Undo Method (DATATABLE)

10.5, PLBCMP GUI Only

The Undo method causes the last DATATABLE operation on the undo stack to be reversed. The method uses the following format:

Where:

label

Optional. A Program Execution Label.

object

Required. A DATATABLE object.

return

Optional. A Numeric Variable that returns a method result

Flags Affected: EOS, OVER, ZERO

Note the following:

1. The EOS flag is always cleared.

2. A non-zero value is returned for a success or a zero for a failure.

3. The ZERO flag is set if the {return} value is zero.

4. The OVER flag is set if the {return} variable is too small to receive the return value.

5. The undo stack only contains the last one hundred (100) actions since the last COMMIT or ROLLBACK.

See Also: Method Syntax, DATATABLE Methods