We have frequent questions about “missing” classes. USBH_Device is a good example. When you feel lost refer to the documentation. Assembly tag points out to the class’s dll.
It would also be nice to have information about the referenced assemblies used for the parameters. For example: the PinCapure has a parameter resistorMode. This one is defined in another assembly as where the method itself is defined.
And this is the link to the mentioned NETMF library: