public static void RemoveFromParent(this FrameworkElement elem)
{
if (elem.Parent == null)
{
return;
}
try
{
ContentX contentProv = new ContentX(elem.Parent);
var content = contentProv.Content;
if (content is UIElement)
{
contentProv.Content = null;
}
if (content is UIElementCollection)
{
((UIElementCollection)content).Remove(elem);
}
else
{
throw new Exception("unknown parent type");
}
}
catch (Exception exep)
{
throw new Exception("can't solve RemoveFromParent", exep);
}
}
public static IEnumerable <T> GetChildren <T>(this FrameworkElement elem) where T : DependencyObject
{
ContentX content = new ContentX(elem);
if (content.Content != null)
{
var enumer = content.Content as IEnumerable;
if (enumer != null)
{
foreach (var item in enumer)
{
if (item is T)
{
yield return(item as T);
}
}
}
else
{
if (content.Content is T)
{
yield return(content.Content as T);
}
}
}
}