Drawing Graphics in Titlebar in Windows 7

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using System.Runtime.InteropServices;

namespace WindowsFormsApplication1
{
	public partial class Form1 : Form
	{
		public Form1() {
			InitializeComponent();
		}

		[DllImport("user32.dll")]
		static extern int ReleaseDC(IntPtr hWnd, IntPtr hDC);

		[DllImport("User32.dll")]

		private static extern IntPtr GetWindowDC(IntPtr hWnd);

		protected override void WndProc(ref System.Windows.Forms.Message m) {
			
			const int WM_NCPAINT = 0x85;
			const int WM_NCCREATE = 0x0081;
			const int WM_NCCALCSIZE = 0x0083;
			const int WM_NCACTIVATE = 0x0086;

			SolidBrush myBrush;

			base.WndProc(ref m);
			if (m.Msg == WM_NCACTIVATE || m.Msg == WM_NCPAINT || m.Msg == WM_NCCREATE || m.Msg == WM_NCCALCSIZE) {
				IntPtr hdc = GetWindowDC(m.HWnd);
				if ((int)hdc != 0) {
					Graphics g = Graphics.FromHdc(hdc);

					myBrush = new SolidBrush(SystemColors.ActiveCaption);
					Pen myPen = new Pen(myBrush, 5);
					
					myBrush = new SolidBrush(Color.FromArgb(255, 255, 0, 0));
					g.FillRectangle(myBrush, 0, 0, 150, SystemInformation.CaptionHeight); 

					myBrush = new SolidBrush(Color.FromArgb(120, 255, 0, 0));
					myPen = new Pen(myBrush, 2);
					g.DrawRectangle(myPen, 0, 1, 150, SystemInformation.CaptionHeight);

					myBrush = new SolidBrush(Color.FromArgb(255, 255, 0, 0));
					g.FillEllipse(myBrush, 150 - 20, 0, 30, SystemInformation.CaptionHeight); 

					myBrush = new SolidBrush(Color.FromArgb(80, 255, 0, 0));
					g.FillEllipse(myBrush, 150 - 17, 1, 30, SystemInformation.CaptionHeight + 1); 

					myBrush = new SolidBrush(Color.FromArgb(150, 255, 0, 0));
					myPen = new Pen(myBrush, SystemInformation.FrameBorderSize.Width * 2);
					g.DrawRectangle(myPen, 0, 0, this.Width, this.Height);


					myBrush = new SolidBrush(Color.White);
					Font myFont = new Font(new FontFamily("Arial"), 18, FontStyle.Bold, GraphicsUnit.Pixel);
					g.DrawString("Some Text", myFont, myBrush, 5, 3);

					g.Flush();
					ReleaseDC(m.HWnd, hdc);
				}
			}

		}


	}
}