{"id":12207,"date":"2026-05-29T14:23:50","date_gmt":"2026-05-29T05:23:50","guid":{"rendered":"https:\/\/www.moonmile.net\/blog\/?p=12207"},"modified":"2026-05-29T22:51:44","modified_gmt":"2026-05-29T13:51:44","slug":"blazor-%e3%81%a8%e3%82%a4%e3%83%99%e3%83%b3%e3%83%88%e3%83%8f%e3%83%b3%e3%83%89%e3%83%a9%e3%81%ae-async-task-%e3%81%ae%e8%a9%b1","status":"publish","type":"post","link":"http:\/\/www.moonmile.net\/blog\/archives\/12207","title":{"rendered":"Blazor \u3068\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e async Task \u306e\u8a71"},"content":{"rendered":"\n<p class=\"wp-block-paragraph\">\u53bb\u5e74\u57f7\u7b46\u3057\u305f\u300cBlazor\u5165\u9580\u3000\u7b2c2\u7248\u300d <a href=\"https:\/\/amzn.asia\/d\/03cj9KQV\">https:\/\/amzn.asia\/d\/03cj9KQV<\/a> \u306a\u306e\u3067\u3059\u304c\u3001\u3042\u307e\u308a\u306b\u3082\u8a55\u5224\u304c\u60aa\u3044\u306e\u3067\u6883\u5165\u308c\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><a href=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-17.png\"><img loading=\"lazy\" decoding=\"async\" width=\"796\" height=\"1024\" src=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-17-796x1024.png\" alt=\"\" class=\"wp-image-12208\" style=\"aspect-ratio:0.7773467241941917;width:257px;height:auto\" srcset=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-17-796x1024.png 796w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-17-233x300.png 233w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-17-768x988.png 768w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-17.png 1166w\" sizes=\"auto, (max-width: 796px) 100vw, 796px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\"><br>\u57fa\u672c\u7684\u306b\u3001\u521d\u7248\u306e Blazor \u304c wasm \u30d9\u30fc\u30b9\u306e SPA \u3060\u3063\u305f\u306e\u306b\u5bfe\u3057\u3066\u3001\u7b2c2\u7248\u306f Next\/Nuxt.js \u306e\u3088\u3046\u306b SSR\uff08\u30b5\u30fc\u30d0\u30fc\u30b5\u30a4\u30c9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\uff09\u306b\u30b7\u30d5\u30c8\u3057\u305f\u672c\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002\u57fa\u672c\u7684\u306a\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306f\u305d\u306e\u307e\u307e\u306b\u3057\u3066\u3001CSR\/SSR \u4e21\u65b9\u3067\u3067\u304d\u308b\u6280\u8853\u3092\u5f15\u304d\u7d9a\u304d\u3067\u304d\u308b\u3068\u3057\u305f\u672c\u306a\u308f\u3051\u3067\u3059\u304c\u3001\u305d\u306e\u3042\u305f\u308a Blazor \u304c\u3042\u307e\u308a\u5e83\u307e\u3063\u3066\u3044\u306a\u3044\u306e\u304b\u3001\u3061\u3087\u3063\u3068\u4e0d\u660e\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>async void \u306e\u554f\u984c<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u65e5\u306e amazon \u306e\u8a55\u3067\u6c17\u3065\u3044\u305f\u306e\u3067\u3059\u304c\u3001Blazor \u306e\u65b9\u3067\u306f async Task \u3092\u4f7f\u3046\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u305f\u306e\u3092\u5931\u5ff5\u3057\u3066\u3044\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">ASP.NET Core Blazor \u306e\u30a4\u30d9\u30f3\u30c8\u51e6\u7406 | Microsoft Learn <a href=\"https:\/\/learn.microsoft.com\/ja-jp\/aspnet\/core\/blazor\/components\/event-handling\">https:\/\/learn.microsoft.com\/ja-jp\/aspnet\/core\/blazor\/components\/event-handling<\/a><\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u305f\u3068\u304d\u306b\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306f\u3001\u623b\u308a\u5024\u304c void \u3067\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u306e\u3067\u3001\u623b\u308a\u306e\u578b\u3092\u5909\u66f4\u3059\u308b\u304a\u3068\u304c\u3067\u304d\u306a\u304f\u3066\u3001\u975e\u540c\u671f\u30c7\u30ea\u30b2\u30fc\u30c8\u3092\u4f7f\u3046\u6642\u306f WinForm \u306a\u3093\u304b\u306f async void \u3092\u4f7f\u3046\u306e\u3067\u3001\u305d\u306e\u307e\u307e Blazor \u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u306b\u6301\u3063\u3066\u304d\u305f\u306e\u3067\u3059\u304c\u3001<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u25a0\u91cd\u8981<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">Blazor \u30d5\u30ec\u30fc\u30e0\u30ef\u30fc\u30af\u3067\u306f\u3001void \u3092\u8fd4\u3059\u975e\u540c\u671f\u30e1\u30bd\u30c3\u30c9 (async) \u306f\u8ffd\u8de1\u3055\u308c\u307e\u305b\u3093\u3002 \u305d\u306e\u7d50\u679c\u3001 void \u304c\u8fd4\u3055\u308c\u305f\u5834\u5408\u306b\u4f8b\u5916\u304c\u30ad\u30e3\u30c3\u30c1\u3055\u308c\u306a\u3044\u3068\u3001\u30d7\u30ed\u30bb\u30b9\u5168\u4f53\u304c\u5931\u6557\u3057\u307e\u3059\u3002 \u975e\u540c\u671f\u30e1\u30bd\u30c3\u30c9\u304b\u3089\u5e38\u306b Task\/ValueTask \u3092\u8fd4\u3057\u307e\u3059\u3002<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u3068\u3044\u3046\u3053\u3068\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u306d\u3002\u66f8\u7c4d\u306e\u307b\u3046\u3067\u306f\u3001<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\n\/\/\/ &lt;summary&gt;\n\/\/\/ \u691c\u7d22\n\/\/\/ &lt;\/summary&gt;\nprivate async void onSearch()\n{\n    var items = await Http.GetFromJsonAsync&lt;List&lt;Books&gt;&gt;(&quot;api\/books&quot;);\n    if (items == null) return;\n    this.books = items;\n    this.StateHasChanged();\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u3068 async void \u3092\u4f7f\u3063\u3066\u3044\u307e\u3059\u304c\u3001\u6b21\u306e\u3088\u3046\u306b async Task \u3092\u4f7f\u3044\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\n\/\/\/ &lt;summary&gt;\n\/\/\/ \u691c\u7d22\n\/\/\/ &lt;\/summary&gt;\nprivate async Task onSearch()\n{\n    var items = await Http.GetFromJsonAsync&lt;List&lt;Books&gt;&gt;(&quot;api\/books&quot;);\n    if (items == null) return;\n    this.books = items;\n    this.StateHasChanged();\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3042\u305f\u308a\u3001github <a href=\"https:\/\/github.com\/moonmile\/blazor-sample-v2\">https:\/\/github.com\/moonmile\/blazor-sample-v2<\/a> \u306e\u30b5\u30f3\u30d7\u30eb\u30b3\u30fc\u30c9\u3092\u76f4\u3057\u3066\u304a\u304d\u307e\u3057\u305f\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3061\u306a\u307f\u306b\u3001WinForms \u306e\u5834\u5408\u3001\u6b21\u306e\u3088\u3046\u306b async Task \u3092\u4f7f\u3046\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u6642\u306b\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nprivate async Task button1_Click(object sender, EventArgs e)\n{\n    await Task.Delay(1000);\n}\n<\/pre><\/div>\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\">\n<p class=\"wp-block-paragraph\">&#8216;Task Form1.button1_Click(object, EventArgs)&#8217; \u306b\u306f\u3001\u4e0d\u9069\u5207\u306a\u623b\u308a\u5024\u306e\u578b\u304c\u6307\u5b9a\u3055\u308c\u3066\u3044\u307e\u3059<\/p>\n<\/blockquote>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u306f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u5b9a\u7fa9\u304c public delegate void EventHandler(object? sender, EventArgs e); \u3068\u306a\u3063\u3066\u3044\u308b\u306e\u3067 void \u3057\u304b\u53d7\u3051\u4ed8\u3051\u306a\u3044\u3088\u3046\u306b\u306a\u3063\u3066\u3044\u308b\u305f\u3081\u3067\u3059\u3002\u3053\u308c\u306f\u3001WPF \u306e\u5834\u5408\u3082\u540c\u3058\u3067\u3059\u306d\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u305f\u3081 Blazor \u4ee5\u5916\u3067\u306f async void \u3092\u4f7f\u308f\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u306e\u3067\u3059\u304c\u3001\u3044\u307e\u3001Visual Studio 2026 \u3067\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u72b6\u614b\u3092\u78ba\u8a8d\u3059\u308b\u3068\u3001\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3067 await \u3092\u4f7f\u3063\u305f\u3068\u304d\u306b\u81ea\u52d5\u7684\u306b\u300casync