typedef struct _NETINFOSTRUCT{
    DWORD cbStructure;
    DWORD dwProviderVersion;
    DWORD dwStatus;
    DWORD dwCharacteristics;
    ULONG_PTR dwHandle;
    WORD  wNetType;
    DWORD dwPrinters;
    DWORD dwDrives;
} NETINFOSTRUCT, FAR *LPNETINFOSTRUCT;