using System;
public delegate void EvenNumberHandler(int Number);
class Counter
{
public event EvenNumberHandler OnEvenNumber;
public Counter()
{
OnEvenNumber = null;
}
public void CountTo100()
{
int CurrentNumber;
for(CurrentNumber = 0; CurrentNumber <= 100; CurrentNumber++)
{
if(CurrentNumber % 2 == 0)
{
if(OnEvenNumber != null)
{
OnEvenNumber(CurrentNumber);
}
}
}
}
}
class EvenNumberHandlerClass
{
public void EvenNumberFound(int EvenNumber)
{
Console.WriteLine(EvenNumber);
}
}
class MainClass
{
public static void Main()
{
Counter MyCounter = new Counter();
EvenNumberHandlerClass MyEvenNumberHandlerClass = new EvenNumberHandlerClass();
MyCounter.OnEvenNumber += new EvenNumberHandler(MyEvenNumberHandlerClass.EvenNumberFound);
MyCounter.CountTo100();
}
}
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