SVN Code Disables Windows7 Aero

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 OpenTK;
using OpenTK.Graphics.OpenGL;
using System.Diagnostics;
 
namespace GLApp
{
    public partial class GLApp : Form
    {
        bool bIsLoaded = false;
        int x = 0, y = 0;
        float rotation = 0;
        Stopwatch sw = new Stopwatch(); // available to all event handlers
        double accumulator = 0;
        int idleCounter = 0;
 
        public GLApp()
        {
            InitializeComponent();
        }
 
        private void glControl1_Load(object sender, EventArgs e)
        {
            bIsLoaded = true;
            GL.ClearColor(Color.SkyBlue); // Yey! .NET Colors can be used directly!
            SetupViewport();
            Application.Idle += new EventHandler(Application_Idle);
            sw.Start(); // start at application boot
            x = glControl1.Width / 2;
            y = glControl1.Height / 2;
        }
 
        void Application_Idle(object sender, EventArgs e)
        {
            double milliseconds = ComputeTimeSlice();
            Accumulate(milliseconds);
            Animate(milliseconds);
        }
 
        private double ComputeTimeSlice()
        {
            sw.Stop();
            double timeslice = sw.Elapsed.TotalMilliseconds;
            sw.Reset();
            sw.Start();
            return timeslice;
        }
 
        private void Animate(double milliseconds)
        {
            float deltaRotation = (float)milliseconds / 20.0f;
            rotation += deltaRotation;
            glControl1.Invalidate();
        }
 
        private void glControl1_Resize(object sender, EventArgs e)
        {
            if (!bIsLoaded)
                return;
 
            SetupViewport();
            glControl1.Invalidate();
        }
 
        private void Accumulate(double milliseconds)
        {
            idleCounter++;
            accumulator += milliseconds;
            if (accumulator > 1000)
            {
                toolStripStatusLabel1.Text = String.Format("FPS: {0} X: {1} Y: {2}", idleCounter.ToString(), x, y);
                accumulator -= 1000;
                idleCounter = 0; // don't forget to reset the counter!
            }
        }
 
        private void Render()
        {
            if (!bIsLoaded) // Play nice
                return;
 
            GL.Clear(ClearBufferMask.ColorBufferBit | ClearBufferMask.DepthBufferBit);
 
            GL.MatrixMode(MatrixMode.Modelview);
            GL.LoadIdentity();
 
            GL.Translate(x, y, 0); // position triangle according to our x variable
            if (glControl1.Focused)
                GL.Color3(Color.Yellow);
            else
                GL.Color3(Color.Blue);
            GL.Rotate(rotation, Vector3.UnitZ); // OpenTK has this nice Vector3 class!
 
            GL.Begin(BeginMode.Triangles);
            GL.Vertex2(10, 20);
            GL.Vertex2(100, 20);
            GL.Vertex2(100, 50);
            GL.End();
 
            glControl1.SwapBuffers();
        }
 
        private void glControl1_Paint(object sender, PaintEventArgs e)
        {
            Render();
        }
 
        private void SetupViewport()
        {
            int w = glControl1.Width;
            int h = glControl1.Height;
            GL.MatrixMode(MatrixMode.Projection);
            GL.LoadIdentity();
            GL.Ortho(0, w, 0, h, -1, 1); // Bottom-left corner pixel has coordinate (0, 0)
            GL.Viewport(0, 0, w, h); // Use all of the glControl painting area
        }
 
        private void glControl1_KeyDown(object sender, KeyEventArgs e)
        {
            if (e.KeyCode == Keys.W)
                y++;
            if (e.KeyCode == Keys.S)
                y--;
            if (e.KeyCode == Keys.D)
                x++;
            if (e.KeyCode == Keys.A)
                x--;
            glControl1.Invalidate();
        }
    }
}