AllowEmptyTab Method (DATALIST)

8.7B, PLBCMP GUI Only

The AllowEmptyTab method permits a user tab operation to an empty DATALIST object. The method uses the following format:

Where:

label

Optional. A Program Execution Label.

object

Required. A DATALIST object that is accessed.

return

Optional. A Numeric Variable that always returns zero.

value

Required. A Numeric Variable or decimal number that indicates whether tabbing to an empty DATALIST is allowed.

Flags Affected: EOS, OVER, ZERO

Note the following:

1. If a non-zero {value} is specified, user tabbing to the DATALIST when empty is allowed.

2. If the {value} is zero, user tabbing to the DATALIST when empty is not allowed. This is the default operation of a DATALIST.

3. When using the PL/B Web Server, this method is not supported.

See Also: Method Syntax, DATALIST Methods