ColorProgressBar

using System;
using System.Drawing;
using System.Windows.Forms;


public class ColorProgressBar : ProgressBar
{
        public ColorProgressBar()
        {


            base.SetStyle(ControlStyles.UserPaint |
                ControlStyles.AllPaintingInWmPaint |
                ControlStyles.OptimizedDoubleBuffer, true);
        }

        protected override void OnPaint(PaintEventArgs e)
        {
            Brush backBrush = new SolidBrush(this.BackColor);
            Brush foreBrush = new SolidBrush(this.ForeColor);


            e.Graphics.FillRectangle(backBrush, this.ClientRectangle);


            int chunksWidth = (int)(
                (double)this.ClientSize.Width *
                (double)(this.Value - this.Minimum) /
                (double)(this.Maximum - this.Minimum));
            Rectangle chunksRect = new Rectangle(0, 0,
                chunksWidth, this.ClientSize.Height);

            e.Graphics.FillRectangle(foreBrush, chunksRect);

            backBrush.Dispose();
            foreBrush.Dispose();
        }
}