public void Traverse(DependencyObject root, Func <DependencyObject, VisualTraverseBehavior> filter, Action <DependencyObject> targetAction)
{
root.AssertParameterNotNull(nameof(root));
filter = filter ?? (o => VisualTraverseBehavior.Continue | VisualTraverseBehavior.TraverseChildren | VisualTraverseBehavior.Process);
targetAction = targetAction ?? (o => { });
TraversePrivate(root, filter, targetAction);
}
public static bool IsVisualChildOf(this DependencyObject dependencyObject, DependencyObject ancestor)
{
dependencyObject.AssertNotNull(nameof(dependencyObject));
ancestor.AssertParameterNotNull(nameof(ancestor));
var parent = dependencyObject;
while (true)
{
parent = parent.GetVisualParent();
if (parent == ancestor)
{
return(true);
}
if (parent == null)
{
return(false);
}
}
}
