80 lines
2.0 KiB
C#
80 lines
2.0 KiB
C#
using System.Windows.Media;
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using System.Windows;
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namespace ExtendedGrid.Classes
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{
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public static class Helper
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{
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#region GetVisualChild
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public static T GetVisualChild<T>(Visual parent) where T : Visual
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{
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T child = default(T);
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int numVisuals = VisualTreeHelper.GetChildrenCount(parent);
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for (int i = 0; i < numVisuals; i++)
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{
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var v = (Visual)VisualTreeHelper.GetChild(parent, i);
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child = v as T ?? GetVisualChild<T>(v);
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if (child != null)
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{
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break;
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}
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}
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return child;
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}
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#endregion GetVisualChild
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#region FindVisualParent
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public static T FindVisualParent<T>(UIElement element) where T : UIElement
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{
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UIElement parent = element;
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while (parent != null)
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{
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var correctlyTyped = parent as T;
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if (correctlyTyped != null)
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{
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return correctlyTyped;
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}
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parent = VisualTreeHelper.GetParent(parent) as UIElement;
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}
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return null;
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}
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#endregion FindVisualParent
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#region FindPartByName
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public static DependencyObject FindPartByName(DependencyObject ele, string name)
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{
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if (ele == null)
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{
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return null;
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}
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if (name.Equals(ele.GetValue(FrameworkElement.NameProperty)))
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{
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return ele;
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}
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var numVisuals = VisualTreeHelper.GetChildrenCount(ele);
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for (var i = 0; i < numVisuals; i++)
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{
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DependencyObject vis = VisualTreeHelper.GetChild(ele, i);
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DependencyObject result;
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if ((result = FindPartByName(vis, name)) != null)
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{
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return result;
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}
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}
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return null;
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}
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#endregion FindPartByName
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}
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}
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