internal static void SetAnimation(DependencyObject obj, AnimationBase value)
{
obj.SetValue(AnimationProperty, value == null ? null : new WeakReference(value));
}
public static bool Play(Control target, string animationName, Action completeCallback, params object[] args)
{
if ((!GetIsAnimationEnabled(target) || !IsGlobalAnimationEnabled) ||
(VisualTreeHelper.GetChildrenCount(target) <= 0))
{
if (completeCallback != null)
{
completeCallback();
}
return(false);
}
var child = VisualTreeHelper.GetChild(target, 0) as FrameworkElement;
if (child != null)
{
var storyboard = child.Resources[animationName] as Storyboard;
if (storyboard == null)
{
var animationSelector = GetAnimationSelector(target);
if (animationSelector == null)
{
if (completeCallback != null)
{
completeCallback();
}
return(false);
}
var animation = animationSelector.SelectAnimation(target, animationName);
if (animation == null)
{
if (completeCallback != null)
{
completeCallback();
}
return(false);
}
storyboard = animation.CreateAnimation(target);
if (storyboard == null)
{
if (completeCallback != null)
{
completeCallback();
}
return(false);
}
storyboard.Completed += OnStoryboardCompleted;
SetAnimation(storyboard, animation);
child.Resources.Add(animationName, storyboard);
}
AnimationBase animation2 = GetAnimation(storyboard);
if (completeCallback != null)
{
AddCallback(storyboard, completeCallback);
}
if (storyboard.Children.Count > 0)
{
animation2.UpdateAnimation(target, storyboard, args);
}
storyboard.Begin();
}
return(true);
}
