using System;

public class Test
{
	private static bool Flag = false;
	
	static void Main(string[] args)
	{
	    Console.WriteLine("Start");
	    try
	    {
	        SomeOperation();
	    }
	    catch (Exception) when (EvaluatesTo())
	    {
	        Console.WriteLine("Catch");
	    }
	    finally
	    {
	        Console.WriteLine("Outer Finally");
	    }
	}
	
	private static bool EvaluatesTo()
	{
	    Console.WriteLine($"EvaluatesTo: {Flag}");
	    return true;
	}
	
	private static void SomeOperation()
	{
	    try
	    {
	        Flag = true;
	        throw new Exception("Boom");
	    }
	    finally
	    {
	        Flag = false;
	        Console.WriteLine("Inner Finally");
	    }
	}
}