using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Media;
namespace K.Controls.Controls.Helper
{
public class GetChildHelper
{
public static T GetVisualChild<T>(object parent) where T : Visual
{
DependencyObject dependencyObject = parent as DependencyObject;
return InternalGetVisualChild<T>(dependencyObject);
}
private static T InternalGetVisualChild<T>(DependencyObject parent) where T : Visual
{
T child = default(T);
int numVisuals = VisualTreeHelper.GetChildrenCount(parent);
for (int i = 0; i < numVisuals; i++)
{
Visual v = (Visual)VisualTreeHelper.GetChild(parent, i);
child = v as T;
if (child == null)
{
child = GetVisualChild<T>(v);
}
if (child != null)
{
break;
}
}
return child;
}
public static T FindVisualParent<T>(DependencyObject obj) where T : class
{
while (obj != null)
{
if (obj is T)
return obj as T;
obj = VisualTreeHelper.GetParent(obj);
}
return null;
}
}
}