Thanks Chris, should have looked before posting.
vishi
"Chris Matthews" wrote in message
news:50650000000500000037D30000-1042324653000@exchange.ni.com...
> There is a custom control for combo box if you are using the latest
> version of CVI. It can be found under
> cvi\toolslib\custctrl\combobox.fp. There is an example program using
> this tool under cvi\samples\userint\custctrl\combobox.
>
> Best Regards,
>
> Chris Matthews
> National Instruments