/// <summary>
/// Gets the parent element from the visual tree by given type.
/// </summary>
public static T ParentOfType <T>(this DependencyObject element) where T : DependencyObject
{
if (element == null)
{
return(null);
}
return(element.GetParents().OfType <T>().FirstOrDefault());
}
private static void OnVisibleChanged(DependencyObject dependencyObject, DependencyPropertyChangedEventArgs dependencyPropertyChangedEventArgs)
{
var parents = dependencyObject.GetParents();
foreach (DependencyObject parent in parents)
{
var l = parent as ListView;
if (l != null)
{
UpdateListView(l);
return;
}
}
}
/// <summary>
/// This recurse the visual tree for ancestors of a specific type.
/// </summary>
internal static IEnumerable <T> GetAncestors <T>(this DependencyObject element) where T : class
{
return(element.GetParents().OfType <T>());
}
