Parameters are accessed with C4DAtom::GetParameter()/ C4DAtom::SetParameter(). See Parameter IDs.
Parameter: Camera Mode
PREF_NAVIGATION_CAMERA
Parameter: Point of Interest
PREF_NAVIGATION_POI
Parameter: Cursor Placement
PREF_NAVIGATION_CURSOR
Parameter: Deep
PREF_NAVIGATION_DEEPCURSOR
Parameter: Lock PoI for Dolly
PREF_NAVIGATION_FIXEDDOLLY
Parameter: Dolly to Cursor
PREF_NAVIGATION_DOLLY
Parameter: Navigation Cross
PREF_NAVIGATION_DISPLAYFILTER_POI
Parameter: Sync Orthographic Views
PREF_NAVIGATION_SYNCVIEWS
Parameter: Reverse Orbit
PREF_NAVIGATION_CAMERAREVERSE
Parameter: Trackball Rotation
PREF_NAVIGATION_TRACKBALL
Parameter: Smooth View Transition
PREF_NAVIGATION_VIEW_TRANSITION
Parameter: Pan Speed
PREF_NAVIGATION_MOVE
Parameter: Dolly/Zoom Speed
PREF_NAVIGATION_SCALE
Parameter: Orbit Speed
PREF_NAVIGATION_ROTATE