{"id":1188,"date":"2017-11-23T08:20:20","date_gmt":"2017-11-22T23:20:20","guid":{"rendered":"https:\/\/akamist.com\/blog\/?p=1188"},"modified":"2017-11-23T22:34:59","modified_gmt":"2017-11-23T13:34:59","slug":"c%e9%9d%9e%e5%90%8c%e6%9c%9f%e3%81%ae%e9%96%a2%e6%95%b0%e3%81%ae%e5%91%bc%e3%81%b3%e5%87%ba%e3%81%97%e3%81%a7%e3%80%81%e3%82%a8%e3%83%a9%e3%83%bc%e3%80%8ccs4008-void%e3%82%92%e5%be%85%e6%a9%9f","status":"publish","type":"post","link":"https:\/\/akamist.com\/blog\/archives\/1188","title":{"rendered":"[C#]\u975e\u540c\u671f\u306e\u95a2\u6570\u306e\u547c\u3073\u51fa\u3057\u3067\u3001\u30a8\u30e9\u30fc\u300cCS4008 'void'\u3092\u5f85\u6a5f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093\u300d\u304c\u51fa\u308b\u3068\u304d\u306b\u3059\u308b\u3053\u3068"},"content":{"rendered":"<p>C#\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u3067async\u304c\u4ed8\u3044\u305f\u30e1\u30bd\u30c3\u30c9\u3092\u4f5c\u3063\u3066\u547c\u3073\u51fa\u3057\u305f\u3068\u304d\u3001<strong>CS4008 'void'\u3092\u5f85\u6a5f\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u307e\u305b\u3093<\/strong>\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<pre><code class=\"language-csharp\">private async void button1_Click( object sender, EventArgs e )\n{\n    await HeavyTask();\n}\n\n\npublic async void HeavyTask()\n{\n    await Task.Delay( 1000 );\n    return;\n}\n<\/code><\/pre>\n<p>\u3053\u308c\u306f\u3001C#\u3067\u306fasync void\u5b9a\u7fa9\u3092\u884c\u3063\u305f\u95a2\u6570\u3092await\u4ed8\u304d\u3067\u547c\u3073\u51fa\u3057\u3059\u308b\u3053\u3068\u304c\u3067\u304d\u306a\u3044\u70ba\u3001\u30a8\u30e9\u30fc\u306b\u306a\u3063\u3066\u3044\u307e\u3059\u3002<\/p>\n<h2>\u5bfe\u51e6\u65b9\u6cd5<\/h2>\n<p>\u3053\u306e\u30a8\u30e9\u30fc\u304c\u51fa\u305f\u3068\u304d\u306f\u3001\u4ee5\u4e0b\u306e\u3088\u3046\u306b<code>async void<\/code>\u304b\u3089\u3001<code>async 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