得到控件事件中的全部委托

Type btn  =   typeof (Button);
Type ctrl  =   typeof (Control);
PropertyInfo proInfo  =  btn.GetProperty( " Events " , BindingFlags.NonPublic  |  BindingFlags.Instance);
EventHandlerList eventList  =  (EventHandlerList)proInfo.GetValue(button1,  null );
// eventList[Control.EventClick]
FieldInfo fieldInfo  =  ctrl.GetField( " EventClick " , BindingFlags.NonPublic  |  BindingFlags.Static);
object  key  =  fieldInfo.GetValue( null );
Delegate del  =  eventList[key];
Delegate[] delList  =  del.GetInvocationList();

foreach  (Delegate item  in  delList)
... {

    this.listBox1.Items.Add(item.Method.Name);
}