Indicates whether a given object number actually identifies an object.
Int32 isobj(Int32 object)
LOGICAL FUNCTION ISOBJ(object) INTEGER*4 object
The isobj subroutine indicates whether a given object number actually identifies an object. The returned value is either True, if the object number is already in use, or False, if it is not.
Note: This editing subroutine itself cannot be added to a display list.
|object||Specifies the object identifier to test.|
|True||Object number is already in use.|
|False||Object number is not in use.|
This subroutine is part of GL in the AIXwindows Environment/6000 Version 1, Release 2 with AIXwindows/3D Feature.
|/usr/include/gl/gl.h||Contains C language constant and variable type definitions for GL.|
|/usr/include/gl/fgl.h||Contains FORTRAN constant and variable type definitions for GL.|
Returning a unique integer for use as an object identifier with the genobj subroutine.
Establishing the uniqueness of a tag number with the istag subroutine.
Creating an object with the makeobj subroutine.
AIX Graphics Library Overview and Creating Objects (Display Lists).