using System;

public class EmployeeSeperator

{

    public delegate void EmployeeSeperatedHandler(); // er moet een publische methode in Subscraiber.

    public event EmployeeSeperatedHandler EmployeeSeperatedEvent;

    // event reaisen (fire)

    public void Separeate()

    {

        if (EmployeeSeperatedEvent != null)

        {

            //EmployeeSeperatedEvent?.Invoke();

            EmployeeSeperatedEvent();

        }else

        {

            Console.WriteLine("methode is null ");

        }

    }

}

​

// classubscriber

public class Finance

{

    // obj van employeeSeperator class

   public readonly  EmployeeSeperator employeeSeperator;

   public Finance(EmployeeSeperator employeeSeperator)

   { 

       this.employeeSeperator = employeeSeperator;

       employeeSeperator.EmployeeSeperatedEvent += EmployeeSeperatedHandler; // void methode or contract tussen publischer en subscriber (delegate).

     // EmployeeSeperatedEvent();

   }

    public void EmployeeSeperatedHandler() // contract tussen de publischer en subscriber

    {

        Console.WriteLine("Employee separated hoort bij afdeling Finance" );

    }

}

​

​

public class It

{

   public readonly  EmployeeSeperator employeeSeperator;

   public It( EmployeeSeperator employeeSeperator)

   { 

       this.employeeSeperator = employeeSeperator;

       employeeSeperator.EmployeeSeperatedEvent += EmployeeSeperatedHandler; // void methode or contract tussen publischer en subscriber (delegate).

      // EmployeeSeperatedEvent();

   }

    public void EmployeeSeperatedHandler() // contract tussen de publischer en subscriber

    {

        Console.WriteLine("Employee separated was verbonden met It afdeling " );

    }

}

​

​

public class Program

{

    public static void Main()

    {

        Console.WriteLine("Hello World");

        EmployeeSeperator operato = new EmployeeSeperator();

        Finance fin = new Finance(operato);

        It it = new It(operato);

        operato.Separeate();

    }

}