public BaseFrameworkElement GetRelativeTargetElement(DocumentNodePath relativeEditingContainerPath)
{
if (relativeEditingContainerPath.ContainerNode != this.DocumentNode)
{
return((BaseFrameworkElement)null);
}
DocumentNodePath containerOwnerPath = relativeEditingContainerPath.GetContainerOwnerPath();
if (containerOwnerPath == null)
{
return((BaseFrameworkElement)null);
}
SetterSceneNode setterSceneNode = this.ViewModel.GetSceneNode(containerOwnerPath.Node) as SetterSceneNode;
if (setterSceneNode == null)
{
return(this.ViewModel.GetSceneNode(containerOwnerPath.Node) as BaseFrameworkElement);
}
IStoryboardContainer storyboardContainer = (IStoryboardContainer)this.ViewModel.GetSceneNode(containerOwnerPath.ContainerNode);
SceneNode sceneNode = storyboardContainer.ResolveTargetName(setterSceneNode.Target);
if (sceneNode == storyboardContainer)
{
return(storyboardContainer.TargetElement);
}
return(sceneNode as BaseFrameworkElement);
}
private void RecacheTargetElement()
{
this.Invalidate();
IStoryboardContainer storyboardContainer = this.StoryboardContainer;
if (storyboardContainer == null)
{
return;
}
this.cachedTargetAvalonElement = storyboardContainer.ResolveTargetName(this.TargetName);
this.cachedChangeStamp = this.ViewModel.ChangeStamp;
}