void UpdateLastClickWasTouch()
{
if (_target != null)
{
AttachedProperties.SetLastClickWasTouch(AssociatedObject, AttachedProperties.GetLastClickWasTouch(_target));
}
}
protected override void OnAttached()
{
base.OnAttached();
DependencyPropertyDescriptor.FromProperty(FrameworkElement.ContextMenuProperty, typeof(FrameworkElement)).AddValueChanged(AssociatedObject, UpdateContextMenu);
UpdateEventHandlers();
if (AssociatedObject.ContextMenu != null)
{
AttachedProperties.SetLastClickWasTouch(AssociatedObject, AttachedProperties.GetLastClickWasTouch(AssociatedObject.ContextMenu));
}
}
private void AssociatedObject_PreviewMouseDown(object sender, MouseButtonEventArgs e)
{
if (e.OriginalSource is UIElement srcUiel)
{
AttachedProperties.SetLastClickWasTouch(AssociatedObject, srcUiel.AreAnyTouchesOver);
Debug.WriteLine("AssociatedObject_PreviewMouseDown, " + AttachedProperties.GetLastClickWasTouch(AssociatedObject).ToString());
}
else
{
Debug.WriteLine("AssociatedObject_PreviewMouseDown, null");
}
}