Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Lock
ID_CA_CORRECTION_DEFORMER_OBJECT_LOCKParameter: Scale
ID_CA_CORRECTION_DEFORMER_OBJECT_SCALEParameter: Mapping
ID_CA_CORRECTION_DEFORMER_OBJECT_MAPParameter: UV Tag
ID_CA_CORRECTION_DEFORMER_OBJECT_UVParameter: Strength
ID_CA_CORRECTION_DEFORMER_OBJECT_STRENGTHParameter: Update
ID_CA_CORRECTION_DEFORMER_OBJECT_UPDATEParameter: Freeze
ID_CA_CORRECTION_DEFORMER_OBJECT_FREEZEParameter: Reset
ID_CA_CORRECTION_DEFORMER_OBJECT_RESET