How can interface USB with LABVIEW in Interrupt mode?

[citc]

I want to use USB with Labview VISA in Interrupt transfer mode. For my project I am using USB RAW but I don't know how it works in interrupt transfer mode for writing data from it. Can please help me?

[Maturano]

Hello I'm trying to built an USB interface too, it is for a XEM target. Would you help me please? I can open the target with Visa Open but I can't neither write nor read for target because I'dont know how tell to albview to and from endpint goes.  Thank you