Kujian - SplitPage.xaml.cs (STOP ボタン)

SplitPage.xaml.cs

private async void Button_Click_2(object sender, RoutedEventArgs e)
{
    _isContinue = false;
    while (!_isBreaking)
        await Task.Delay(50);

    itemListView.Background = new SolidColorBrush(Colors.DarkGray);


    int remain = 5000;
    int span = 50;
    var rnd = new Random();

    while(remain > 0)
    {
        await Task.Delay(span);
        SelectNext();

        remain -= span;
        span = (int)(span * (1.0 + rnd.NextDouble()));
    }


    // ここで音を出したかった!!        
            

    var orgColor = itemListView.Background;
    var hiColor =  new SolidColorBrush(Colors.Red);

    for (int i = 0; i < 3; i++)
    {
        itemListView.Background = orgColor;
        await Task.Delay(150);
        itemListView.Background = hiColor;
        await Task.Delay(150);
    }
    itemListView.Background = new SolidColorBrush(Colors.WhiteSmoke);

    _isBreaking = false;
}