Abstractions.WindowsApi.pInvokes.GetMachineDomainMembership C# (CSharp) Метод

        public static string GetMachineDomainMembership()
        {
            IntPtr buffer = IntPtr.Zero;
            pInvokes.SafeNativeMethods.WKSTA_INFO_100 wksta_info = new pInvokes.SafeNativeMethods.WKSTA_INFO_100();

            int result = pInvokes.SafeNativeMethods.NetWkstaGetInfo(null, 100, out buffer);
            if (result == 0)
            {
                wksta_info = (pInvokes.SafeNativeMethods.WKSTA_INFO_100)Marshal.PtrToStructure(buffer, typeof(pInvokes.SafeNativeMethods.WKSTA_INFO_100));
            }
            else
            {
                LibraryLogging.Error("GetMachineDomainMembership() Error:{0} {1}", result, LastError(result));
            }

            if (buffer != IntPtr.Zero)
            {
                pInvokes.SafeNativeMethods.NetApiBufferFree(buffer);
            }

            return wksta_info.lan_group;
        }