C 系统变量¶
- CAMERADISPLAY
- CAMERAHEIGHT
- CANNOSCALE
- CANNOSCALEVALUE
- CCONSTRAINTFORM
- CDATE
- CDEFAULTCOLOR
- CECOLOR
- CELTSCALE
- CELTYPE
- CELWEIGHT
- CETRANSPARENCY
- CHAMFERA
- CHAMFERB
- CHAMFERC
- CHAMFERD
- CHAMMODE
- CIRCLERAD
- CLAYER
- CLEANSCREENSTATE
- CLEXTENSION
- CLISTATE
- CLOUDSTORAGESTATE
- CMDACTIVE
- CMDDIA
- CMDECHO
- CMDLNTEXT
- CMDNAMES
- CMLEADERSTYLE
- CMLJUST
- CMLSCALE
- CMLSTYLE
- COLORTHEME
- COMMENTSPALETTESTATE
- COMPARECOLOR1
- COMPARECOLOR2
- COMPARECOLORCLOUD
- COMPARECOLORCOMMON
- COMPAREFRONT
- COMPAREHATCH
- COMPAREPROPS
- COMPARERCMARGIN
- COMPARERCSHAPE
- COMPARESHOW1
- COMPARESHOW2
- COMPARESHOWCOMMON
- COMPARETOLERANCE
- COMPARESHOWRC
- COMPARETEXT
- CONSTRAINTBARDISPLAY
- CONSTRAINTBARMODE
- CONSTRAINTNAMEFORMAT
- CONSTRAINTRELAX
- CONSTRAINTSOLVEMODE
- COORDS
- COPTIONSCOLOR
- COPYMODE
- CPLOTSTYLE
- CPROFILE
- CROSSINGAREACOLOR
- CSHADOW
- CTAB
- CTABLESTYLE
- CURSORMODE
- CURSORSIZE
- CURSORTYPE
- CVPORT