CALL "W$MENU" USING WMENU-CHECK                       menuHandle                      ID               GIVING returnCode  | 
WMENU-CHECK  | Constant  | |
menuHandle  | USAGE HANDLE  | Specifies the handle of an existing menu.  | 
ID  | any numeric data item or numeric literal  | Specifies the menu entry to be checked.  | 
<=0   | Operation failed.  | 
>0  | Operation successful.  |