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28 lines
758 B
C#
28 lines
758 B
C#
Is Logical Ancestor Of
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.Windows;
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using System.Windows.Media;
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public static class PopupHelper
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{
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public static bool IsLogicalAncestorOf(this UIElement ancestor, UIElement child)
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{
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if (child != null)
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{
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FrameworkElement obj = child as FrameworkElement;
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while (obj != null)
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{
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FrameworkElement parent = VisualTreeHelper.GetParent(obj) as FrameworkElement;
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obj = parent == null ? obj.Parent as FrameworkElement : parent as FrameworkElement;
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if (obj == ancestor) return true;
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}
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}
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return false;
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}
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}
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