移除全部事件委托
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public class Test { public event EventHandler AA; public void Foo() { if (AA != null) AA(this, new EventArgs()); } }static void Main(string[] args) { Test obj = new Test(); obj.AA += delegate { Console.WriteLine("event raised."); }; obj.Foo(); RemoveEvent<Test>(obj, "AA"); obj.Foo(); Console.ReadKey(); } static void RemoveEvent<T>(T c, string name) { Delegate[] invokeList = GetObjectEventList(c, "AA"); foreach (Delegate del in invokeList) { typeof(T).GetEvent("AA").RemoveEventHandler(c, del); } } /// <summary> /// 获取对象事件 zgke@sina.com qq:116149 /// </summary> /// <param name="p_Object">对象 </param> /// <param name="p_EventName">事件名 </param> /// <returns>委托列 </returns> public static Delegate[] GetObjectEventList(object p_Object, string p_EventName) { FieldInfo _Field = p_Object.GetType().GetField(p_EventName, BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Public | BindingFlags.Static); if (_Field == null) { return null; } object _FieldValue = _Field.GetValue(p_Object); if (_FieldValue != null && _FieldValue is Delegate) { Delegate _ObjectDelegate = (Delegate)_FieldValue; return _ObjectDelegate.GetInvocationList(); } return null; } |