using System;
using System.Diagnostics;
using System.Threading;

class Program
{
    static void Main()
    {
    
    decimal totalElapsedTicks = 0;	
    	
	// Create new stopwatch
	Stopwatch stopwatch = new Stopwatch();



	// Do something
	for (int i = 0; i < 100000; i++)
	{
	    try
	    {
			// Begin timing
			stopwatch.Start();
			RethrowException();

	    	
	    }catch
	    {
	    	// Stop timing
			stopwatch.Stop();
			
	    }
	}
	// Write result
	Console.WriteLine("try/catch technique: {0:#,###,###,###}", stopwatch.ElapsedTicks);
	
	
	stopwatch.Reset();
	// Do something
	for (int i = 0; i < 100000; i++)
	{
	    try
	    {
			// Begin timing
			stopwatch.Start();
			PassThroughException();

	    	
	    }catch
	    {
	    	// Stop timing
			stopwatch.Stop();
			
	    }
	}
	// Write result
	Console.WriteLine("try/finaly technique: {0:#,###,###,###}", stopwatch.ElapsedTicks);
	
	
	
    }
    
    static void RethrowException()
    {
		try
        { 
            throw new Exception();
        }
        catch
        {
    		DummyMethod();
        	throw;
        }
    }
    
    static void PassThroughException()
    {
    	bool exceptionThrown = false;
    	try
        { 
        	exceptionThrown = true;
            throw new Exception();
        }
        finally
        {
        	if(exceptionThrown)
        	{
        		DummyMethod();
        	}
            
        }
    }
    
    static int DummyMethod() 
    {
    	return 0;	
    }
    
}