{"published":"2026-05-15 12:19:48","type":"rich","categories":["C#",".NET"],"provider_url":"https://hatena.blog","provider_name":"Hatena Blog","blog_url":"https://kagasu.hatenablog.com/","author_name":"kagasu","url":"https://kagasu.hatenablog.com/entry/2026/05/15/121948","title":"C# \u3067 WebSocket \u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5","width":"100%","html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fkagasu.hatenablog.com%2Fentry%2F2026%2F05%2F15%2F121948\" title=\"C# \u3067 WebSocket \u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5 - \u5099\u5fd8\u9332\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","description":"\u2160. \u306f\u3058\u3081\u306b \u30bf\u30a4\u30c8\u30eb\u306e\u901a\u308a\u300cC# \u3067 WebSocket \u306e\u30af\u30e9\u30a4\u30a2\u30f3\u30c8\u5074\u3092\u5b9f\u88c5\u3059\u308b\u65b9\u6cd5\u300d\u3067\u3059\u3002 \u2161. \u30b5\u30f3\u30d7\u30eb\u30d7\u30ed\u30b0\u30e9\u30e0 // dotnet add package Websocket.Client --version 5.4.0 using System.Net.WebSockets; using Websocket.Client; var url = new Uri(\"wss://echo.websocket.org\"); var factory = new Func<ClientWebSocket>(() => { var client = new ClientWebSocket \u2026","author_url":"https://blog.hatena.ne.jp/kagasu/","image_url":null,"version":"1.0","height":"190","blog_title":"\u5099\u5fd8\u9332"}