using System;

using System.Linq;

using System.Threading.Tasks;

​

public class Program

{

    static void DoSomething()

    {

      SendMessageAsync();

      Console.WriteLine("Message Sent!");

    }

​

    static async Task SendMessageAsync()

    {

      await Task.Delay(200);

      Console.WriteLine("send message internal");

      /* some logic to send a message to someone */

    }

    public static async Task Main()

    {

        DoSomething();

​

        // wait for the delay in SendMessageAsync before leaving the program

        await Task.Delay(1000);

    }

}