C#移除所有事件绑定的方法

private delegate int DEL_TEST_EventHandler(int m, int n);private event DEL_TEST_EventHandler DelTestEventHandler;/// <summary>/// 移除所有的事件绑定/// </summary>/// <param name="clearEvent"></param>private void clear_event(DEL_TEST_EventHandler clearEvent){ Delegate[] dels = DelTestEventHandler.GetInvocationList(); foreach (Delegate d in dels) {  //得到方法名  object delObj = d.GetType().GetProperty("Method").GetValue(d, null);  string funcName = (string)delObj.GetType().GetProperty("Name").GetValue(delObj, null);    Debug.Print(funcName);  DelTestEventHandler -= d as DEL_TEST_EventHandler; }}//测试主函数private void test(){ DelTestEventHandler += add; DelTestEventHandler += sub;   DelTestEventHandler += add; DelTestEventHandler += sub;   clear_event(DelTestEventHandler);}private int add(int m, int n){ return m + n;}private static int sub(int m, int n){ return m - n;}