u8ab2\u984c\u306b\u5bfe\u3059\u308b\u5f37\u529b\u306a\u89e3\u6c7a\u7b56\u3092\u63d0\u4f9b\u3057\u307e\u3059\u3002<br>\u672c\u8a18\u4e8b\u3067\u306f\u3001using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u790e\u304b\u3089\u5fdc\u7528\u307e\u3067\u3001\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3068\u5171\u306b\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\">\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u57fa\u672c\u539f\u5247\u3068using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4ed5\u7d44\u307f<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u5358\u4e00\u30fb\u8907\u6570\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u7ba1\u7406\u624b\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u9632\u6b62\u306e\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\">\u975e\u540c\u671f\u51e6\u7406\u3067\u306e\u9069\u5207\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u3001\u30d5\u30a1\u30a4\u30eb\u3001\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u65b9\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u3088\u304f\u3042\u308b\u30df\u30b9\u3068\u305d\u306e\u5bfe\u51e6\u6cd5<\/p>\n\n\n\n<p class=\"is-style-sango-paragraph-idea-alt\">\u6700\u65b0\u306eC#\u30d0\u30fc\u30b8\u30e7\u30f3\u3067\u306e\u65b0\u6a5f\u80fd\u3068\u5c06\u6765\u306e\u5c55\u671b<\/p>\n<\/div><\/div>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-1\">C# using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3068\u306f\u4f55\u304b<\/h2>\n\n\n\n<p>C#\u958b\u767a\u306b\u304a\u3044\u3066\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u304e\u3001\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u3092\u9069\u5207\u306b\u884c\u3046\u3053\u3068\u306f\u975e\u5e38\u306b\u91cd\u8981\u3067\u3059\u3002using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u3053\u306e\u3088\u3046\u306a\u8ab2\u984c\u306b\u5bfe\u3059\u308b\u5f37\u529b\u306a\u89e3\u6c7a\u7b56\u3068\u3057\u3066\u63d0\u4f9b\u3055\u308c\u3066\u3044\u308b\u8a00\u8a9e\u6a5f\u80fd\u3067\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-2\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u304c\u89e3\u6c7a\u3059\u308b3\u3064\u306e\u554f\u984c<\/h3>\n\n\n\n<ol class=\"wp-block-list is-style-sango-list-stitch-blue\">\n<li><strong>\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\u5fd8\u308c\u306b\u3088\u308b\u30e1\u30e2\u30ea\u30ea\u30fc\u30af<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3084\u30d5\u30a1\u30a4\u30eb\u30cf\u30f3\u30c9\u30eb\u306a\u3069\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u9069\u5207\u306b\u89e3\u653e\u3055\u308c\u306a\u3044\u3053\u3068\u306b\u3088\u308b\u30e1\u30e2\u30ea\u30ea\u30fc\u30af<\/li>\n\n\n\n<li>try-finally\u30d6\u30ed\u30c3\u30af\u306e\u8a18\u8ff0\u6f0f\u308c\u306b\u3088\u308b\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u5931\u6557<\/li>\n\n\n\n<li>\u4f8b\u5916\u767a\u751f\u6642\u306e\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u6f0f\u308c<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5197\u9577\u306a\u30b3\u30fc\u30c9\u8a18\u8ff0<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u5f93\u6765\u306etry-finally\u30d1\u30bf\u30fc\u30f3\u3067\u306f\u3001\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u305f\u3081\u306e\u30dc\u30a4\u30e9\u30fc\u30d7\u30ec\u30fc\u30c8\u30b3\u30fc\u30c9\u304c\u5fc5\u8981<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6271\u3046\u5834\u5408\u306e\u30cd\u30b9\u30c8\u304c\u6df1\u304f\u306a\u308b\u554f\u984c<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u306e\u53ef\u8aad\u6027\u4f4e\u4e0b<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u4e00\u8cab\u6027\u6b20\u5982<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u958b\u767a\u8005\u306b\u3088\u3063\u3066\u7570\u306a\u308b\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u30d1\u30bf\u30fc\u30f3\u304c\u4f7f\u7528\u3055\u308c\u308b<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u30bf\u30a4\u30df\u30f3\u30b0\u304c\u4e0d\u660e\u78ba\u306b\u306a\u308a\u3084\u3059\u3044<\/li>\n\n\n\n<li>\u30c6\u30b9\u30c8\u3084\u30c7\u30d0\u30c3\u30b0\u304c\u56f0\u96e3<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-3\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u52d5\u4f5c\u306e\u4ed5\u7d44\u307f<\/h3>\n\n\n\n<p>using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001\u5185\u90e8\u7684\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306a\u51e6\u7406\u3092\u884c\u3063\u3066\u3044\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=\"\">\/\/ using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u8a18\u8ff0\nusing (var resource = new SomeResource())\n{\n    resource.DoSomething();\n}\n\n\/\/ \u4e0a\u8a18\u306f\u5185\u90e8\u7684\u306b\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u5c55\u958b\u3055\u308c\u308b\n{\n    var resource = new SomeResource();\n    try\n    {\n        resource.DoSomething();\n    }\n    finally\n    {\n        if (resource != null)\n        {\n            ((IDisposable)resource).Dispose();\n        }\n    }\n}<\/pre>\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\">\u91cd\u8981\u306a\u52d5\u4f5c\u30dd\u30a4\u30f3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\">\n<li><strong>IDisposable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u5b9f\u88c5\u78ba\u8a8d<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3067\u4f7f\u7528\u3055\u308c\u308b\u30aa\u30d6\u30b8\u30a7\u30af\u30c8\u306f\u3001IDisposable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059<\/li>\n\n\n\n<li>\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30c1\u30a7\u30c3\u30af\u304c\u884c\u308f\u308c\u3001\u5b9f\u88c5\u3055\u308c\u3066\u3044\u306a\u3044\u5834\u5408\u306f\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u3068\u306a\u308a\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u81ea\u52d5\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u89e3\u653e<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u30b9\u30b3\u30fc\u30d7\u3092\u629c\u3051\u308b\u3068\u81ea\u52d5\u7684\u306bDispose\u30e1\u30bd\u30c3\u30c9\u304c\u547c\u3073\u51fa\u3055\u308c\u307e\u3059<\/li>\n\n\n\n<li>\u4f8b\u5916\u767a\u751f\u6642\u3067\u3082\u78ba\u5b9f\u306b\u30ea\u30bd\u30fc\u30b9\u304c\u89e3\u653e\u3055\u308c\u307e\u3059<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30b9\u30b3\u30fc\u30d7\u30d9\u30fc\u30b9\u306e\u5236\u5fa1<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u6ce2\u62ec\u5f27\u3067\u56f2\u307e\u308c\u305f\u30d6\u30ed\u30c3\u30af\u5185\u3067\u306e\u307f\u30ea\u30bd\u30fc\u30b9\u304c\u6709\u52b9<\/li>\n\n\n\n<li>\u30b9\u30b3\u30fc\u30d7\u3092\u629c\u3051\u308b\u3068\u5373\u5ea7\u306b\u30ea\u30bd\u30fc\u30b9\u304c\u89e3\u653e\u3055\u308c\