C# Signature:

    [DllImport("Netapi32.dll", CharSet=CharSet.Unicode, ExactSpelling=true)]
    private extern static int NetUserGetInfo(
        [MarshalAs(UnmanagedType.LPWStr)] string ServerName,
        [MarshalAs(UnmanagedType.LPWStr)] string UserName,
        int level,
        out IntPtr BufPtr);  

VB Signature:

    Private Declare Function NetUserGetInfo Lib "Netapi32.dll" ( _
        ByVal ServerName As String, _
        ByVal UserName As String, _
        ByVal level As Integer, _
        ByRef BufPtr As IntPtr) As Integer

User-Defined Types:

    [StructLayout(LayoutKind.Sequential, CharSet = CharSet.Unicode)]
    public struct USER_INFO_10
    {
        [MarshalAs(UnmanagedType.LPWStr)]
        public string usri10_name;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string usri10_comment;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string usri10_usr_comment;
        [MarshalAs(UnmanagedType.LPWStr)]
        public string usri10_full_name;
    }

Alternative Managed API:

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Notes:

None.

Tips & Tricks:

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Sample Code:

    public bool AccountGetFullName(string MachineName, string AccountName, ref string FullName)
        {
            if (MachineName.Length == 0 )
            {
                throw new ArgumentException("Machine Name is required");
            }
            if (AccountName.Length == 0 )
            {
                throw new ArgumentException("Account Name is required");
            }
            try
            {
                // Create an new instance of the USER_INFO_1 struct
                USER_INFO_10 objUserInfo10 = new USER_INFO_10();
                IntPtr bufPtr; // because it's an OUT, we don't need to Alloc
                int lngReturn = NetUserGetInfo(MachineName, AccountName, 10, out bufPtr ) ;
                if (lngReturn == 0)
                {
                    objUserInfo10 = (USER_INFO_10) Marshal.PtrToStructure(bufPtr, typeof(USER_INFO_10) );
                    FullName = objUserInfo10.usri10_full_name;
                }
                NetApiBufferFree( bufPtr );
                bufPtr = IntPtr.Zero;
                if (lngReturn == 0 )
                {
                    return true;
                }
                else
                {
                    //throw new System.ApplicationException("Could not get user's Full Name.");
                    return false;
                }
            }
            catch (Exception exp)
            {
                Debug.WriteLine("AccountGetFullName: " + exp.Message);
                return false;
            }
        }

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