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[Guid("56a868c0-0ad4-11ce-b03a-0020af0ba770")]
[SuppressUnmanagedCodeSecurity]
[InterfaceType(ComInterfaceType.InterfaceIsDual)]
public interface IMediaEventEx : IMediaEvent
{
int CancelDefaultHandling(EventCode lEvCode);
int FreeEventParams(EventCode lEvCode, IntPtr lParam1, IntPtr lParam2);
int GetEvent(out EventCode lEventCode, out IntPtr lParam1, out IntPtr lParam2, int msTimeout);
int GetEventHandle(out IntPtr hEvent);
int GetNotifyFlags(out NotifyFlags lplNoNotifyFlags);
int RestoreDefaultHandling(EventCode lEvCode);
int SetNotifyFlags(NotifyFlags lNoNotifyFlags);
int SetNotifyWindow(IntPtr hwnd, int lMsg, IntPtr lInstanceData);
int WaitForCompletion(int msTimeout, out EventCode pEvCode);
}
[Guid("56a868c0-0ad4-11ce-b03a-0020af0ba770")]
'假设已经存在类class1,类似如下代码,即可搞定
protected void Button1_Click(object sender, EventArgs e)
{
Class1 o1 = new Class1();
Response.Write(o1.GetType().GUID);
}