using System;

using System.Threading.Tasks;

​

public class MyApp

{

    public static void Main()

    {

        var x = CheckIfFieldExists("", "username");

        Console.WriteLine(x);

    }

​

    public async static Task<string> CallbackFunction()

    {

        Console.WriteLine("Before Task.Delay");

        await Task.Delay(100);

        Console.WriteLine("After Task.Delay - returning");

        return "Photograph";

    }

    private static bool CheckIfFieldExists(string toSearch, string type) {

    bool doesFieldExist = false;

    if (type == "username") {

        Task t = CallbackFunction().ContinueWith(task => {

            if (task.IsFaulted) {

                Console.WriteLine("Task was faulted: Pulling from database");

                return;

            }

            else if (task.IsCompleted) {

                string snap = task.Result;

                if (snap == "Photograph") {

                    Console.WriteLine("field exists");

                    doesFieldExist = true;

                } else {

                    Console.WriteLine("field doesnt exist");

                    return;

                }

            }

        });

        TimeSpan ts = TimeSpan.FromMilliseconds(1000);

        t.Wait(ts);

        Console.WriteLine("returning field status");

        return doesFieldExist;

    } else {

        return false;

    }

}

​

}

​

​