// Center of button is X=11, Y=11 (in 0-index) int center = 11; int offset = 4; // Draw the '' line e.Graphics.DrawLine(Pens.White, center - offset, center - offset, center + offset, center + offset); // Draw the '/' line e.Graphics.DrawLine(Pens.White, center + offset, center - offset, center - offset, center + offset); In WPF, you don't draw pixels; you draw vectors. To get that "scratch" look, you need to disable native window styling ( WindowStyle="None" ) and build the caption buttons using Path geometries.

// The Glow (Inner shadow) DrawInnerGlow(graphics, buttonRect, Color.FromArgb(120, Color.White), 1);

Don't use DrawString("X") . Fonts are never perfectly centered. Use DrawLine .