FastColoredTextBoxNS.ShortcutStyle.Draw C# (CSharp) Method

        public override void Draw(Graphics gr, Point position, Range range)
        {
            //get last char coordinates
            Point p = range.tb.PlaceToPoint(range.End);
            //draw small square under char
            Rectangle rect = new Rectangle(p.X - 5, p.Y + range.tb.CharHeight - 2, 4, 3);
            gr.FillPath(Brushes.White, GetRoundedRectangle(rect, 1));
            gr.DrawPath(borderPen, GetRoundedRectangle(rect, 1));
            //add visual marker for handle mouse events
            AddVisualMarker(range.tb, new StyleVisualMarker(new Rectangle(p.X - range.tb.CharWidth, p.Y, range.tb.CharWidth, range.tb.CharHeight), this));
        }