private void OnResetDevice( object sender, EventArgs e )
{
XFG.GraphicsDevice resetDevice = (XFG.GraphicsDevice)sender;
// Turn off culling, so we see the front and back of the triangle
resetDevice.RasterizerState.CullMode = XFG.CullMode.None;
// Turn on the ZBuffer
//resetDevice.RenderState.ZBufferEnable = true;
//resetDevice.RenderState.Lighting = true; //make sure lighting is enabled
}