Hello,
Add an event handler for ValueChanged in the xaml:
<slider x:name="slider" valuechanged="Slider_ValueChanged" />
Check the slider value in the code behind:
private void Slider_ValueChanged(object sender, RoutedPropertyChangedEventArgs<double> e)
{
if (e.NewValue < 3 | e.NewValue > 7)
slider.Value = e.OldValue;
}
Valery.