System.Windows.Controls.VirtualizingStackPanel.OnClearChildren C# (CSharp) Method

		protected override void OnClearChildren ()
		{
			base.OnClearChildren ();
			
			HorizontalOffset = 0;
			VerticalOffset = 0;
			ViewportHeight = 0;
			ViewportWidth = 0;
			ExtentHeight = 0;
			ExtentWidth = 0;
			
			InvalidateMeasure ();
			
			if (ScrollOwner != null)
				ScrollOwner.InvalidateScrollInfo ();
		}