c# – 你能把它转换成VB吗?
发布时间:2020-12-16 01:37:30 所属栏目:百科 来源:网络整理
导读:static RelatedPosts(){ Post.Saved += new EventHandlerSavedEventArgs(Post_Saved);}static void Post_Saved(object sender,SavedEventArgs e){ if (e.Action == SaveAction.Update) { Post post = (Post)sender; if (_Cache.ContainsKey(post.Id)) _Cache
static RelatedPosts() { Post.Saved += new EventHandler<SavedEventArgs>(Post_Saved); } static void Post_Saved(object sender,SavedEventArgs e) { if (e.Action == SaveAction.Update) { Post post = (Post)sender; if (_Cache.ContainsKey(post.Id)) _Cache.Remove(post.Id); } } 我转换为: Shared Sub New() Post.Saved += New EventHandler(Of SavedEventArgs)(AddressOf Post_Saved) End Sub Private Shared Sub Post_Saved(ByVal sender As Object,ByVal e As SavedEventArgs) If e.Action = SaveAction.Update Then Dim post As Post = DirectCast(sender,Post) If _Cache.ContainsKey(post.Id) Then _Cache.Remove(post.Id) End If End If End Sub 但它给了我一个错误: 公共共享事件Saved()是一个事件,不能直接调用.使用’RaiseEvent’语句来引发事件. 解决方法
用这个
AddHandler Post.Saved,AddressOf Post_Saved 代替 Post.Saved += New EventHandler(Of SavedEventArgs)(AddressOf Post_Saved) (编辑:李大同) 【声明】本站内容均来自网络,其相关言论仅代表作者个人观点,不代表本站立场。若无意侵犯到您的权利,请及时与联系站长删除相关内容! |