public void Begin(FrameworkElement containingObject, INameScope nameScope = null, HandoffBehavior handoffBehavior = HandoffBehavior.SnapshotAndReplace, object layerOwner = null)
{
Stop(containingObject);
TimelineClock clock = CreateClock();
clock.Begin(((IAnimatable)containingObject).RootClock);
clocks[containingObject] = clock;
ListDictionary <TargetKey, AnimationTimelineClock> targets = GetAnimationClocksTargets(clock, containingObject, nameScope ?? NameScope.GetContainingNameScope(containingObject));
foreach (TargetKey target in targets.GetKeys())
{
target.Target.ApplyAnimationClocks(target.TargetProperty, targets.GetValues(target), handoffBehavior, layerOwner);
}
}
private void GetAnimationClocksTargets(TimelineClock clock, FrameworkElement containingObject, INameScope nameScope, ref ListDictionary <TargetKey, AnimationTimelineClock> targets)
{
AnimationTimelineClock animationClock = clock as AnimationTimelineClock;
if (animationClock != null)
{
TargetKey target = GetClockTarget(animationClock, containingObject, nameScope);
if (target != null)
{
targets.Add(target, animationClock);
}
}
TimelineGroupClock clockGroup = clock as TimelineGroupClock;
if (clockGroup != null)
{
foreach (TimelineClock child in clockGroup.Children)
{
GetAnimationClocksTargets(child, containingObject, nameScope, ref targets);
}
}
}
private void GetAnimationClocksTargets(TimelineClock clock, FrameworkElement containingObject, INameScope nameScope, ref ListDictionary<TargetKey, AnimationTimelineClock> targets)
{
AnimationTimelineClock animationClock = clock as AnimationTimelineClock;
if (animationClock != null)
{
TargetKey target = GetClockTarget(animationClock, containingObject, nameScope);
if (target != null)
{
targets.Add(target, animationClock);
}
}
TimelineGroupClock clockGroup = clock as TimelineGroupClock;
if (clockGroup != null)
{
foreach (TimelineClock child in clockGroup.Children)
{
GetAnimationClocksTargets(child, containingObject, nameScope, ref targets);
}
}
}
// collect inner animations clocks that define Storyboard.Target, Storyboard.TargetName, or Storyboard.TargetProperty
private ListDictionary <TargetKey, AnimationTimelineClock> GetAnimationClocksTargets(TimelineClock clock, FrameworkElement containingObject, INameScope nameScope)
{
ListDictionary <TargetKey, AnimationTimelineClock> targets = new ListDictionary <TargetKey, AnimationTimelineClock>();
GetAnimationClocksTargets(clock, containingObject, nameScope, ref targets);
return(targets);
}
// collect inner animations clocks that define Storyboard.Target, Storyboard.TargetName, or Storyboard.TargetProperty
private ListDictionary<TargetKey, AnimationTimelineClock> GetAnimationClocksTargets(TimelineClock clock, FrameworkElement containingObject, INameScope nameScope)
{
ListDictionary<TargetKey, AnimationTimelineClock> targets = new ListDictionary<TargetKey, AnimationTimelineClock>();
GetAnimationClocksTargets(clock, containingObject, nameScope, ref targets);
return targets;
}