Sample MobileClientLibrary call

gistfile1.cs

public static void Main(string[] args)
{
    WebServiceClient client = new WebServiceClient("YOUR_API_KEY");

    client.FetchAllUsersCompleted += new RequestCompletedEventHandler(client_FetchAllUsersCompleted);
    client.FetchAllUsers();
}

private static void client_FetchAllUsersCompleted(object sender, RequestCompletedEventArgs e)
{
    List<User> data = e.Data as List<User>;

    foreach (var user in data)
    {
        Console.WriteLine(user.Name);
    }
}