using System;
public class Application{
public static void Main(){
A a1 = new A(1),
a2 = new A(2),
a3 = new A(3);
Messenger m = new Messenger("CS at AAU", a2.MethodA);
m.InstallMessage(a1.MethodA);
m.DoSend();
Console.WriteLine();
m.InstallMessage(a3.MethodA);
m.InstallMessage(a3.MethodA);
m.DoSend();
Console.WriteLine();
m.UnInstallMessage(a3.MethodA);
m.UnInstallMessage(a1.MethodA);
m.DoSend();
}
} | |
Three instances of class A.
The delegate is created to contain a2.MethodA.
Add a1.MethodA
Activates both a2.MethodA and a1.MethodA.
Etc...
Removes last instance of a3.MethodA.
Etc...
|