System.Windows.Forms.ListBox.RefreshItem C# (CSharp) Method

		protected override void RefreshItem (int index)
		{
			if (index < 0 || index >= Items.Count)
				throw new ArgumentOutOfRangeException ("Index of out range");
				
			if (draw_mode == DrawMode.OwnerDrawVariable)
				item_heights.Remove (Items [index]);
		}