| DirectX SDK | 
The IDirectDraw7::RestoreAllSurfaces method restores all the surfaces created for the DirectDraw object, in the order that they were created.
HRESULT RestoreAllSurfaces();
None.
If the method succeeds, the return value is DD_OK.
If it fails, the method can return one of the following error values:
| DDERR_INVALIDOBJECT | 
| DDERR_INVALIDPARAMS | 
This method is provided for convenience. Effectively, this method calls the IDirectDrawSurface7::Restore method for each surface created by this DirectDraw object.
  Windows NT/2000: Requires Windows 2000.
  Windows 95/98: Requires Windows 98.
  Header: Declared in ddraw.h.