* The numerical-expression represents the line or label that it should branch to, 1 branches to the first line or label, 2 branches to the second, etc.
*In QB 4.5 the list can contain a maximum of 60 lines or labels, while there is no limit in QB64.
* The procedure must be used after the number value is determined or in a loop to monitor current user events.
''Example:'' Changing the program flow when a value is not 0.