private static bool IsPartOfTemplate(ViewItem parent, ViewItem childToCheck)
{
if (parent == (ViewItem)null || childToCheck == (ViewItem)null || !childToCheck.IsDescendantOf(parent))
{
return(false);
}
foreach (ViewItem ancestor in parent.LogicalChildren)
{
if (ancestor == childToCheck || childToCheck.IsDescendantOf(ancestor))
{
return(false);
}
}
return(true);
}
private static bool IsAdornableElement(DesignerView view, ViewItem element)
{
if (element != (ViewItem)null)
{
return(element.IsDescendantOf((Visual)view));
}
return(false);
}
internal static Transform GetTransformToAncestor(ViewItem childOrDescendant, ViewItem ancestor)
{
if (ancestor == (ViewItem)null)
{
throw new ArgumentNullException("ancestor");
}
if (childOrDescendant == (ViewItem)null)
{
throw new ArgumentNullException("childOrDescendant");
}
return((childOrDescendant.IsDescendantOf(ancestor) ? childOrDescendant.TransformToView(ancestor) as Transform : (Transform)null) ?? Transform.Identity);
}