public void RdSiteManagerClick()
 {
     _StateManager.ManagingSite = !_StateManager.ManagingSite;
     _EngineCmdManager.SetManagingSite(_StateManager.ManagingSite);
     if (!_StateManager.ManagingSite)
     {
         for (int i = 0; i < Radio.NumDestinations; i++)
         {
             if (_StateManager.Radio.ChangingSite(i))
             {
                 _EngineCmdManager.ChangeSite(i, _StateManager.Radio.GetTmpAlias(i));
                 Thread.Sleep(50);
             }
         }
     }
 }