ZForge.Controls.TreeViewAdv.Tree.TreeColumn.DrawSortMark C# (CSharp) Method

        private void DrawSortMark(Graphics gr, Rectangle bounds, int x)
        {
            int y = bounds.Y + bounds.Height / 2 - 2;
            x = Math.Max(x, bounds.X + SortOrderMarkMargin);

            int w2 = SortMarkSize.Width / 2;
            if (SortOrder == SortOrder.Ascending)
            {
                Point[] points = new Point[] { new Point(x, y), new Point(x + SortMarkSize.Width, y), new Point(x + w2, y + SortMarkSize.Height) };
                gr.FillPolygon(SystemBrushes.ControlDark, points);
            }
            else if (SortOrder == SortOrder.Descending)
            {
                Point[] points = new Point[] { new Point(x - 1, y + SortMarkSize.Height), new Point(x + SortMarkSize.Width, y + SortMarkSize.Height), new Point(x + w2, y - 1) };
                gr.FillPolygon(SystemBrushes.ControlDark, points);
            }
        }