27 lines
746 B
C#
27 lines
746 B
C#
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using System;
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using System.Collections.Generic;
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using System.Windows.Controls;
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namespace WPFDark.Internals
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{
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public static class ItemsControlExtensions
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{
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internal static IEnumerable<T> EnumerateChildren<T>(this ItemsControl self)
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where T : ItemsControl
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{
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if (self is null)
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throw new ArgumentNullException(nameof(self));
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for (var i = 0; i < self.Items.Count; i++)
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{
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if (!(self.ItemContainerGenerator.ContainerFromIndex(i) is T item))
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continue;
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yield return item;
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foreach (var c in item.EnumerateChildren<T>())
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yield return c;
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}
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}
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}
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}
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