Task\u300d\u306b\u66f8\u304d\u5909\u3048\u3089\u308c\u3059\u3002\u3053\u308c\u304c\u6b63\u3057\u3044\u52d5\u4f5c\u306a\u306e\u304b\u306f\u4e0d\u660e\u306a\u306e\u3067\u3059\u304c\u3001\u3059\u304f\u306a\u304f\u3068\u3082 WinForms \u3067\u306e\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u3067\u306f\u300casync Task\u300d\u306e\u307e\u307e\u3060\u3068\u30b3\u30f3\u30d1\u30a4\u30eb\u30a8\u30e9\u30fc\u306b\u306a\u308a\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u306a\u306e\u3067 Blazor \u3060\u3051\u3001\u3068\u3044\u3046\u6ce8\u610f\u304c\u5fc5\u8981\u3067\u3059\u3002<\/p>\n\n\n\n<h2 class=\"wp-block-heading\"><strong> async Task \u3068 async void \u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3059\u308b<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">Blazor \u306e\u7c21\u5358\u306a\u753b\u9762\u3092\u4f7f\u3063\u3066\u30012\u3064\u306e\u52d5\u4f5c\u3092\u78ba\u8a8d\u3057\u3066\u307f\u307e\u3057\u3087\u3046\u3002\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306b\u306f\u300c\u975e\u540c\u671f\u30e1\u30bd\u30c3\u30c9\uff08async\uff09\u304c\u8ffd\u8de1\u3055\u308c\u307e\u305b\u3093\u300d\u3068\u3042\u308a\u307e\u3059\u304c\u3001\u73fe\u8c61\u7684\u306b\u3069\u3093\u306a\u3053\u3068\u304c\u8d77\u3053\u308b\u306e\u304b\uff1f\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002\u66f8\u7c4d\u306e\u30b5\u30f3\u30d7\u30eb\u3092\u4f5c\u3063\u305f\u3068\u304d\u306b\u306f\u3001Web API \u306e\u547c\u3073\u51fa\u3057\u3092 await \u3067\u5f85\u3063\u3066\u753b\u9762\u306b\u8868\u793a\u3057\u3066\u3044\u305f\u306e\u3067\u554f\u984c\u304c\u51fa\u3066\u3044\u306a\u304b\u3063\u305f\u306e\u3067\u3059\u304c\u3001\u6b21\u306e\u30b3\u30fc\u30c9\u3060\u30682\u3064\u306e\u66f8\u304d\u65b9\u3067\u52d5\u4f5c\u304c\u9855\u8457\u306b\u3067\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nprivate int currentCount = 0;\n\nprivate async Task IncrementCount()\n{\n    await Task.Delay(2000);\n    currentCount++;\n    System.Diagnostics.Debug.WriteLine($&quot;async Task: {currentCount}&quot;);\n}\nprivate async void IncrementCountVoid()\n{\n    await Task.Delay(2000);\n    currentCount++;\n    System.Diagnostics.Debug.WriteLine($&quot;async void: {currentCount}&quot;);\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u30662\u79d2\u5f8c\u306b currentCount \u3092\u66f4\u65b0\u3057\u3066\u3001\u753b\u9762\u3092\u518d\u66f4\u65b0\u3057\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-18.png\"><img loading=\"lazy\" decoding=\"async\" width=\"739\" height=\"476\" src=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-18.png\" alt=\"\" class=\"wp-image-12209\" srcset=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-18.png 739w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-18-300x193.png 300w\" sizes=\"auto, (max-width: 739px) 100vw, 739px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u5de6\u306e\u300casync Task \u7248\u300d\u306e\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u753b\u9762\u306e Current count \u306e\u6570\u5024\u3068\u3001\u6570\u5024\u306e\u51fa\u529b\u306e\u6570\u5024\u304c\u540c\u671f\u3057\u3066\u3044\u307e\u3059\u3002\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3057\u30662\u79d2\u5f8c\u306b\u8868\u793a\u3057\u3066\u3044\u308b\u72b6\u614b\u3067\u3059\u304c\u3001\u3053\u308c\u304c\u5f53\u305f\u308a\u524d\u306e\u72b6\u614b\u3067\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-19.png\"><img loading=\"lazy\" decoding=\"async\" width=\"826\" height=\"617\" src=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-19.png\" alt=\"\" class=\"wp-image-12210\" srcset=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-19.png 826w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-19-300x224.png 300w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-19-768x574.png 768w\" sizes=\"auto, (max-width: 