hello.cs

using System;

#pragma warning disable 414, 3021

public class Program
{
    /// <summary>The entry point to the program.</summary>
    public static int Main(string[] args)
    {
        Console.WriteLine("Hello, World!");
        string s = @"This
		""string""
		spans
		multiple
		lines!";

        dynamic x = new ExpandoObject();
        x.MyProperty = 2;

        return 0;
    }
}

async Task<int> AccessTheWebAsync()
{
    // ...
    string urlContents = await getStringTask;
    return urlContents.Length;
}

internal static void ExceptionFilters()
{
  try 
  {
      throw new Exception();
  }
  catch (Exception e) when (e.Message == "My error") { }
}