UPDATE Method (LISTVIEW)

PLB Web Only

The Update method forces an immediate update of any pending data for a LISTVIEW on a PL/B Web Client. The method uses the following format:

Where:

label

Optional. A Program Execution Label.

object

Required. A LISTIVEW object that is accessed.

return

Optional. A Numeric Variable that returns the always returns zero.

Flags Affected: EOS, OVER, ZERO

Note the following:

1. By default any pending LISTVIEW data is automatically updated by a EVENTWAIT instruction. The 'Update' method forces an immediate update under program control.

2. The EOS and OVER flags are always set to FALSE.

3. The ZERO flag is set.

4. This method is only available when using the PL/B Web Server.

See Also: Method Syntax, LISTVIEW Methods