Treeviewhelper usage, find child's UIElement

List<infowindow> infowindows = Treeviewhelper. Getchildobjects<infowindow> (Gridmap, "");

public class Treeviewhelper
{
Public T getparentobject<t> (DependencyObject obj, string name) where t:frameworkelement
{
DependencyObject parent = visualtreehelper.getparent (obj);

while (parent! = NULL)
{
if (Parent is T && ((T) parent). Name = = Name | String. IsNullOrEmpty (name)))
{
Return (T) parent;
}

Parent = visualtreehelper.getparent (parent);
}

return null;
}

Public T getchildobject<t> (DependencyObject obj, string name) where t:frameworkelement
{
DependencyObject child = null;
T grandchild = null;

for (int i = 0; I <= visualtreehelper.getchildrencount (obj)-1; i++)
{
Child = Visualtreehelper.getchild (obj, i);

if (Child is T && ((T) child). Name = = Name | String. IsNullOrEmpty (name)))
{
return (T) child;
}
Else
{
grandchild = getchildobject<t> (child, name);
if (grandchild! = null)
return grandchild;
}
}

return null;

}

Public list<t> getchildobjects<t> (DependencyObject obj, string name) where t:frameworkelement
{
DependencyObject child = null;
list<t> childlist = new list<t> ();

for (int i = 0; I <= visualtreehelper.getchildrencount (obj)-1; i++)
{
Child = Visualtreehelper.getchild (obj, i);

if (Child is T && ((T) child). Name = = Name | | String. IsNullOrEmpty (name)))
{
Childlist.add ((T) child);
}

Childlist.addrange (getchildobjects<t> (Child, ""));
}

return childlist;

}

}

Treeviewhelper usage, find UIElement for child