private void TestClick(object obj)
        {
            var viewModel = new StopWindowViewModel();

            viewModel.AlarmSongUrl = alarmSongUrl;
            viewModel.AlarmOnSound();
            OpenStopWindow();
        }
        private void OpenStopWindow()
        {
            StopWindow chldWindow = new StopWindow();
            var        viewModel  = new StopWindowViewModel();

            viewModel.AlarmSongUrl = alarmSongUrl;
            viewModel.Message      = alarm.Message;
            chldWindow.DataContext = viewModel;
            viewModel.AlarmOnSound();
            chldWindow.Show();
        }