One of the following values:
XForm Command Modes
CID_OBJMOVE
CID_OBJROTATE
CID_OBJSCALE
CID_OBJUSCALE
CID_OBJSQUASH
CID_OBJSELECT
Hierarchy / Space Warp Command Modes
CID_LINK
CID_BINDWSM
Viewport Command Modes
CID_ZOOMVIEW
CID_ZOOMREGION
CID_PANVIEW
CID_ROTATEVIEW
CID_ZOOMALL
CID_RNDREGION
Camera Command Modes
CID_CAMFOV
CID_CAMDOLLY
CID_CAMPERSP
CID_CAMTRUCK
CID_CAMROTATE
CID_CAMROLL
Command Mode