Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Disconnected Points on Delete
PREF_MODELING_DISCONNECTED_POINTS_ON_DELETEParameter: Always Update (Slow)
PREF_SCULPTPREF_ALWAYS_UPDATEParameter: Respect Selections
PREF_SCULPTPREF_RESPECT_SELECTIONSParameter: Polygon Object Normals Threshold
PREF_SCULPTPREF_DISPLAY_POLYGONOBJECT_NORMALS_THRESHOLDParameter: Default Gray Value
PREF_SCULPTPREF_BRUSH_STAMP_GREYVALUE_DEFAULTParameter: Use Top Left Pixel For Gray Value
PREF_SCULPTPREF_BRUSH_STAMP_GREYVALUE_TOPLEFTPIXELParameter: Material Resolution
PREF_SCULPTPREF_BRUSH_STAMP_MATERIAL_SAMPLERESParameter: Default Gray Value
PREF_SCULPTPREF_BRUSH_STENCIL_GREYVALUE_DEFAULTParameter: Use Top Left Pixel For Gray Value
PREF_SCULPTPREF_BRUSH_STENCIL_GREYVALUE_TOPLEFTPIXELParameter: Material Resolution
PREF_SCULPTPREF_BRUSH_STENCIL_MATERIAL_SAMPLERES