CALL "W$PROGRESSDIALOG" USING WPROGRESSDIALOG-QUERY-CANCEL                                pDialogHandle                         GIVING returnCode  | 
WPROGRESSDIALOG-QUERY-CANCEL  | Constant  | |
pDialogHandle  | HANDLE  | Handle returned by WPROGRESSDIALOG-CREATE.  | 
0   | The Cancel button was not clicked.  | 
1   | The Cancel button was clicked.  |