Mega Code Archive
Retrieving Even-Numbered Events with the NET Delegate Convention
<![CDATA[
using System;
public delegate void EvenNumberHandler(object Originator, OnEvenNumberEventArgs EvenNumberEventArgs);
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)
{
OnEvenNumberEventArgs EventArguments;
EventArguments = new OnEvenNumberEventArgs(CurrentNumber);
OnEvenNumber(this, EventArguments);
}
}
}
}
}
public class OnEvenNumberEventArgs : EventArgs
{
private int EvenNumber;
public OnEvenNumberEventArgs(int EvenNumber)
{
this.EvenNumber = EvenNumber;
}
public int Number
{
get
{
return EvenNumber;
}
}
}
class EvenNumberHandlerClass
{
public void EvenNumberFound(object Originator, OnEvenNumberEventArgs EvenNumberEventArgs)
{
Console.WriteLine(EvenNumberEventArgs.Number);
}
}
class MainClass
{
public static void Main()
{
Counter MyCounter = new Counter();
EvenNumberHandlerClass MyEvenNumberHandlerClass = new EvenNumberHandlerClass();
MyCounter.OnEvenNumber += new EvenNumberHandler(MyEvenNumberHandlerClass.EvenNumberFound);
MyCounter.CountTo100();
}
}
]]>