u308b<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p>\u3053\u306e\u4ed5\u7d44\u307f\u306b\u3088\u308a\u3001\u958b\u767a\u8005\u306f\u660e\u793a\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u5fc5\u8981\u304c\u306a\u304f\u3001\u3088\u308a\u5b89\u5168\u3067\u52b9\u7387\u7684\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u304c\u53ef\u80fd\u3068\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-4\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u57fa\u672c\u7684\u306a\u4f7f\u3044\u65b9<\/h2>\n\n\n\n<p>using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5b9f\u8df5\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u3001\u5177\u4f53\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3092\u4ea4\u3048\u306a\u304c\u3089\u8aac\u660e\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-5\">\u5358\u4e00\u30ea\u30bd\u30fc\u30b9\u306e\u5236\u5fa1\u65b9\u6cd5<\/h3>\n\n\n\n<p>\u6700\u3082\u57fa\u672c\u7684\u306ausing\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u4f7f\u7528\u65b9\u6cd5\u306f\u3001\u5358\u4e00\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u5236\u5fa1\u3059\u308b\u5834\u5408\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=\"\">\/\/ \u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u306e\u57fa\u672c\u7684\u306a\u4f8b\npublic void WriteToFile(string content, string filePath)\n{\n    \/\/ StreamWriter\u306fIDisposable\u3092\u5b9f\u88c5\u3057\u3066\u3044\u308b\u305f\u3081\u3001using\u3067\u5236\u5fa1\u53ef\u80fd\n    using (StreamWriter writer = new StreamWriter(filePath))\n    {\n        writer.WriteLine(content);\n        \/\/ \u30d6\u30ed\u30c3\u30af\u3092\u629c\u3051\u308b\u3068\u81ea\u52d5\u7684\u306bDispose\u304c\u547c\u3070\u308c\u308b\n    }\n}<\/pre>\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\">\u57fa\u672c\u7684\u306a\u4f8b\u306e\u6ce8\u76ee\u70b9<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ul class=\"wp-block-list is-style-sango-list-check\">\n<li>\u30ea\u30bd\u30fc\u30b9\uff08StreamWriter\uff09\u306e\u5ba3\u8a00\u3092using\u6587\u306e\u62ec\u5f27\u5185\u3067\u884c\u3046<\/li>\n\n\n\n<li>\u30d6\u30ed\u30c3\u30af\u5185\u3067\u30ea\u30bd\u30fc\u30b9\u3092\u4f7f\u7528<\/li>\n\n\n\n<li>\u30d6\u30ed\u30c3\u30af\u3092\u629c\u3051\u308b\u3068\u81ea\u52d5\u7684\u306b\u30ea\u30bd\u30fc\u30b9\u304c\u89e3\u653e\u3055\u308c\u308b<\/li>\n<\/ul>\n<\/div><\/div>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-6\">\u8907\u6570\u30ea\u30bd\u30fc\u30b9\u306e\u540c\u6642\u5236\u5fa1\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6271\u3046\u5834\u5408\u3001\u4ee5\u4e0b\u306e2\u3064\u306e\u65b9\u6cd5\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-7\">1. <strong>\u8907\u6570\u306eusing\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u30cd\u30b9\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 void CopyFileContent(string sourcePath, string destinationPath)\n{\n    using (StreamReader reader = new StreamReader(sourcePath))\n    {\n        using (StreamWriter writer = new StreamWriter(destinationPath))\n        {\n            string line;\n            while ((line = reader.ReadLine()) != null)\n            {\n                writer.WriteLine(line);\n            }\n        }\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-8\">2. <strong>C# 8.0\u4ee5\u964d\u3067\u306e\u8907\u6570\u30ea\u30bd\u30fc\u30b9\u306e\u540c\u6642\u5ba3\u8a00<\/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 void CopyFileContentModern(string sourcePath, string destinationPath)\n{\n    using StreamReader reader = new StreamReader(sourcePath);\n    using StreamWriter writer = new StreamWriter(destinationPath);\n    string line;\n    while ((line = reader.ReadLine()) != null)\n    {\n        writer.WriteLine(line);\n    }\n    \/\/ \u30e1\u30bd\u30c3\u30c9\u306e\u7d42\u308f\u308a\u3067\u81ea\u52d5\u7684\u306b\u4e21\u65b9\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u89e3\u653e\u3055\u308c\u308b\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-9\">using\u5ba3\u8a00\u306b\u3088\u308b\u7c21\u6f54\u306a\u8a18\u8ff0\u65b9\u6cd5<\/h3>\n\n\n\n<p>C# 8.0\u3067\u5c0e\u5165\u3055\u308c\u305fusing\u5ba3\u8a00\u3092\u4f7f\u7528\u3059\u308b\u3068\u3001\u3088\u308a\u7c21\u6f54\u306a\u30b3\u30fc\u30c9\u304c\u66f8\u3051\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=\"\">\/\/ \u5f93\u6765\u306e\u65b9\u6cd5\npublic void TraditionalMethod()\n{\n    using (var connection = new SqlConnection(connectionString))\n    {\n        connection.Open();\n        \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\n    }\n}\n\n\/\/ using\u5ba3\u8a00\u3092\u4f7f\u7528\u3057\u305f\u65b9\u6cd5\npublic void ModernMethod()\n{\n    using var connection = new SqlConnection(connectionString);\n    connection.Open();\n    \/\/ \u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u64cd\u4f5c\n    \/\/ \u30e1\u30bd\u30c3\u30c9\u30b9\u30b3\u30fc\u30d7\u306e\u7d42\u308f\u308a\u3067\u81ea\u52d5\u7684\u306b\u89e3\u653e\n}<\/pre>\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\">using\u5ba3\u8a00\u306e\u30e1\u30ea\u30c3\u30c8<\/div><div class=\"sgb-box-simple__body\" style=\"border-color:var(--wp--preset--color--sango-main);background-color:#FFF\">\n<ol class=\"wp-block-list\">\n<li>\u30b3\u30fc\u30c9\u306e\u7c21\u6f54\u3055\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u6ce2\u62ec\u5f27\u306b\u3088\u308b\u8ffd\u52a0\u306e\u30a4\u30f3\u30c7\u30f3\u30c8\u304c\u4e0d\u8981<\/li>\n\n\n\n<li>\u3088\u308a\u8aad\u307f\u3084\u3059\u3044\u30b3\u30fc\u30c9\u69cb\u9020<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u30b9\u30b3\u30fc\u30d7\u306e\u660e\u78ba\u3055\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u30e1\u30bd\u30c3\u30c9\u30b9\u30b3\u30fc\u30d7\u3068\u540c\u3058\u7bc4\u56f2\u3067\u30ea\u30bd\u30fc\u30b9\u304c\u6709\u52b9<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u5bff\u547d\u304c\u30e1\u30bd\u30c3\u30c9\u306e\u7d42\u308f\u308a\u307e\u3067\u3068\u660e\u78ba<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li>\u67d4\u8edf\u306a\u5236\u5fa1\u30d5\u30ed\u30fc\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u6761\u4ef6\u5206\u5c90\u3084\u30eb\u30fc\u30d7\u5185\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u5236\u5fa1\u304c\u5bb9\u6613<\/li>\n\n\n\n<li>\u65e9\u671f\u30ea\u30bf\u30fc\u30f3\u306a\u3069\u306e\u5834\u5408\u3067\u3082\u9069\u5207\u306b\u30ea\u30bd\u30fc\u30b9\u304c\u89e3\u653e<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d1\u30bf\u30fc\u30f3\u3092\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u30af\u30ea\u30fc\u30f3\u3067\u4fdd\u5b88\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u304c\u66f8\u3051\u308b\u3088\u3046\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-10\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h2>\n\n\n\n<p>\u9069\u5207\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u305f\u3081\u306b\u3001using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u969b\u306e\u63a8\u5968\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-11\">IDisposable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u9069\u5207\u306a\u5b9f\u88c5\u65b9\u6cd5<\/h3>\n\n\n\n<p>IDisposable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u5b9f\u88c5\u3059\u308b\u969b\u306f\u3001Dispose\u30d1\u30bf\u30fc\u30f3\u306b\u5f93\u3046\u3053\u3068\u304c\u63a8\u5968\u3055\u308c\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 