>We have a similar requirement - we use it to keep track of what data was edited by a particular user. So we create a unique reference by combining SYS(2015) + SYS(0) which gives a unique id ... this can be added to the init of the form at the base class level and then used throughout the application.
>
>It worked for us. :-)

Sorry but I can't see how it uniquely identifies controls in a form.
Cetin