private void FullscreenVideoTransportOsd_Loaded(object sender, RoutedEventArgs e)
{
// The silder has IsMoveToPointEnabled=true, which means it moves the thumb when we click the mouse, which also set handled to true
// so we can't get the event. We need to turn event on so we can tell the slider to ignore position tick property notifications until
// we get a mouse up and update the slider position. So we use AddHanlder, so we can catch handled events
if (_previewMouseDown == null)
{
_previewMouseDown = new MouseButtonEventHandler(CurrentPositionSlider_PreviewMouseDown);
CurrentPositionSlider.AddHandler(PreviewMouseDownEvent, _previewMouseDown, true);
}
}
private void FullscreenVideoTransportOsd_Unloaded(object sender, RoutedEventArgs e)
{
CurrentPositionSlider.RemoveHandler(PreviewMouseDownEvent, _previewMouseDown);
_previewMouseDown = null;
var vm = ViewModel;
if (vm != null)
{
vm.PropertyChanged -= vm_PropertyChanged;
}
}
