DCL:GRPH1:SWPACK: Machine-Dependent Routines:Explanation of Subroutines: Control Routines
Opens/closes an object.
CALL SWOOPN(COBJ,COMM)
CALL SWOCLS(COBJ)
COBJ (C*(*)) Name of an object. COMM (C*(*)) Comments.
- (a)
- An object is a group of graphics elements with the same attributes.
- (b)
- These routines are called when a higher interface routine in the SZPACK opens/closes.
- (c)
- In a device lacking the concept of an object, these will be DUMMY routines.