private static void onSliderValueChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
{
MySlider ms = d as MySlider;
if (ms != null)
{
ms.setSliderValue((int)e.NewValue);
}
}
async void myslider_SliderChanged(object sender, MySlider.SliderChangedEventArgs e)
{
var md = new Windows.UI.Popups.MessageDialog(e.Value.ToString());
await md.ShowAsync();
}