The TDirectDrawSurface3 is a descendent of TDirectDrawSurface2. It encapsulates the IDirectDrawSurface3 interface, which is accessible through the Interface3 property.
This requires at least version 5 of DirectX installed.
DDirectDraw
| Caps | Interface2 | Owner |
| Clipper | Interface3 | Palette |
| Direct3DTexture | IsLost | PixelFormat |
| Interface1 | OverlayPosition | SurfaceDesc |