obj_visa

Source: utils/misc/obj_visa.pro

 obj_visa
        Extended version of obj_isa.

 Usage:
        status = obj_visa(object, type)

 Arguments:
        object  input   any     The object or other variable to be
                                tested. 
        type    input   string  The object type for which the IsA
                                relationship is to be tested.

 Notes:
        This differs from the built-in OBJ_ISA routine in that it
        returns 0 rather than an error if the first argument is not an
        object reference at all.

 History:
        Original: 9/4/02; SJT