/// <summary> /// Set room state /// </summary> /// <param name="volume"></param> /// <returns></returns> public async Task SetRommState(string roomUdn, bool isActive) { if (zoneViewModelRenderer == null) { return; } ServiceActionReturnMessage message; if (isActive) { message = await zoneViewModelRenderer.LeaveStandby(roomUdn); } else { message = await zoneViewModelRenderer.EnterManualStandby(roomUdn); } }