826px) 100vw, 826px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u308c\u3092\u53f3\u306e\u300casync void \u7248\u300d\u306e\u30dc\u30bf\u30f3\u3092\u30af\u30ea\u30c3\u30af\u3059\u308b\u3068\u3001\u753b\u9762\u306e Current count \u306e\u6570\u5024\u3068\u51fa\u529b\u306e\u6570\u5024\u304c\u305a\u308c\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-20.png\"><img loading=\"lazy\" decoding=\"async\" width=\"792\" height=\"627\" src=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-20.png\" alt=\"\" class=\"wp-image-12211\" srcset=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-20.png 792w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-20-300x238.png 300w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-20-768x608.png 768w\" sizes=\"auto, (max-width: 792px) 100vw, 792px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3046\u3084\u3089\u753b\u9762\u3092\u66f4\u65b0\u3059\u308b StateHasChanged \u304c\u5185\u90e8\u3067\u98db\u3093\u3067\u3044\u306a\u3044\u3089\u3057\u304f\u3066\u3001\u753b\u9762\u306e\u66f4\u65b0\u304c\u9045\u308c\u3066\u3044\u308b\u3088\u3046\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u52d5\u4f5c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u660e\u793a\u7684\u306b StateHasChanged \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u3059\u308c\u3070\u89e3\u6c7a\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082 async void \u3067\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u547c\u3073\u51fa\u3057\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u304f\u3066\u753b\u9762\u66f4\u65b0\u304c\u3067\u304d\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u6b63\u3057\u3044\u66f8\u304d\u65b9\u306e async Task \u3092\u4f7f\u3048\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u52d5\u4f5c\u306f\u4ee5\u4e0b\u306e\u3088\u3046\u306b\u660e\u793a\u7684\u306b StateHasChanged \u30e1\u30bd\u30c3\u30c9\u3092\u547c\u3073\u51fa\u3059\u3088\u3046\u306b\u3059\u308c\u3070\u89e3\u6c7a\u3067\u304d\u308b\u306e\u3067\u3059\u304c\u3001\u305d\u3082\u305d\u3082 async void \u3067\u30c7\u30ea\u30b2\u30fc\u30c8\u306e\u547c\u3073\u51fa\u3057\u304c\u3046\u307e\u304f\u3044\u304b\u306a\u304f\u3066\u753b\u9762\u66f4\u65b0\u304c\u3067\u304d\u3066\u3044\u306a\u3044\u306e\u3067\u3001\u6b63\u3057\u3044\u66f8\u304d\u65b9\u306e async Task \u3092\u4f7f\u3048\u3068\u3044\u3046\u3053\u3068\u3067\u3059\u3002<\/p>\n\n\n<div class=\"wp-block-syntaxhighlighter-code \"><pre class=\"brush: csharp; title: ; notranslate\" title=\"\">\nprivate async void IncrementCountVoid()\n{\n    await Task.Delay(2000);\n    currentCount++;\n    System.Diagnostics.Debug.WriteLine($&quot;async void: {currentCount}&quot;);\n    this.StateHasChanged();\n}\n<\/pre><\/div>\n\n\n<p class=\"wp-block-paragraph\">\u3061\u306a\u307f\u306b\u3001\u975e\u540c\u671f\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u306e\u751f\u6210\u306f @click=&#8221;&#8230;&#8221; \u306e\u307b\u3046\u304b\u3089\u3082\u4f5c\u6210\u3067\u304d\u307e\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u5148\u306b\u30af\u30ea\u30c3\u30af\u30a4\u30d9\u30f3\u30c8\u540d\u3092\u66f8\u3044\u3066\u304b\u3089\u3001Alt+Enter \u3067\u300c\u8003\u3048\u3089\u308c\u308b\u4fee\u6b63\u5185\u5bb9\u3092\u8868\u793a\u300d\u3055\u305b\u307e\u3059\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-21.png\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"485\" src=\"https:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-21-1024x485.png\" alt=\"\" class=\"wp-image-12212\" srcset=\"http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-21-1024x485.png 1024w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-21-300x142.png 300w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-21-768x363.png 768w, http:\/\/www.moonmile.net\/blog\/wp-content\/uploads\/2026\/05\/image-21.png 