public void Show()
{
if (Element.Visibility == Visible)
{
return;
}
var finalPosition = GetAnchorSideOffset();
var sb = CreateStoryboard(EntranceAnimation, finalPosition);
if (sb == null)
{
return;
}
sb.Completed += (obj, args) =>
{
_animating = false;
ShowCallback?.Invoke();
};
Element.Visibility = Visible;
Element.UpdateLayout();
UpdateScaling();
OverlayAnimationUtils.GetCanvasSetter(AnchorSide)?.Invoke(Element, GetHiddenOffset());
_animating = true;
sb.Begin();
}
private Storyboard CreateStoryboard(AnimationType type, double to)
{
var animation = OverlayAnimationUtils.GetAnimation(type, to);
if (animation == null)
{
return(null);
}
Storyboard.SetTargetProperty(animation, new PropertyPath($"(Canvas.{AnchorSide})"));
Storyboard.SetTarget(animation, Element);
var sb = new Storyboard();
sb.Children.Add(animation);
return(sb);
}