public bool DisConnect() { try { if (tdConn.Connected) { if (tdConn.ProjectConnected) { tdConn.DisconnectProject(); tdConn.ReleaseConnection(); } else { tdConn.ReleaseConnection(); } AutoLog.Info("AutoIntSys: Success to disconnect from QC."); return(true); } return(false); } catch { AutoLog.Info("AutoIntSys: Failed to disconnect from QC."); //Debug.Print("AutoIntSys:Failed to disconnect from QC."); return(false); } }