public Chapter5()
{
MyEventChap6 evt = new MyEventChap6();
Subscribers1 sub1 = new Subscribers1();
Subscribers2 sub2 = new Subscribers2();
evt.SomeEvent += sub1.Handler1;
evt.SomeEvent += sub2.Handler2;
evt.OnSomeEvent();
}
public Chapter6()
{
MyEventChap6 evt = new MyEventChap6();
W wOb = new W();
X xOb = new X();
Y yOb = new Y();
Z zOb = new Z();
// Add handlers to the event list.
Console.WriteLine("Adding events.");
evt.SomeEvent += wOb.Whandler;
evt.SomeEvent += xOb.Xhandler;
evt.SomeEvent += yOb.Yhandler;
// Can't store this one -- full.
evt.SomeEvent += zOb.Zhandler;
Console.WriteLine();
// Raise the events.
evt.OnSomeEvent();
Console.WriteLine();
// Remove a handler.
Console.WriteLine("Remove xOb.Xhandler.");
evt.SomeEvent -= xOb.Xhandler;
evt.OnSomeEvent();
Console.WriteLine();
// Try to remove it again.
Console.WriteLine("Try to remove xOb.Xhandler again.");
evt.SomeEvent -= xOb.Xhandler;
evt.OnSomeEvent();
Console.WriteLine();
// Now, add Zhandler.
Console.WriteLine("Add zOb.Zhandler.");
evt.SomeEvent += zOb.Zhandler;
evt.OnSomeEvent();
}
