using System.Windows.Forms; 
    using Drawing3d;
    namespace Sample
    {
    public partial class Form1 : Form
    {
    MyDevice Device = new MyDevice();
    public Form1()
    {
    InitializeComponent();
    Device.WinControl = this;
    }
    }
    public class MyDevice:OpenGlDevice
    {
    public override void OnPaint()
    {
    base.OnPaint();
    drawSphere(3);
    }
    }
    }