ResourceManager : IDisposable\n{\n    private bool disposed = false;\n    private IntPtr nativeResource;\n    private ManagedResource managedResource;\n\n    \/\/ \u30de\u30cd\u30fc\u30b8\u30c9\u30ea\u30bd\u30fc\u30b9\u3068\u30a2\u30f3\u30de\u30cd\u30fc\u30b8\u30c9\u30ea\u30bd\u30fc\u30b9\u3092\u89e3\u653e\u3059\u308b\u30d1\u30d6\u30ea\u30c3\u30af\u30e1\u30bd\u30c3\u30c9\n    public void Dispose()\n    {\n        Dispose(true);\n        GC.SuppressFinalize(this);\n    }\n\n    \/\/ \u5b9f\u969b\u306e\u89e3\u653e\u51e6\u7406\u3092\u884c\u3046\u30d7\u30ed\u30c6\u30af\u30c6\u30c3\u30c9\u30e1\u30bd\u30c3\u30c9\n    protected virtual void Dispose(bool disposing)\n    {\n        if (!disposed)\n        {\n            if (disposing)\n            {\n                \/\/ \u30de\u30cd\u30fc\u30b8\u30c9\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\n                if (managedResource != null)\n                {\n                    managedResource.Dispose();\n                    managedResource = null;\n                }\n            }\n\n            \/\/ \u30a2\u30f3\u30de\u30cd\u30fc\u30b8\u30c9\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\n            if (nativeResource != IntPtr.Zero)\n            {\n                FreeNativeResource(nativeResource);\n                nativeResource = IntPtr.Zero;\n            }\n\n            disposed = true;\n        }\n    }\n\n    \/\/ \u30d5\u30a1\u30a4\u30ca\u30e9\u30a4\u30b6\n    ~ResourceManager()\n    {\n        Dispose(false);\n    }\n\n    \/\/ \u30a2\u30f3\u30de\u30cd\u30fc\u30b8\u30c9\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u7528\u306e\u4eee\u60f3\u30e1\u30bd\u30c3\u30c9\n    protected virtual void FreeNativeResource(IntPtr nativeResource)\n    {\n        \/\/ \u30a2\u30f3\u30de\u30cd\u30fc\u30b8\u30c9\u30ea\u30bd\u30fc\u30b9\u306e\u89e3\u653e\u51e6\u7406\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-12\">\u30cd\u30b9\u30c8\u3092\u907f\u3051\u308b\u305f\u3081\u306e\u30c6\u30af\u30cb\u30c3\u30af<\/h3>\n\n\n\n<p>\u8907\u96d1\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u3092\u884c\u3046\u969b\u306e\u30cd\u30b9\u30c8\u3092\u6e1b\u3089\u3059\u30c6\u30af\u30cb\u30c3\u30af\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-13\">1. <strong>Using\u5ba3\u8a00\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 async Task ProcessMultipleResourcesAsync()\n{\n    \/\/ \u30cd\u30b9\u30c8\u3092\u907f\u3051\u305f\u8a18\u8ff0\n    using var resource1 = new Resource1();\n    using var resource2 = new Resource2();\n    using var resource3 = new Resource3();\n\n    await ProcessResourcesAsync(resource1, resource2, resource3);\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-14\">2. <strong>\u30d5\u30a1\u30af\u30c8\u30ea\u30e1\u30bd\u30c3\u30c9\u30d1\u30bf\u30fc\u30f3\u306e\u5229\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 ResourceFactory : IDisposable\n{\n    private readonly List&lt;IDisposable&gt; resources = new List&lt;IDisposable&gt;();\n\n    public T CreateResource&lt;T&gt;() where T : IDisposable, new()\n    {\n        var resource = new T();\n        resources.Add(resource);\n        return resource;\n    }\n\n    public void Dispose()\n    {\n        foreach (var resource in resources)\n        {\n            resource.Dispose();\n        }\n        resources.Clear();\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic void ProcessWithFactory()\n{\n    using var factory = new ResourceFactory();\n    var resource1 = factory.CreateResource&lt;Resource1&gt;();\n    var resource2 = factory.CreateResource&lt;Resource2&gt;();\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\n    \/\/ factory\u306eDispose\u3067\u5168\u3066\u306e\u30ea\u30bd\u30fc\u30b9\u304c\u89e3\u653e\u3055\u308c\u308b\n}<\/pre>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u9069\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-15\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af<\/h2>\n\n\n\n<p>\u3088\u308a\u9ad8\u5ea6\u306a\u30b7\u30ca\u30ea\u30aa\u3067\u306eusing\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u6d3b\u7528\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-16\">\u975e\u540c\u671f\u51e6\u7406\u3067\u306eusing\u6d3b\u7528\u6cd5<\/h3>\n\n\n\n<p>C#\u3067\u306f<code>IAsyncDisposable<\/code>\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u3092\u4f7f\u7528\u3057\u3066\u3001\u975e\u540c\u671f\u306e\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u3092\u5b9f\u88c5\u3067\u304d\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 AsyncResourceManager : IAsyncDisposable\n{\n    private bool disposed = false;\n    private DbConnection connection;\n\n    public AsyncResourceManager(string connectionString)\n    {\n        connection = new SqlConnection(connectionString);\n    }\n\n    public async ValueTask DisposeAsync()\n    {\n        if (!disposed)\n        {\n            if (connection != null)\n            {\n                await connection.DisposeAsync();\n                connection = null;\n            }\n            disposed = true;\n        }\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic async Task ProcessDataAsync()\n{\n    await using var resource = new AsyncResourceManager(connectionString);\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u975e\u540c\u671f\u64cd\u4f5c\n    await resource.ProcessAsync();\n    \/\/ \u30e1\u30bd\u30c3\u30c9\u7d42\u4e86\u6642\u306b\u81ea\u52d5\u7684\u306b\u975e\u540c\u671f\u3067Dispose\u3055\u308c\u308b\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-17\">\u30ab\u30b9\u30bf\u30e0\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u5b9f\u88c5\u4f8b<\/h3>\n\n\n\n<p>\u7279\u6b8a\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u304c\u5fc5\u8981\u306a\u5834\u5408\u306e\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u3092\u793a\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=\"\">\/\/ \u30ab\u30b9\u30bf\u30e0\u30b9\u30b3\u30fc\u30d7\u3092\u5b9f\u73fe\u3059\u308b\u30ea\u30bd\u30fc\u30b9\u30de\u30cd\u30fc\u30b8\u30e3\u30fc\npublic