Returns the VLAN tag of the specified virtual network.
PRL_RESULT PrlVirtNet_GetVlanTag( PRL_HANDLE hVirtNet, PRL_UINT16_PTR pnVlanTag );
PrlApiNet.h
PRL_RESULT. Possible values are:
PRL_ERR_INVALID_ARG - invalid handle or null pointer was passed.
PRL_ERR_SUCCESS - function completed successfully.
Since the same physical adapter can be used at several virtual networks pair can identify adapter.