IDirect3DRMFace::AddVertexAndNormalIndexed
HRESULT AddVertexAndNormalIndexed(DWORD vertex, DWORD normal);
Adds a vertex and a normal to a Direct3DRMFace object, using an index for the vertex and an index for the normal in the containing mesh builder. The face, vertex, and normal must already be part of a Direct3DRMMeshBuilder object.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
vertex and normal
Indexes of the vertex and normal to add.