1082w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/a><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u3046\u3059\u308b\u3068\u623b\u308a\u5024\u304c Task \u306e\u307b\u3046\u306e\u30a4\u30d9\u30f3\u30c8\u30cf\u30f3\u30c9\u30e9\u304c\u4f5c\u6210\u3055\u308c\u308b\u306e\u3067\u3001\u9069\u5b9c await\/async \u3092\u8ffd\u52a0\u3059\u308c\u3070 ok \u3067\u3059\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3061\u306a\u307f\u306b\u300cC#\u30e6\u30fc\u30b6\u30fc\u306e\u305f\u3081\u306eWeb\u30a2\u30d7\u30ea\u958b\u767a\u30d1\u30bf\u30fc\u30f3 ASP.NET Core Blazor\u306b\u3088\u308b\u30a8\u30f3\u30bf\u30fc\u30d7\u30e9\u30a4\u30ba\u30a2\u30d7\u30ea\u958b\u767a\u300d<a href=\"https:\/\/amzn.asia\/d\/00yl4hs4\">https:\/\/amzn.asia\/d\/00yl4hs4<\/a> \u306f\u3072\u3068\u901a\u308a\u8aad\u3093\u3060\u4e0a\u3067\u3001\u88ab\u3089\u306a\u3044\u3088\u3046\u306b Blazor \u7b2c2\u7248\u3092\u57f7\u7b46\u3057\u3066\u3044\u305f\u306e\u3067\u3059\u304c&#8230; async Task \u306f\u898b\u843d\u3068\u3057\u3067\u3057\u305f orz<\/p>\n\n\n\n<h2 class=\"wp-block-heading\">\u88dc\u8db3<\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">\u3069\u3046\u3084\u3089 Blazor \u306e\u5834\u5408\u306f\u3001.NET \u5074\u304b\u3089 JS \u5074\u306b\u30a4\u30d9\u30f3\u30c8\u3092\u901a\u77e5\u3059\u308b\u305f\u3081\u306b @onclick \u304c\u975e\u540c\u671f\u306e\u30c7\u30ea\u30b2\u30fc\u30c8 Func&lt;T> \u3068\u3057\u3066\u5b9a\u7fa9\u3055\u308c\u3066\u3044\u308b\u6a21\u69d8\u3002\u78ba\u304b\u306b\u3001WinForms \u3084 WPF \u306e\u5834\u5408\u306f\u3001UI \u304b\u3089\u306e\u30a4\u30d9\u30f3\u30c8\u306b\u5bfe\u3057\u3066\u540c\u671f\u7684\u306b\u884c\u3046\u306e\u3067\u3001EventHandler \u5f53\u305f\u308a\u3092\u4f7f\u3063\u3066 async void \u306b\u306a\u308b\u306e\u3060\u304c\u3001Blazor \u306e\u5834\u5408\u306f .NET -> JS \u3078\u306e\u901a\u77e5\u304c\u305d\u3082\u305d\u3082\u975e\u540c\u671f\u306a\u306e\u3067 async Task \u3092\u4f7f\u308f\u306a\u3044\u3068\u5f85\u3061\u304c\u767a\u751f\u3059\u308b\u3088\u3046\u306a\u300c\u540c\u671f\u7684\u306a\u51e6\u7406\u300d\u304c\u3067\u304d\u306a\u3044\u3068\u3044\u3046\u3053\u3068\u306a\u306e\u3060\u308d\u3046\u3002<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">\u3053\u306e\u3042\u305f\u308a\u306f Blazor \u7279\u6709\u306e\u52d5\u4f5c\u306a\u306e\u3067\u3001\u898b\u843d\u3068\u3057\u3084\u3059\u3044\u3068\u3053\u308d\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u53bb\u5e74\u57f7\u7b46\u3057\u305f\u300cBlazor\u5165\u9580\u3000\u7b2c2\u7248\u300d https:\/\/amzn.asia\/d\/03cj9KQV \u306a\u306e\u3067\u3059\u304c\u3001\u3042\u307e\u308a\u306b\u3082\u8a55\u5224\u304c\u60aa\u3044\u306e\u3067\u6883\u5165\u308c\u3067\u3059\u3002 \u57fa\u672c\u7684\u306b\u3001\u521d\u7248\u306e Blazor \u304c wasm \u30d9\u30fc\u30b9\u306e SPA \u3060\u3063\u305f &hellip; <a href=\"http:\/\/www.moonmile.net\/blog\/archives\/12207\">\u7d9a\u304d\u3092\u8aad\u3080 <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":""},"categories":[3],"tags":[],"class_list":["post-12207","post","type-post","status-publish","format-standard","hentry","category-dev"],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/12207","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/comments?post=12207"}],"version-history":[{"count":4,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/12207\/revisions"}],"predecessor-version":[{"id":12228,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/posts\/12207\/revisions\/12228"}],"wp:attachment":[{"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/media?parent=12207"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/categories?post=12207"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.moonmile.net\/blog\/wp-json\/wp\/v2\/tags?post=12207"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}