MainForm.cs:

protected override void Dispose( bool disposing )
{
...
}

#region Windows Form Designer generated code
...
#endregion

#region Declarations

Direct3D.Device device = null;

#endregion

public MainForm()
{
// Required for Windows Form Designer support
InitializeComponent();

Application.Idle += new EventHandler(OnApplicationIdle);
InitializeGraphics();
}

// The main entry point for the application.
[STAThread]
static void Main()
{
using(MainForm form = new MainForm())
Application.Run(form);
}

void OnApplicationIdle(object sender, EventArgs e)
{
while(IsApplicationIdle)
{
// Render a frame during idle time (no messages are waiting)
device.Clear(Direct3D.ClearFlags.ZBuffer | Direct3D.ClearFlags.Target, System.Drawing.Color.Blue, 1.0f, 0, null);
device.BeginScene();

device.EndScene();
device.Present();
}
}

bool IsApplicationIdle
{
get
{
NativeMethods.Message msg;
return !NativeMethods.PeekMessage(out msg, IntPtr.Zero, 0, 0, 0);
}
}

void InitializeGraphics()
{
device = new Direct3D.Device(GetAdapter(), GetDeviceType(), GetGraphicsWindow(), GetCreateFlags(),
GetPresentParameters());
}

int GetAdapter()
{
return 0;
}

Direct3D.DeviceType GetDeviceType()
{
return Direct3D.DeviceType.Hardware;
}

System.Windows.Forms.Control GetGraphicsWindow()
{
return this;
}

Direct3D.CreateFlags GetCreateFlags()
{
return Direct3D.CreateFlags.SoftwareVertexProcessing;
}

Direct3D.PresentParameters GetPresentParameters()
{
Direct3D.PresentParameters presentParameters = new Direct3D.PresentParameters();
presentParameters.Windowed = true;
presentParameters.EnableAutoDepthStencil = true;
presentParameters.AutoDepthStencilFormat = Direct3D.DepthFormat.D16;
presentParameters.PresentationInterval = Direct3D.PresentInterval.Immediate;
presentParameters.BackBufferFormat = Direct3D.Format.Unknown;
presentParameters.SwapEffect = Direct3D.SwapEffect.Discard;

return presentParameters;
}
}
}




NativeMethods.cs: