COMMAND NAME:

        VPDELETE

USAGE:

        VPDELETE <pt>
        VPDELETE ALL

        This command is used to delete a viewport in the graphics area.
The point selects the closest corner of the closest viewport to delete.

        You cannot delete the the main graphics window with VPDELETE -
you may only use VPDELETE on a viewport which was
created by the VPADD or VPCOPY commands.

ALL: 
        Remove all viewports.