class ScopedResourceManager&lt;T&gt; : IDisposable\n{\n    private readonly T resource;\n    private readonly Action&lt;T&gt; onDispose;\n\n    public ScopedResourceManager(T resource, Action&lt;T&gt; onDispose)\n    {\n        this.resource = resource;\n        this.onDispose = onDispose;\n    }\n\n    public T Resource =&gt; resource;\n\n    public void Dispose()\n    {\n        onDispose(resource);\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class CustomCache\n{\n    private readonly Dictionary&lt;string, object&gt; cache = new();\n    private readonly object lockObject = new();\n\n    public IDisposable LockResource()\n    {\n        Monitor.Enter(lockObject);\n        return new ScopedResourceManager&lt;object&gt;(\n            lockObject,\n            resource =&gt; Monitor.Exit(resource)\n        );\n    }\n\n    public void UpdateCache(string key, object value)\n    {\n        using (LockResource())\n        {\n            cache[key] = value;\n        } \/\/ \u81ea\u52d5\u7684\u306b\u30ed\u30c3\u30af\u304c\u89e3\u653e\u3055\u308c\u308b\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-18\">\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/h3>\n\n\n\n<p>\u4f8b\u5916\u51e6\u7406\u3092\u542b\u3080\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u9ad8\u5ea6\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u793a\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 ResourceWithRetry : IDisposable\n{\n    private readonly IDisposable resource;\n    private readonly int maxRetries;\n    private bool disposed = false;\n\n    public ResourceWithRetry(Func&lt;IDisposable&gt; resourceFactory, int maxRetries = 3)\n    {\n        this.maxRetries = maxRetries;\n        this.resource = CreateWithRetry(resourceFactory);\n    }\n\n    private T ExecuteWithRetry&lt;T&gt;(Func&lt;T&gt; action)\n    {\n        int attempts = 0;\n        while (attempts &lt; maxRetries)\n        {\n            try\n            {\n                return action();\n            }\n            catch (Exception ex) when (attempts &lt; maxRetries - 1)\n            {\n                attempts++;\n                Thread.Sleep(100 * attempts); \/\/ \u6307\u6570\u30d0\u30c3\u30af\u30aa\u30d5\n                \/\/ \u30ed\u30b0\u8a18\u9332\u3084\u30a8\u30e9\u30fc\u901a\u77e5\n                Console.WriteLine($\"Retry attempt {attempts}: {ex.Message}\");\n            }\n        }\n        return action(); \/\/ \u6700\u5f8c\u306e\u8a66\u884c\n    }\n\n    private IDisposable CreateWithRetry(Func&lt;IDisposable&gt; factory)\n    {\n        return ExecuteWithRetry(() =&gt; factory());\n    }\n\n    public void Dispose()\n    {\n        if (!disposed)\n        {\n            ExecuteWithRetry(() =&gt; {\n                resource?.Dispose();\n                return true;\n            });\n            disposed = true;\n        }\n    }\n}\n\n\/\/ \u5b9f\u88c5\u4f8b\npublic class RetryableFileOperation\n{\n    public void ProcessFile(string filePath)\n    {\n        using var retryableResource = new ResourceWithRetry(() =&gt;\n            new StreamWriter(filePath));\n\n        try\n        {\n            \/\/ \u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\n        }\n        catch (Exception ex)\n        {\n            \/\/ \u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\n            throw new ResourceOperationException(\"File operation failed\", ex);\n        }\n    }\n}<\/pre>\n\n\n\n<p>\u3053\u306e\u3088\u3046\u306a\u30d1\u30bf\u30fc\u30f3\u3092\u6d3b\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u5805\u7262\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u304c\u5b9f\u73fe\u3067\u304d\u307e\u3059\u3002\u7279\u306b\u4ee5\u4e0b\u306e\u70b9\u306b\u6ce8\u610f\u3057\u3066\u5b9f\u88c5\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<ol class=\"wp-block-list is-style-sango-list-stitch-orange\">\n<li><strong>\u4f8b\u5916\u306e\u9069\u5207\u306a\u4f1d\u64ad<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-check\">\n<li>\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u6642\u306e\u4f8b\u5916\u306f\u9069\u5207\u306b\u30e9\u30c3\u30d7\u3057\u3066\u4f1d\u64ad<\/li>\n\n\n\n<li>\u5143\u306e\u4f8b\u5916\u60c5\u5831\u3092\u4fdd\u6301<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30ea\u30c8\u30e9\u30a4\u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-check\">\n<li>\u4e00\u6642\u7684\u306a\u969c\u5bb3\u306b\u5bfe\u3059\u308b\u8010\u6027<\/li>\n\n\n\n<li>\u6307\u6570\u30d0\u30c3\u30af\u30aa\u30d5\u306a\u3069\u306e\u9069\u5207\u306a\u5f85\u6a5f\u6226\u7565<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u975e\u540c\u671f\u64cd\u4f5c\u306e\u8003\u616e<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-check\">\n<li>\u975e\u540c\u671f\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u3067\u306e\u9069\u5207\u306a\u51e6\u7406<\/li>\n\n\n\n<li>\u30c7\u30c3\u30c9\u30ed\u30c3\u30af\u9632\u6b62\u306e\u914d\u616e<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5fdc\u7528\u30c6\u30af\u30cb\u30c3\u30af\u3092\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306b\u4f7f\u3044\u5206\u3051\u308b\u3053\u3068\u3067\u3001\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u69cb\u7bc9\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-19\">\u3088\u304f\u3042\u308b\u9593\u9055\u3044\u3068\u5bfe\u51e6\u6cd5<\/h2>\n\n\n\n<p>using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u3092\u4f7f\u7528\u3059\u308b\u969b\u306b\u3088\u304f\u767a\u751f\u3059\u308b\u554f\u984c\u3068\u305d\u306e\u89e3\u6c7a\u65b9\u6cd5\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-20\">\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u5f15\u304d\u8d77\u3053\u3059\u5178\u578b\u7684\u306a\u30df\u30b9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-21\">1. <strong>Dispose\u306e\u4e8c\u91cd\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=\"\">\/\/ \u60aa\u3044\u4f8b\npublic class WrongImplementation : IDisposable\n{\n    private FileStream stream;\n\n    public void Dispose()\n    {\n        stream.Dispose(); \/\/ \u76f4\u63a5Dispose\u3092\u547c\u3073\u51fa\u3057\u3066\u3044\u308b\n    }\n\n    ~WrongImplementation()\n    {\n        stream.Dispose(); \/\/ \u30d5\u30a1\u30a4\u30ca\u30e9\u30a4\u30b6\u3067\u3082\u540c\u3058\u30ea\u30bd\u30fc\u30b9\u3092Dispose\n    }\n}\n\n\/\/ \u6b63\u3057\u3044\u5b9f\u88c5\npublic class CorrectImplementation : IDisposable\n{\n    private bool disposed = false;\n    private FileStream stream;\n\n    public void Dispose()\n    {\n        Dispose(true);\n        GC.SuppressFinalize(this);\n    }\n\n    protected virtual void Dispose(bool disposing)\n    {\n        if (!disposed)\n        {\n            if (disposing)\n            {\n                stream?.Dispose();\n            }\n            disposed = true;\n        }\n    }\n\n    ~CorrectImplementation()\n    {\n        Dispose(false);\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-22\">2. <strong>\u30ea\u30bd\u30fc\u30b9\u306e\u65e9\u671f\u89e3\u653e<\/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=\"\">\/\/ \u60aa\u3044\u4f8b\npublic class ResourceLeakExample\n{\n    private SqlConnection connection;\n\n    public void ProcessData()\n    {\n        using (connection = new SqlConnection(connectionString))\n        {\n            connection.Open();\n            \/\/ \u51e6\u7406\n        } \/\/ \u3053\u3053\u3067Dispose\u3055\u308c\u308b\n    }\n\n    public void LateUse()\n    {\n        connection.ExecuteCommand(); \/\/ NullReferenceException\u767a\u751f\n    }\n}\n\n\/\/ \u6b63\u3057\u3044\u4f8b\npublic class ResourceManagementExample\n{\n    private readonly string connectionString;\n\n    public void ProcessData()\n    {\n        using var connection = new SqlConnection(connectionString);\n        connection.Open();\n        \/\/ \u51e6\u7406\u306f\u3053\u306e\u30e1\u30bd\u30c3\u30c9\u5185\u3067\u5b8c\u7d50\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-23\">\u30c7\u30d0\u30c3\u30b0\u6642\u306e\u6ce8\u610f\u70b9\u3068\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-24\">1. <strong>\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u78ba\u8a8d\u65b9\u6cd5<\/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 DebugResourceTracker : IDisposable\n{\n    private readonly string resourceName;\n    private readonly Stopwatch lifetime;\n\n    public DebugResourceTracker(string name)\n    {\n        resourceName = name;\n        lifetime = Stopwatch.StartNew();\n        Debug.WriteLine($\"Resource {resourceName} created\");\n    }\n\n    public void Dispose()\n    {\n        lifetime.Stop();\n        Debug.WriteLine($\"Resource {resourceName} disposed after {lifetime.ElapsedMilliseconds}ms\");\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic void DebugResourceUsage()\n{\n    using var tracker = new DebugResourceTracker(\"DatabaseConnection\");\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\n    Thread.Sleep(1000); \/\/ \u51e6\u7406\u3092\u30b7\u30df\u30e5\u30ec\u30fc\u30c8\n} \/\/ \u51fa\u529b: \"Resource DatabaseConnection disposed after 1000ms\"<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-25\">2. <strong>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u691c\u51fa<\/strong><\/h4>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"csharp\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public class LeakDetector\n{\n    private static readonly ConcurrentDictionary&lt;string, WeakReference&gt; activeResources \n        = new ConcurrentDictionary&lt;string, WeakReference&gt;();\n\n    public static void RegisterResource(string id, object resource)\n    {\n        activeResources[id] = new WeakReference(resource);\n    }\n\n    public static void PrintActiveResources()\n    {\n        foreach (var kvp in activeResources)\n        {\n            if (kvp.Value.IsAlive)\n            {\n                Debug.WriteLine($\"Resource {kvp.Key} is still alive\");\n            }\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-26\">\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u3067\u30c1\u30a7\u30c3\u30af\u3059\u3079\u304d\u30dd\u30a4\u30f3\u30c8<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-27\">1. <strong>IDisposable\u306e\u5b9f\u88c5\u30c1\u30a7\u30c3\u30af<\/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 static class DisposableChecker\n{\n    public static bool ValidateDisposableImplementation(Type type)\n    {\n        \/\/ IDisposable\u306e\u5b9f\u88c5\u30c1\u30a7\u30c3\u30af\n        if (!typeof(IDisposable).IsAssignableFrom(type))\n            return false;\n\n        \/\/ Dispose\u30e1\u30bd\u30c3\u30c9\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\n        var disposeMethod = type.GetMethod(\"Dispose\", \n            BindingFlags.Public | BindingFlags.Instance);\n        if (disposeMethod == null)\n            return false;\n\n        \/\/ \u30d7\u30ed\u30c6\u30af\u30c6\u30c3\u30c9Dispose\u306e\u5b58\u5728\u30c1\u30a7\u30c3\u30af\n        var protectedDispose = type.GetMethod(\"Dispose\",\n            BindingFlags.NonPublic | BindingFlags.Instance,\n            null,\n            new[] { typeof(bool) },\n            null);\n\n        return protectedDispose != null;\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic void ValidateTypes()\n{\n    var types = Assembly.GetExecutingAssembly().GetTypes()\n        .Where(t =&gt; typeof(IDisposable).IsAssignableFrom(t));\n\n    foreach (var type in types)\n    {\n        if (!DisposableChecker.ValidateDisposableImplementation(type))\n        {\n            Debug.WriteLine($\"Type {type.Name} has incorrect IDisposable implementation\");\n        }\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-28\">\u3053\u308c\u3089\u306e\u554f\u984c\u306b\u5bfe\u3059\u308b\u4e3b\u306a\u5bfe\u7b56<\/h4>\n\n\n\n<ol class=\"wp-block-list\">\n<li><strong>\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u898f\u7d04\u306e\u5fb9\u5e95<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>Dispose\u30d1\u30bf\u30fc\u30f3\u306e\u6b63\u3057\u3044\u5b9f\u88c5\u3092\u5f37\u5236<\/li>\n\n\n\n<li>\u30b3\u30fc\u30c9\u30ec\u30d3\u30e5\u30fc\u30c1\u30a7\u30c3\u30af\u30ea\u30b9\u30c8\u306e\u6d3b\u7528<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u9759\u7684\u89e3\u6790\u30c4\u30fc\u30eb\u306e\u5229\u7528<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>RoslynAnalyzers\u306e\u5c0e\u5165<\/li>\n\n\n\n<li>\u30ab\u30b9\u30bf\u30e0\u89e3\u6790\u30eb\u30fc\u30eb\u306e\u4f5c\u6210<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30e6\u30cb\u30c3\u30c8\u30c6\u30b9\u30c8\u306e\u5145\u5b9f<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u30c6\u30b9\u30c8<\/li>\n\n\n\n<li>\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u81ea\u52d5\u691c\u51fa<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5bfe\u7b56\u3092\u9069\u5207\u306b\u5b9f\u65bd\u3059\u308b\u3053\u3068\u3067\u3001\u591a\u304f\u306e\u4e00\u822c\u7684\u306a\u554f\u984c\u3092\u672a\u7136\u306b\u9632\u3050\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-29\">\u5b9f\u8df5\u7684\u306a\u30b3\u30fc\u30c9\u4f8b\u3068\u89e3\u8aac<\/h2>\n\n\n\n<p>\u5b9f\u969b\u306e\u958b\u767a\u73fe\u5834\u3067\u3088\u304f\u906d\u9047\u3059\u308b\u30b7\u30ca\u30ea\u30aa\u306b\u304a\u3051\u308busing\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u6d3b\u7528\u4f8b\u3092\u7d39\u4ecb\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-30\">\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\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 