Usb Uirt & Vb.net

Hello,
i'd like to build a vb net application to manage usb uirt.
What's the best way ?
I tried to directly use uuirt.dll but it doesnt work
Thanks in advance
i'd like to build a vb net application to manage usb uirt.
What's the best way ?
I tried to directly use uuirt.dll but it doesnt work

Thanks in advance