请教,C#通过委托定义事件的时候,检查事件,发现为空?
//定义的委托
public delegate void VerifyComIDHandle(string callerID, string ComID, int telChan);
public delegate void OnRingHandle(int telChan, string callerID, string ComId);
public delegate void ConnectErrorHandle(string ErrorMsg);
public delegate void OutLineHangUpHandle(DateTime TimeHangUp);
public delegate void ConectSucceedHandle();
//定义的事件
public event VerifyComIDHandle VerifyComID;
public event OnRingHandle OnRing;
public event ConnectErrorHandle ConnectError;
public event OutLineHangUpHandle OutLineHangUp;
public event ConectSucceedHandle ConnectSucceed;
定义的事件中,在程序里面检查,发现 VerifyComID和 OutLineHangUp都为空,其处理都是一样的,为什么会有两个为空呢?