OrderProcessor\n{\n    private readonly string connectionString;\n\n    public async Task ProcessOrderAsync(Order order)\n    {\n        \/\/ \u63a5\u7d9a\u3068\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u7ba1\u7406\n        await using var connection = new SqlConnection(connectionString);\n        await connection.OpenAsync();\n\n        using var transaction = connection.BeginTransaction();\n        try\n        {\n            \/\/ \u6ce8\u6587\u306e\u4fdd\u5b58\n            using var orderCommand = connection.CreateCommand();\n            orderCommand.Transaction = transaction;\n            orderCommand.CommandText = \"INSERT INTO Orders (OrderId, CustomerId, Amount) VALUES (@orderId, @customerId, @amount)\";\n            orderCommand.Parameters.AddWithValue(\"@orderId\", order.Id);\n            orderCommand.Parameters.AddWithValue(\"@customerId\", order.CustomerId);\n            orderCommand.Parameters.AddWithValue(\"@amount\", order.Amount);\n            await orderCommand.ExecuteNonQueryAsync();\n\n            \/\/ \u5728\u5eab\u306e\u66f4\u65b0\n            using var inventoryCommand = connection.CreateCommand();\n            inventoryCommand.Transaction = transaction;\n            inventoryCommand.CommandText = \"UPDATE Inventory SET Quantity = Quantity - @quantity WHERE ProductId = @productId\";\n            inventoryCommand.Parameters.AddWithValue(\"@quantity\", order.Quantity);\n            inventoryCommand.Parameters.AddWithValue(\"@productId\", order.ProductId);\n            await inventoryCommand.ExecuteNonQueryAsync();\n\n            await transaction.CommitAsync();\n        }\n        catch\n        {\n            await transaction.RollbackAsync();\n            throw;\n        }\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-31\">\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u64cd\u4f5c\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\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 CsvProcessor\n{\n    public async Task ProcessLargeCsvAsync(string inputPath, string outputPath)\n    {\n        \/\/ \u5165\u529b\u30d5\u30a1\u30a4\u30eb\u3068\u51fa\u529b\u30d5\u30a1\u30a4\u30eb\u3092\u540c\u6642\u306b\u6271\u3046\n        await using var reader = new StreamReader(inputPath);\n        await using var writer = new StreamWriter(outputPath);\n\n        \/\/ \u30d8\u30c3\u30c0\u30fc\u306e\u51e6\u7406\n        string header = await reader.ReadLineAsync();\n        await writer.WriteLineAsync(header + \",ProcessedDate\");\n\n        \/\/ \u30d0\u30c3\u30d5\u30a1\u3092\u4f7f\u7528\u3057\u305f\u52b9\u7387\u7684\u306a\u8aad\u307f\u8fbc\u307f\n        char[] buffer = new char[4096];\n        StringBuilder lineBuilder = new StringBuilder();\n\n        while (true)\n        {\n            int read = await reader.ReadAsync(buffer, 0, buffer.Length);\n            if (read == 0) break;\n\n            lineBuilder.Append(buffer, 0, read);\n\n            \/\/ \u5b8c\u5168\u306a\u884c\u306e\u51e6\u7406\n            int lineEnd;\n            while ((lineEnd = lineBuilder.ToString().IndexOf(Environment.NewLine)) != -1)\n            {\n                string line = lineBuilder.ToString(0, lineEnd);\n                await ProcessAndWriteLineAsync(line, writer);\n                lineBuilder.Remove(0, lineEnd + Environment.NewLine.Length);\n            }\n        }\n    }\n\n    private async Task ProcessAndWriteLineAsync(string line, StreamWriter writer)\n    {\n        \/\/ \u30c7\u30fc\u30bf\u51e6\u7406\u30ed\u30b8\u30c3\u30af\n        var processed = line + \",\" + DateTime.Now.ToString(\"yyyy-MM-dd HH:mm:ss\");\n        await writer.WriteLineAsync(processed);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-32\">\u30cd\u30c3\u30c8\u30ef\u30fc\u30af\u901a\u4fe1\u3067\u306e\u6d3b\u7528\u4f8b<\/h3>\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 ApiClient\n{\n    private readonly string baseUrl;\n    private readonly int timeout;\n\n    public async Task&lt;ApiResponse&gt; SendRequestWithRetryAsync(ApiRequest request)\n    {\n        using var cancellationTokenSource = new CancellationTokenSource(timeout);\n        using var client = new HttpClient\n        {\n            BaseAddress = new Uri(baseUrl),\n            Timeout = TimeSpan.FromSeconds(30)\n        };\n\n        \/\/ \u30ea\u30c8\u30e9\u30a4\u30dd\u30ea\u30b7\u30fc\u306e\u8a2d\u5b9a\n        var retryPolicy = Policy\n            .Handle&lt;HttpRequestException&gt;()\n            .Or&lt;TaskCanceledException&gt;()\n            .WaitAndRetryAsync(3, retryAttempt =&gt; \n                TimeSpan.FromSeconds(Math.Pow(2, retryAttempt)));\n\n        return await retryPolicy.ExecuteAsync(async () =&gt;\n        {\n            using var httpRequest = new HttpRequestMessage(HttpMethod.Post, request.Endpoint)\n            {\n                Content = new StringContent(\n                    JsonSerializer.Serialize(request.Data),\n                    Encoding.UTF8,\n                    \"application\/json\"\n                )\n            };\n\n            using var response = await client.SendAsync(\n                httpRequest, \n                cancellationTokenSource.Token\n            );\n\n            response.EnsureSuccessStatusCode();\n            var content = await response.Content.ReadAsStringAsync();\n\n            return JsonSerializer.Deserialize&lt;ApiResponse&gt;(content);\n        });\n    }\n}<\/pre>\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\u308c\u3089\u306e\u5b9f\u88c5\u4f8b\u306b\u5171\u901a\u3059\u308b\u91cd\u8981\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<ol