用於處理外部參考的指令

指令

ADCENTER (指令)
ATTACH (指令)
BASE (指令)
COORDINATIONMODELATTACH (指令)
DGNATTACH (指令)
DGNCLIP (指令)
DWFATTACH (指令)
DWFCLIP (指令)
EXTERNALREFERENCES (指令)
EXTERNALREFERENCESCLOSE (指令)
IMAGEATTACH (指令)
IMAGECLIP (指令)
PDFATTACH (指令)
PDFCLIP (指令)
POINTCLOUDATTACH (指令)
REFCLOSE (指令)
REFEDIT (指令)
REFSET (指令)
RENAME (指令)
XATTACH (指令)
XBIND (指令)
XCLIP (指令)
XCOMPARE (指令)
XCOMPARECLOSE (指令)
XCOMPARERCNEXT (指令)
XCOMPARERPREV (指令)
XREF (指令)

系統變數

BINDTYPE (系統變數)
CMFADECOLOR (系統變數)
CMFADEOPACITY (系統變數)
COMPARESHOWCONTEXT (系統變數)
DGNFRAME (系統變數)
DWFFRAME (系統變數)
ERHIGHLIGHT (系統變數)
ERSTATE (系統變數)
FRAME (系統變數)
FRAMESELECTION (系統變數)
INDEXCTL (系統變數)
INSBASE (系統變數)
PROJECTNAME (系統變數)
REFEDITNAME (系統變數)
REFPATHTYPE (系統變數)
TRAYICONS (系統變數)
TRAYNOTIFY (系統變數)
TRAYTIMEOUT (系統變數)
VISRETAIN (系統變數)
VISRETAINMODE (系統變數)
XCLIPFRAME (系統變數)
XCOMPAREBAKPATH (系統變數)
XCOMPAREBAKSIZE (系統變數)
XCOMPARECOLORMODE (系統變數)
XCOMPAREENABLE (系統變數)
XDWGFADECTL (系統變數)
XEDIT (系統變數)
XFADECTL (系統變數)
XLOADCTL (系統變數)
XLOADPATH (系統變數)
XREFNOTIFY (系統變數)
XREFOVERRIDE (系統變數)
XREFREGAPPCTL (系統變數)
XREFTYPE (系統變數)