IDirect3DRMViewport::SetProjection
HRESULT SetProjection(D3DRMPROJECTIONTYPE rptType);
Sets the projection type for a viewport.
·Returns D3DRM_OK if successful, or an error otherwise. For a list of possible return codes, see Direct3D Retained-Mode Return Values.
rptType
One of the members of the D3DRMPROJECTIONTYPE enumerated type.