Exemple d'utilisation des exceptions (C++ et C#.Net)

main.cpp

// This code is available for testing at http://cpp.sh/546hl

#include <string>
#include <iostream>

void ThatOneFunction()
{
	// Too lazy to make it do something else, let's throw the damn exception
	
	throw std::string("POOTIS");
}

int main(int argc, char* av[])
{
	try
	{
		std::cout << "Trying to run doubtful code..." << std::endl;
		
		ThatOneFunction();
	}
	catch(std::string datString)
	{
		std::cout << "Caught string exception: \"" << datString << '"' << std::endl;
	}
	catch(...)
	{
		std::cout << "The try block threw something unexpected." << std::endl;
	}

	return EXIT_SUCCESS;
}

Main.cs

// If you really wanna test this code trry http://csharppad.com/
// I don't use this myself but it sounds legit enough

using System;

namespace NamespaceNoOneCaresAbout
{
	public class DerpClass
	{
		public DerpClass(int somethingThatMustBePositive)
		{
			if (somethingThatMustBePositive < 0)
				throw new ArgumentException("I want a positive number, dummy!");
		}
	}

	public class Program
	{
		public void Main(string[] args)
		{
			try
			{
				new DerpClass(-1);
			}
			catch(ArgumentException ex)
			{
				Console.WriteLine("Caught ArgumentException saying: {0}", ex.Message);
			}
			catch(Exception ex)
			{
				Console.WriteLine("Well, crud.");
			}
			finally
			{
				// This block has no purpose here but... it exists.
			}
		}
	}
}