private void BeginTilting(FrameworkElement element, PointerRoutedEventArgs args)
{
FrameworkElement elementToTilt = GetElementToTilt(element);
if (this.currentTiltContext != null)
{
this.EndTilting(false);
}
Point origin = args.GetCurrentPoint(elementToTilt).Position;
this.currentTiltContext = new TiltInteractionInfo(elementToTilt, this.CreateResetAnimation(elementToTilt, elementToTilt));
elementToTilt.Unloaded += this.OnElementToTilt_Unloaded;
elementToTilt.PointerCaptureLost += this.OnElementToTilt_PointerCaptureLost;
this.AttachRootVisualEvents();
this.ApplyTilt(this.currentTiltContext.TargetElement, origin);
}
private void EndTilting(bool animate)
{
// no currently tilted element
if (this.currentTiltContext == null)
{
return;
}
this.currentTiltContext.TargetElement.Unloaded -= this.OnElementToTilt_Unloaded;
this.currentTiltContext.TargetElement.PointerCaptureLost -= this.OnElementToTilt_PointerCaptureLost;
this.DetachRootVisualEvents();
this.currentTiltContext.State = TiltInteractionState.EndingTilting;
this.currentTiltContext.Clear(animate);
if (!animate)
{
this.currentTiltContext = null;
}
}