{"author_name":"kd1","published":"2016-12-04 15:16:50","author_url":"https://blog.hatena.ne.jp/kd1/","height":"190","title":"C# \u30a4\u30d9\u30f3\u30c8\u3092\u4e00\u6642\u5909\u6570\u306b\u5165\u308c\u3066\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306bnull\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3042\u308c","blog_title":"OITA: Oika's Information Technological Activities","blog_url":"https://oita.oika.me/","url":"https://oita.oika.me/2016/12/04/fire-event-thread-safely/","version":"1.0","provider_url":"https://hatena.blog","type":"rich","categories":[".NET","C#","Multithreading"],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Foita.oika.me%2F2016%2F12%2F04%2Ffire-event-thread-safely%2F\" title=\"C# \u30a4\u30d9\u30f3\u30c8\u3092\u4e00\u6642\u5909\u6570\u306b\u5165\u308c\u3066\u30b9\u30ec\u30c3\u30c9\u30bb\u30fc\u30d5\u306bnull\u30c1\u30a7\u30c3\u30af\u3059\u308b\u3042\u308c - OITA: Oika&#39;s Information Technological Activities\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","width":"100%","description":"C#\u3067\u3001\u81ea\u524d\u3067\u30a4\u30d9\u30f3\u30c8\u3092\u767a\u706b\u3055\u305b\u308b\u969b\u3001 \u30cf\u30f3\u30c9\u30e9\u304c1\u3064\u3082\u767b\u9332\u3055\u308c\u3066\u3044\u306a\u3044\u72b6\u614b\u3067Invoke\u3057\u3088\u3046\u3068\u3059\u308b\u3068 NullReferenceException\u306b\u306a\u3063\u3061\u3083\u3046\u3093\u3067\u3001 Null\u3067\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089\u547c\u3073\u51fa\u3059\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002 public event PropertyChangedEventHandler PropertyChanged; protected void RaisePropertyChanged(string propertyName) { //null\u3067\u306a\u3044\u3053\u3068\u3092\u78ba\u8a8d\u3057\u3066\u304b\u3089 if (PropertyChanged != null) { //\u767a\u706b PropertyChange\u2026","image_url":null,"provider_name":"Hatena Blog"}