/// <summary>Adds the specified <see cref="T:System.Windows.UIElement" /> to the <see cref="P:System.Windows.Controls.Panel.InternalChildren" /> collection of a <see cref="T:System.Windows.Controls.VirtualizingPanel" /> element.</summary> /// <param name="child">The <see cref="T:System.Windows.UIElement" /> child to add to the collection.</param> // Token: 0x06005A28 RID: 23080 RVA: 0x0018D764 File Offset: 0x0018B964 protected void AddInternalChild(UIElement child) { VirtualizingPanel.AddInternalChild(base.InternalChildren, child); }