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

		private int LastVisibleItem ()
		{
			Rectangle item_rect;
			int top_y = items_area.Y + items_area.Height;
			int i = 0;

			if (top_index >= Items.Count)
				return top_index;

			for (i = top_index; i < Items.Count; i++) {
				item_rect = GetItemDisplayRectangle (i, top_index);
				if (MultiColumn) {
					if (item_rect.X > items_area.Width)
						return i - 1;
				} else {
					if (item_rect.Y + item_rect.Height > top_y)
						return i;
				}
			}
			return i - 1;
		}