programming-examples/c-sharp/Others/Find children.cs
2019-11-15 12:59:38 +01:00

49 lines
1.3 KiB
C#

Find children
using System;
using System.Collections.Generic;
using System.Net;
using System.Windows;
using System.Windows.Browser;
using System.Windows.Controls;
using System.Windows.Documents;
using System.Windows.Ink;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Animation;
using System.Windows.Shapes;
public class UIHelper
{
private static IEnumerable<T> FindChildren<T>(DependencyObject parent) where T : class
{
var count = VisualTreeHelper.GetChildrenCount(parent);
if (count > 0)
{
for (var j = 0; j < count; j++)
{
var child = VisualTreeHelper.GetChild(parent, j);
var t = child as T;
if (t != null)
yield return t;
var children = FindChildren<T>(child);
foreach (var item in children)
yield return item;
}
}
}
public static void SetDataContext<T>(DependencyObject parent, T dataContext) where T : class
{
var textBoxes = FindChildren<TextBox>(parent);
foreach (var item in textBoxes)
{
item.DataContext = dataContext;
}
}
}