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My Silverlight系列(11)—— Silverlight中的右键事件点击模拟(全局版本)

 2009-04-25 12:04:33 来源:WEB开发网   
核心提示: 剩余的任务,就是向Javascript中AttachEvent:1public sealed class RightClickHelper:IDisposable2 {3 public event EventHandler<MouseRightClickEventArgs> R

剩余的任务,就是向Javascript中AttachEvent:

 1public sealed class RightClickHelper:IDisposable
 2    {
 3        public event EventHandler<MouseRightClickEventArgs> RightClick;
 4        public RightClickHelper()
 5        {
 6            //if (!(Application.Current.Host.Settings.Windowless && HtmlPage.IsEnabled))
 7                //throw new NotSupportedException("Must set the Windowless of the plug-in as true");
 8            HtmlPage.Document.AttachEvent("oncontextmenu", this.OnContextMenu);
 9        }
10
11        private void OnContextMenu(object sender, HtmlEventArgs e)
12        {
13            if (RightClick != null)
14            {
15                MouseRightClickEventArgs evtArgs = new MouseRightClickEventArgs(e.OffsetX, e.OffsetY);
16                RightClick(this, evtArgs);
17                if (evtArgs.Handled)
18                    e.PreventDefault();
19            }
20        }
21
22        IDisposable Members#region IDisposable Members
23        public void Dispose()
24        {
25            HtmlPage.Document.DetachEvent("oncontextmenu", this.OnContextMenu);
26        }
27        #endregion
28    }

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Tags:My Silverlight 系列

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