/// <summary>
 /// 服务器断开操作
 /// </summary>
 public void _ServerStop()
 {
     if (server.IsRunning)
     {
         server._ClientConnected    -= ClientConnected;
         server._ClientDisconnected -= ClientDisconnected;
         server._ReceiveData        -= ReceiveData;
         server.ServerStop();
         IsRunning = server.IsRunning;
     }
 }