Drawing a Gradient Background for a Control

using System;
using System.Windows.Forms;
using System.Drawing;
using System.Drawing.Drawing2D;

namespace DevDistrict.Sample
{
public class GradientPanel : System.Windows.Forms.Panel
{
protected override void OnPaint(PaintEventArgs e)
{
base.OnPaint (e);
Graphics g = e.Graphics;
g.SmoothingMode = SmoothingMode.HighQuality;
GraphicsPath gPath = new GraphicsPath();
Rectangle r = new Rectangle(0,0,this.Width,this.Height);
gPath.AddRectangle(r);
LinearGradientBrush lb = new LinearGradientBrush(r,Color.White,Color.Blue,LinearGradientMode.Vertical);
g.FillPath(lb,gPath);
}
}
}