public async void ShowDlg(CHtml p_owner) { Title = p_owner.Title; Show(); // WebView事件无法捕捉到初始化html的时机,延时 await Task.Delay(500); var val = p_owner.GetVal(); await _wv.InvokeScriptAsync("setHtml", new string[] { (val != null) ? val.ToString() : "" }); }