//...
static LayoutGroupControl GetParent(this ILayoutControl input, LayoutGroupControl parent = null)
{
if (parent == null)
{
if (ReferenceEquals(input.Root.Child, input))
{
return(null);
}
if (input.Root.Child is LayoutGroupControl i)
{
return(input.GetParent(i));
}
}
foreach (var i in parent.Children)
{
if (ReferenceEquals(i, input))
{
return(parent);
}
if (i is LayoutGroupControl j)
{
var result = input.GetParent(j);
if (result != null)
{
return(result);
}
}
}
return(null);
}
public static List <T> GetAll <T>(this ILayoutControl input, LayoutGroupControl parent = null) where T : Content
{
var result = new List <T>();
if (parent == null)
{
foreach (var i in GetAll <T>(input))
{
result.Add(i);
}
return(result);
}
foreach (var i in parent.Children)
{
foreach (var j in GetAll <T>(i as ILayoutControl))
{
result.Add(j);
}
}
return(result);
}
public static void EachControl <T>(this ILayoutControl input, Action <T> action, LayoutGroupControl parent = null) where T : LayoutContentGroupControl
{
if (parent == null)
{
EachControl(input, action);
return;
}
foreach (var i in parent.Children)
{
EachControl(i as ILayoutControl, action);
}
}