 private void Form2_Paint(object sender, PaintEventArgs e)
   {
       Graphics graphicsObject = e.Graphics; // get graphics
       // create text brush
       SolidBrush textBrush = new SolidBrush(Color.Black);
       // create solid brush
       SolidBrush brush = new SolidBrush(Color.White);
       // draw white background
       graphicsObject.FillRectangle(brush, 4, 4, 275, 150);
       // display name of behindColor
       // set brush color and display back rectangle
       brush.Color = behindColor;
       graphicsObject.FillRectangle(brush, 45, 10, 150, 110);
       // set brush color and display front rectangle
       // display Argb values of front color
       graphicsObject.DrawString("Alpha: " + frontColor.A + ", Red: " + frontColor.R + ", Green: " + frontColor.G + ", Blue: " + frontColor.B, this.Font, textBrush, 55, 165);
       brush.Color = frontColor;
       graphicsObject.FillRectangle(brush, 65, 25, 170, 120);
   }
