public static void DrawInsertIndicatorV(int x, int y, int height, Graphics g, Color c)
{
x -= 3;
y -= 2;
ControlPaint.FillReversibleRectangle(new Rectangle(x, y, 7, 2), c);
ControlPaint.FillReversibleRectangle(new Rectangle(x + 1, y + 2, 5, height), c);
ControlPaint.FillReversibleRectangle(new Rectangle(x, height + 2 + y, 7, 2), c);
}