my_async-await_by_using_recursive-method, C#

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//Rextester.Program.Main is the entry point for your code. Don't change it.
//Compiler version 4.0.30319.17929 for Microsoft (R) .NET Framework 4.5

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;
using System.Threading;

namespace Rextester
{
    public class Program
    {
        //some value, which will can be updated at any time
        //public static string value = "predefined value";  //if already defined
        public static string value = "";   //wait to update this
        
		public static string wait_result_value(){ // my_await_method will wait this recursive method
			if(value != ""){                        //if some condition
				return value;                           //return value
			}else{                                  //else
				Thread.Sleep(2000);					   //sleep in the current Thread, to let value be updated
                value = "Value, after 2000 milliseconds.";   //test update value, after sleeping
				return wait_result_value();                  //recursive return this function
			}
		}        
        
        public static string my_await_method()      //this method will await finish of wait_result_value()
        {
			string result = null; // Used to store the returned result
			var thread = new Thread(				//	in thic case, Thread.Sleep() stopping this thread, not all program stopping.
				() =>
				{
					result = wait_result_value();	// Publish the returned result
				}
			);
			thread.Start();							//start thread
			thread.Join();							//extract result from thread, at finish it.
			return (string)result;		//return result.
        }

public static void Main(string[] args)
        {
            //Your code goes here
            Console.WriteLine(my_await_method());  //show result
        }
    }
}

Show compiler warnings [ + ] Show input
Compilation time: 0,16 sec, absolute running time: 2,09 sec, cpu time: 0,09 sec, average memory usage: 24 Mb, average nr of threads: 6, absolute service time: 2,26 sec