System.Windows.Forms.HexBox.PaintCurrentByteSign C# (CSharp) Method

        void PaintCurrentByteSign(Graphics g, Rectangle rec)
        {
            // stack overflowexception on big files - workaround
            if(rec.Top < 0 || rec.Left < 0 || rec.Width <= 0 || rec.Height <= 0)
                return;

            Bitmap myBitmap = new Bitmap(rec.Width, rec.Height);
            Graphics bitmapGraphics = Graphics.FromImage(myBitmap);

            SolidBrush greenBrush = new SolidBrush(_shadowSelectionColor);

            bitmapGraphics.FillRectangle(greenBrush, 0,
                0, rec.Width, rec.Height);

            g.CompositingQuality = System.Drawing.Drawing2D.CompositingQuality.GammaCorrected;

            g.DrawImage(myBitmap, rec.Left, rec.Top);
        }