using System;

public class Program

{

    public static void Main()

    {

​

​

        string test="new";

        string test2="new2";

        string test3="new3";

        string test4="new4";

        Person inconnue= new Person(23, "Marie");

​

        AnotherObservableCatchAll observable2  = new AnotherObservableCatchAll(test);

        observable2.HandlingAction += EventCatcher;

        observable2.MyObject=test2;

        observable2.MyObject=test3;

        observable2.MyObject=inconnue;

        inconnue.Name="Karianne";

    }

    public static void EventCatcher(object sender, EventArgs args){

        Console.WriteLine("Something happened to yahhhooooo ---" + sender.GetType()+ " Value: " + sender.ToString());

    }

  class AnotherObservableCatchAll

{

    private object myObject { get; set; }

      public object MyObject { 

          get{return myObject;} 

          set{ChangeObject(value);} }

​

    public AnotherObservableCatchAll(object myObj)

    {

        MyObject=myObj;

    }

​

    public event EventHandler HandlingAction;

      public void ChangeObject(object myObj)

    {

        myObject=myObj;

        EventHandler handler = HandlingAction;

        if (handler != null)

        {

            handler(myObject, EventArgs.Empty);

        }

    }

}

​

  class Person

{

    public int Age { get; set; }

    public string Name { get; set; }

​

    public Person(int age, string name)

    {

        Age = age;

        Name = name;

    }

​

    public int DateOfBirth()

    {

        return 2017 - Age;

    }

}

}

​

​

​