System.Windows.Forms.ThemeWin32Classic.DrawInnerFocusRectangle C# (CSharp) Method

		public virtual void DrawInnerFocusRectangle(Graphics graphics, Rectangle rectangle, Color backColor)
		{	
			// make a rectange to trace around border of the button
			Rectangle trace_rectangle = new Rectangle(rectangle.X, rectangle.Y, Math.Max (rectangle.Width-1, 0), Math.Max (rectangle.Height-1, 0));
			
#if NotUntilCairoIsFixed
			Color colorBackInverted = Color.FromArgb (Math.Abs (backColor.R-255), Math.Abs (backColor.G-255), Math.Abs (backColor.B-255));
			DashStyle oldStyle; // used for caching old penstyle
			Pen pen = ResPool.GetPen (colorBackInverted);

			oldStyle = pen.DashStyle; 
			pen.DashStyle = DashStyle.Dot;

			graphics.DrawRectangle (pen, trace_rectangle);
			pen.DashStyle = oldStyle;
#else
			CPDrawFocusRectangle(graphics, trace_rectangle, Color.Wheat, backColor);
#endif
		}