public static List <FrameworkElement> FindInTree(Visual parent, IFinderMatchVisualHelper helper)
{
List <FrameworkElement> list = new List <FrameworkElement>();
WpfHelper.FindUpInTree(list, parent, null, helper);
return(list);
}
public static FrameworkElement SingleFindInTree(Visual parent, IFinderMatchVisualHelper helper)
{
helper.FindFirst = true;
List <FrameworkElement> list = WpfHelper.FindInTree(parent, helper);
if (list.Count > 0)
{
return(list[0]);
}
return(null);
}
public static void FindUpInTree(List <FrameworkElement> lst, Visual parent, Visual ignore, IFinderMatchVisualHelper helper)
{
if (helper.DoesMatch(parent))
{
lst.Add((FrameworkElement)parent);
}
if (!(lst.Count > 0 && helper.FindFirst) && parent is FrameworkElement element)
{
FrameworkElement nParent = (FrameworkElement)element.Parent;
if (nParent == null || nParent == element)
{
nParent = (FrameworkElement)element.TemplatedParent;
}
if (nParent != null && nParent != element)
{
WpfHelper.FindUpInTree(lst, nParent, element, helper);
}
}
}
public static FrameworkElement FindElementOfTypeUp(Visual parent, Type ty) => WpfHelper.SingleFindInTree(parent, new FinderMatchType(ty));