class=\"wp-block-list\">\n<li><strong>\u30ea\u30bd\u30fc\u30b9\u306e\u9069\u5207\u306a\u30b9\u30b3\u30fc\u30d7\u7ba1\u7406<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u5fc5\u8981\u6700\u5c0f\u9650\u306e\u30b9\u30b3\u30fc\u30d7\u3067\u30ea\u30bd\u30fc\u30b9\u3092\u4fdd\u6301<\/li>\n\n\n\n<li>\u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u6271\u3046\u5834\u5408\u306e\u9069\u5207\u306a\u9806\u5e8f<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u30c8\u30e9\u30f3\u30b6\u30af\u30b7\u30e7\u30f3\u306e\u30ed\u30fc\u30eb\u30d0\u30c3\u30af<\/li>\n\n\n\n<li>\u30ea\u30c8\u30e9\u30a4\u30ed\u30b8\u30c3\u30af\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u9069\u5207\u306a\u4f8b\u5916\u51e6\u7406<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u306e\u6700\u9069\u5316<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u30d0\u30c3\u30d5\u30a1\u30ea\u30f3\u30b0\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u975e\u540c\u671f\u51e6\u7406\u306e\u9069\u5207\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u518d\u5229\u7528<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5b9f\u8df5\u7684\u306a\u4f8b\u3092\u53c2\u8003\u306b\u3001\u81ea\u8eab\u306e\u30d7\u30ed\u30b8\u30a7\u30af\u30c8\u306b\u5408\u308f\u305b\u305f\u5b9f\u88c5\u3092\u691c\u8a0e\u3057\u3066\u304f\u3060\u3055\u3044\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-33\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5c06\u6765\u3068\u767a\u5c55<\/h2>\n\n\n\n<p>C#\u306e\u9032\u5316\u306b\u4f34\u3046using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u767a\u5c55\u3068\u3001\u4eca\u5f8c\u306e\u5c55\u671b\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-34\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u5c06\u6765\u3068\u767a\u5c55<\/h2>\n\n\n\n<p>C#\u306e\u9032\u5316\u306b\u4f34\u3046using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u767a\u5c55\u3068\u3001\u4eca\u5f8c\u306e\u5c55\u671b\u306b\u3064\u3044\u3066\u89e3\u8aac\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-35\">C# 8.0\u4ee5\u964d\u3067\u306e\u65b0\u6a5f\u80fd\u3068\u6539\u5584\u70b9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-36\">1. <strong>using\u5ba3\u8a00\u306e\u5c0e\u5165<\/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=\"\">\/\/ C# 8.0\u4ee5\u524d\npublic void TraditionalMethod()\n{\n    using (var resource = new Resource())\n    {\n        \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\n    }\n}\n\n\/\/ C# 8.0\u4ee5\u964d\npublic void ModernMethod()\n{\n    using var resource = new Resource();\n    \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\n    \/\/ \u30e1\u30bd\u30c3\u30c9\u30b9\u30b3\u30fc\u30d7\u7d42\u4e86\u6642\u306b\u81ea\u52d5\u7684\u306b\u89e3\u653e\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-37\">2. <strong>\u975e\u540c\u671fDispose\u306e\u30b5\u30dd\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 interface IAsyncDisposable\n{\n    ValueTask DisposeAsync();\n}\n\npublic class AsyncResource : IAsyncDisposable\n{\n    public async ValueTask DisposeAsync()\n    {\n        await CleanupAsync();\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic async Task ProcessAsync()\n{\n    await using var resource = new AsyncResource();\n    \/\/ \u975e\u540c\u671f\u51e6\u7406\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-38\">\u30e2\u30c0\u30f3\u306a\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u624b\u6cd5\u306e\u30c8\u30ec\u30f3\u30c9<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-39\">1. <strong>\u30b9\u30de\u30fc\u30c8\u30dd\u30a4\u30f3\u30bf\u306b\u4f3c\u305f\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 Scope&lt;T&gt; : IDisposable where T : IDisposable\n{\n    private readonly T resource;\n    private readonly Action&lt;T&gt; onDispose;\n\n    public Scope(T resource, Action&lt;T&gt; onDispose = null)\n    {\n        this.resource = resource;\n        this.onDispose = onDispose;\n    }\n\n    public T Value =&gt; resource;\n\n    public void Dispose()\n    {\n        onDispose?.Invoke(resource);\n        resource.Dispose();\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class ModernResourceManagement\n{\n    public void ProcessWithScope()\n    {\n        using var scope = new Scope&lt;DbConnection&gt;(\n            new SqlConnection(connectionString),\n            connection =&gt; Logger.Log($\"Connection {connection.ConnectionId} disposed\")\n        );\n\n        \/\/ \u30b9\u30b3\u30fc\u30d7\u5185\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u4f7f\u7528\n        scope.Value.Open();\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-40\">2. <strong>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/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 ResourceContext&lt;T&gt; : IDisposable where T : IDisposable\n{\n    private readonly ConcurrentDictionary&lt;string, T&gt; resources = new();\n\n    public T GetOrCreate(string key, Func&lt;T&gt; factory)\n    {\n        return resources.GetOrAdd(key, _ =&gt; factory());\n    }\n\n    public void Dispose()\n    {\n        foreach (var resource in resources.Values)\n        {\n            resource.Dispose();\n        }\n        resources.Clear();\n    }\n}\n\n\/\/ \u4f7f\u7528\u4f8b\npublic class ContextAwareProcessor\n{\n    public void ProcessWithContext()\n    {\n        using var context = new ResourceContext&lt;DbConnection&gt;();\n\n        var conn1 = context.GetOrCreate(\"db1\", () =&gt; \n            new SqlConnection(connectionString1));\n        var conn2 = context.GetOrCreate(\"db2\", () =&gt; \n            new SqlConnection(connectionString2));\n\n        \/\/ \u8907\u6570\u306e\u30ea\u30bd\u30fc\u30b9\u3092\u7d71\u5408\u7684\u306b\u7ba1\u7406\n    }\n}<\/pre>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-41\">\u6b21\u4e16\u4ee3\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/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=\"\">\/\/ \u5c06\u6765\u7684\u306b\u671f\u5f85\u3055\u308c\u308b\u6a5f\u80fd\npublic class FutureResourceManagement\n{\n    \/\/ \u6761\u4ef6\u4ed8\u304d\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\n    public async Task ConditionalDisposeAsync&lt;T&gt;(\n        T resource,\n        Func&lt;T, bool&gt; shouldDispose) where T : IAsyncDisposable\n    {\n        await using var wrapper = new ConditionalResource&lt;T&gt;(\n            resource, shouldDispose);\n        \/\/ \u30ea\u30bd\u30fc\u30b9\u306e\u4f7f\u7528\n    }\n\n    \/\/ \u30a4\u30f3\u30c6\u30ea\u30b8\u30a7\u30f3\u30c8\u306a\u30ea\u30bd\u30fc\u30b9\u30d7\u30fc\u30ea\u30f3\u30b0\n    public async Task SmartPoolingAsync&lt;T&gt;(\n        Func&lt;T&gt; factory,\n        Func&lt;T, Task&gt; action) where T : IAsyncDisposable\n    {\n        await using var pool = new SmartResourcePool&lt;T&gt;(\n            factory,\n            maxSize: 10,\n            idleTimeout: TimeSpan.FromMinutes(5)\n        );\n\n        await pool.UseResourceAsync(action);\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-42\">\u958b\u767a\u8005\u304c\u6e96\u5099\u3059\u3079\u304d\u3053\u3068<\/h3>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-43\">\u65b0\u3057\u3044\u30d1\u30bf\u30fc\u30f3\u306e\u7fd2\u5f97<\/h4>\n\n\n\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u975e\u540c\u671f\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u7406\u89e3<\/li>\n\n\n\n<li>\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u8a2d\u8a08\u624b\u6cd5<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316\u6280\u8853<\/li>\n<\/ul>\n\n\n\n<h4 class=\"wp-block-heading\" id=\"i-44\">\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u306e\u9032\u5316<\/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=\"\">\/\/ \u30e2\u30c0\u30f3\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\npublic class ModernImplementation : IAsyncDisposable, IDisposable\n{\n    private readonly CancellationTokenSource cts = new();\n    private readonly SemaphoreSlim semaphore = new(1);\n    private bool disposed;\n\n    public async ValueTask DisposeAsync()\n    {\n        if (disposed) return;\n\n        await semaphore.WaitAsync();\n        try\n        {\n            if (disposed) return;\n            disposed = true;\n\n            cts.Cancel();\n            await CleanupAsync();\n\n            cts.Dispose();\n            semaphore.Dispose();\n        }\n        finally\n        {\n            semaphore.Release();\n        }\n    }\n\n    public void Dispose()\n    {\n        DisposeAsync().AsTask().GetAwaiter().GetResult();\n    }\n}<\/pre>\n\n\n\n<h3 class=\"wp-block-heading\" id=\"i-45\">\u4eca\u5f8c\u306e\u767a\u5c55\u306b\u5411\u3051\u305f\u6e96\u5099<\/h3>\n\n\n\n<ul class=\"wp-block-list is-style-sango-list-chevron\">\n<li>\u30de\u30a4\u30af\u30ed\u30b5\u30fc\u30d3\u30b9\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/li>\n\n\n\n<li>\u30af\u30e9\u30a6\u30c9\u30cd\u30a4\u30c6\u30a3\u30d6\u74b0\u5883\u3067\u306e\u5206\u6563\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406<\/li>\n\n\n\n<li>\u30b3\u30f3\u30c6\u30ca\u5316\u74b0\u5883\u3067\u306e\u30ea\u30bd\u30fc\u30b9\u30e9\u30a4\u30d5\u30b5\u30a4\u30af\u30eb\u7ba1\u7406<\/li>\n<\/ul>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u5c06\u6765\u7684\u306a\u5c55\u671b\u3092\u898b\u636e\u3048\u306a\u304c\u3089\u3001\u73fe\u5728\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9\u3092\u7740\u5b9f\u306b\u5b9f\u8df5\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\" id=\"i-46\">using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306e\u307e\u3068\u3081<\/h2>\n\n\n\n<p>using\u30b9\u30c6\u30fc\u30c8\u30e1\u30f3\u30c8\u306f\u3001C#\u306b\u304a\u3051\u308b\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u306e\u8981\u3068\u306a\u308b\u6a5f\u80fd\u3067\u3059\u3002\u9069\u5207\u306b\u4f7f\u7528\u3059\u308b\u3053\u3068\u3067\u3001\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u3092\u9632\u304e\u3001\u3088\u308a\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30a2\u30d7\u30ea\u30b1\u30fc\u30b7\u30e7\u30f3\u3092\u958b\u767a\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<br>\u57fa\u672c\u7684\u306a\u4f7f\u7528\u65b9\u6cd5\u304b\u3089\u9ad8\u5ea6\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u307e\u3067\u3001\u72b6\u6cc1\u306b\u5fdc\u3058\u3066\u9069\u5207\u306a\u30a2\u30d7\u30ed\u30fc\u30c1\u3092\u9078\u629e\u3059\u308b\u3053\u3068\u304c\u91cd\u8981\u3067\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<ol class=\"wp-block-list\">\n<li><strong>\u57fa\u672c\u6982\u5ff5\u306e\u7406\u89e3<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>IDisposable\u30a4\u30f3\u30bf\u30fc\u30d5\u30a7\u30fc\u30b9\u306e\u91cd\u8981\u6027<\/li>\n\n\n\n<li>\u30ea\u30bd\u30fc\u30b9\u89e3\u653e\u306e\u81ea\u52d5\u5316\u30e1\u30ab\u30cb\u30ba\u30e0<\/li>\n\n\n\n<li>\u30b9\u30b3\u30fc\u30d7\u30d9\u30fc\u30b9\u306e\u5236\u5fa1<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5b9f\u88c5\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u9069\u5207\u306aDispose\u30d1\u30bf\u30fc\u30f3\u306e\u5b9f\u88c5<\/li>\n\n\n\n<li>\u8907\u6570\u30ea\u30bd\u30fc\u30b9\u306e\u52b9\u7387\u7684\u306a\u7ba1\u7406<\/li>\n\n\n\n<li>\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u3092\u8003\u616e\u3057\u305f\u30ea\u30bd\u30fc\u30b9\u89e3\u653e<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5b9f\u8df5\u7684\u306a\u5fdc\u7528<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u30c7\u30fc\u30bf\u30d9\u30fc\u30b9\u63a5\u7d9a\u306e\u9069\u5207\u306a\u7ba1\u7406<\/li>\n\n\n\n<li>\u5927\u5bb9\u91cf\u30d5\u30a1\u30a4\u30eb\u51e6\u7406\u3067\u306e\u52b9\u7387\u7684\u306a\u4f7f\u7528<\/li>\n\n\n\n<li>\u975e\u540c\u671f\u51e6\u7406\u3067\u306e\u6b63\u3057\u3044\u4f7f\u7528\u65b9\u6cd5<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u30c8\u30e9\u30d6\u30eb\u30b7\u30e5\u30fc\u30c6\u30a3\u30f3\u30b0<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u4e00\u822c\u7684\u306a\u30e1\u30e2\u30ea\u30ea\u30fc\u30af\u306e\u9632\u6b62<\/li>\n\n\n\n<li>\u30c7\u30d0\u30c3\u30b0\u3068\u30d1\u30d5\u30a9\u30fc\u30de\u30f3\u30b9\u6700\u9069\u5316<\/li>\n\n\n\n<li>\u30a8\u30e9\u30fc\u30cf\u30f3\u30c9\u30ea\u30f3\u30b0\u306e\u30d9\u30b9\u30c8\u30d7\u30e9\u30af\u30c6\u30a3\u30b9<\/li>\n<\/ul>\n<\/li>\n\n\n\n<li><strong>\u5c06\u6765\u3078\u306e\u6e96\u5099<\/strong>\n<ul class=\"wp-block-list is-style-sango-list-yubi\">\n<li>\u6700\u65b0\u306eC#\u6a5f\u80fd\u306e\u6d3b\u7528<\/li>\n\n\n\n<li>\u30e2\u30c0\u30f3\u306a\u5b9f\u88c5\u30d1\u30bf\u30fc\u30f3\u306e\u63a1\u7528<\/li>\n\n\n\n<li>\u65b0\u3057\u3044\u30ea\u30bd\u30fc\u30b9\u7ba1\u7406\u624b\u6cd5\u306e\u7406\u89e3<\/li>\n<\/ul>\n<\/li>\n<\/ol>\n<\/div><\/div>\n\n\n\n<p>\u3053\u308c\u3089\u306e\u30dd\u30a4\u30f3\u30c8\u3092\u62bc\u3055\u3048\u308b\u3053\u3068\u3067\u3001\u52b9\u7387\u7684\u3067\u4fe1\u983c\u6027\u306e\u9ad8\u3044\u30b3\u30fc\u30c9\u3092\u66f8\u304f\u3053\u3068\u304c\u3067\u304d\u3001\u30d7\u30ed\u30d5\u30a7\u30c3\u30b7\u30e7\u30ca\u30eb\u306aC#\u958b\u767a\u8005\u3068\u3057\u3066\u6210\u9577\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u3059\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Warning: Undefined array key &#8220;is_admin&#8221; in \/home\/xs392991\/dexall.co.jp\/public_html\/articles\/wp-content\/themes\/ &#8230; <\/p>\n","protected":false},"author":1,"featured_media":2677,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4,61],"tags":[],"class_list":{"0":"post-2017","1":"post","2":"type-post","3":"status-publish","4":"format-standard","5":"has-post-thumbnail","7":"category-csharp","8":"category-csharp-syntax"},"_links":{"self":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2017","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=2017"}],"version-history":[{"count":2,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2017\/revisions"}],"predecessor-version":[{"id":2019,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/posts\/2017\/revisions\/2019"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=\/wp\/v2\/media\/2677"}],"wp:attachment":[{"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=2017"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2017"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/dexall.co.jp\/articles\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2017"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}