Navigation: ABC Library Reference > ProcessClass > ProcessClass Methods >====== Next (get next element)  ====== |    |
Next( processRecords ), VIRTUAL
| Next | Gets the next element in the result set. |
| process records | A boolean constant, variable, EQUATE, or expression that tells the ProcessClass object whether to update its progress indicators. A zero (0) value does not update the progress indicators; any other value does update the indicators. |
The Next method gets the next element in the result set and returns a value indicating its success or failure.
Member of: ProcessClass
| Implementation: | The Next method calls the ViewManager.Next method. The ProcessClass.Next method updates both the RecordsProcessed property and the Percentile property. |
| Return Data Type: | BYTE |
Example:
ACCEPT
CASE EVENT()
OF Event:OpenWindow
Process.Reset !position to first record
IF Process.Next(0) !get first record
POST(Event:CloseWindow) !if no records, shut down
CYCLE
END
OF Event:Timer !process records with timer
StartOfCycle=Process.RecordsProcessed
LOOP WHILE Process.RecordsProcessed-StartOfCycle<;RecordsPerCycle
CASE Process.Next(1) !get next record, update indicator
OF Level:Notify !if end of file
MESSAGE('Process Completed') ! tell end user
POST(EVENT:CloseWindow) ! and shut down
BREAK
OF Level:Fatal !if fatal error
POST(EVENT:CloseWindow) !shut down
BREAK
END
END
END
END
See Also: Percentile, RecordsProcessed, ViewManager.Next