For Direct3D, yes there is.

Even if you're not using any new features, you should still use the newer interfaces. Even though the newer DLL's are supposed to be 100% backwards compatible, this is not always the case.

is there any performance difference in using IDirectDrawSurface7* rather than LPDIRECTDRAWSURFACE? or, broader, is there any difference using the directx7 specific objects rather than the generic typedef?

-Delta Rho

I think he made a typo? LPDIRECTDRAWSURFACE is just a typedef for IDirectDrawSurface*. Same with LPDIRECTDRAWSURFACE7 and IDirectDrawSurface7*. There is no difference result-wise - but it is my belief that IDirectDrawSurface7 looks so much better that LPDIRECTDRAWSURFACE7. Heh

- Splat