Share Email Facebook Twitter LinkedIn grclear (AutoLISP) Clears the current viewport (obsolete) Supported Platforms: Windows, Mac OS, and Web Signature (grclear) No arguments. Return Values Type: nil Always returns nil. Examples N/A Related Concepts Display Control Functions Reference (AutoLISP) Related Reference grdraw (AutoLISP)grvecs (AutoLISP)redraw (AutoLISP)