This standard runtime function places a check next to a pulldown menu command when it is displayed.
The application program must set the name of the menu command to be checked in RMP--COMMAND-NAME.
This standard runtime function is valid only for pulldown menu commands that can be checked.
An inverse standard runtime function, UNCHECK MENU OPTION is also available.
|0||The function executed successfully.|
|5||The panel is not in this library|
|6||The library does not exist.|
|14||A COBOL input/output error was encountered on the panel library during execution of this function. To determine the exact nature of the I/O error, use the C$RERR subprogram.|
|20||The menu command name is invalid.|