public static T FindParent <T>(DependencyObject startingObject, bool checkStartingObject, Func <T, bool> additionalCheck) where T : DependencyObject
{
T foundElement;
DependencyObject parent = (checkStartingObject ? startingObject : TreeHelper.GetParent(startingObject, true));
while (parent != null)
{
foundElement = parent as T;
if (foundElement != null)
{
if (additionalCheck == null)
{
return(foundElement);
}
else
{
if (additionalCheck(foundElement))
{
return(foundElement);
}
}
}
parent = TreeHelper.GetParent(parent, true);
}
return(null);
}
public static bool IsDescendantOf(DependencyObject element, DependencyObject parent, bool recurseIntoPopup)
{
while (element != null)
{
if (element == parent)
{
return(true);
}
element = TreeHelper.GetParent(element, recurseIntoPopup);
}
return(false);
}
public static DependencyObject GetParent(DependencyObject element)
{
return(TreeHelper.GetParent(element, true));
}
