static extern int NetWkstaUserGetInfo(

Declare Function NetWkstaUserGetInfo Lib "netapi32.dll" (ByVal reserved As String, ByVal level As Integer, ByRef lpBuffer As IntPtr) As Integer

        Dim result As Integer = NetWkstaUserGetInfo(Nothing, 1, lpBuffer)

    result = NetWkstaUserGetInfo(null, 1, out buffer);