TD3DViewport

type TD3DViewport = packed record

  dwSize: DWORD;

  dwX: DWORD;

  dwY: DWORD;

  dwWidth: DWORD;

  dwHeight: DWORD;

  dvScaleX: TD3DValue;

  dvScaleY: TD3DValue;

  dvMaxX: TD3DValue;

  dvMaxY: TD3DValue;

  dvMinZ: TD3DValue;

  dvMaxZ: TD3DValue;

end;