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- $set ans85 noosvs mf
- *****************************************************************
- * *
- * (C) Micro Focus Ltd. 1989 *
- * *
- * SSCNTRL.CBL *
- * *
- * Demonstration of the use of dynamic attributes in screen *
- * section. This example shows how to use the CONTROL clause *
- * in a screen section to indicate invalid fields after an *
- * accept statement. Monochrome terminal users can also see *
- * the use of attribute strings to set reverse video; color *
- * terminal users can "uncomment" the line changing colors to *
- * view the use of attribute strings to set colors. *
- *****************************************************************
-
- working-storage section.
- 01 field1 pic x(4) value spaces.
- 01 field2 pic x(4) value spaces.
- 01 field3 pic x(4) value spaces.
- 01 attr-string pic X(50).
-
- 78 ws-reverse-video value 'reverse-video'.
- 78 ws-highlight value 'highlight'.
- 78 ws-blink value 'blink'.
- 78 ws-red-on-white value 'foreground-color 4 background-color 7'.
-
- screen section.
- 01 blank-screen blank screen.
-
- 01 screen-1.
- 05 line 3 col 15
- value 'Fill the fields with data'.
- 05 line 6 col 20 value 'Field 1 : '.
- 05 pic xxxx using field1 auto-skip full required.
- 05 line 8 col 20 value 'Field 2 : '.
- 05 pic xxxx using field2
- control attr-string auto-skip full required.
- 05 line 10 col 20 value 'Field 3 : '.
- 05 pic xxxx using field3 required.
-
- 01 error-screen.
- 05 line 24 col 10
- value 'Field 2 must contain ''9999'' to terminate'.
-
- procedure division.
- display blank-screen
- perform until field2 = '9999'
- display screen-1
- accept screen-1
- if field2 not = '9999'
- display error-screen
- ******* move ws-red-on-white to attr-string
- move ws-reverse-video to attr-string
- end-if
- end-perform.
- stop run.
-
-