// Subcriber to the Birds events
static void Main(string[] args)
{
// Events
MyCustomPublisher publisher = new MyCustomPublisher();
MyCustomSubscriber sub1 = new MyCustomSubscriber(1, publisher);
MyCustomSubscriber sub2 = new MyCustomSubscriber(2, publisher);
MyCustomSubscriber sub3 = new MyCustomSubscriber(3, publisher);
MyCustomSubscriber sub4 = new MyCustomSubscriber(4, publisher);
sub1.Subscribe();
sub2.Subscribe();
sub3.Subscribe();
sub4.Subscribe();
publisher.StartCoolStuff();
sub2.Unsubscribe();
sub4.Unsubscribe();
publisher.StartCoolStuff();
sub1.Unsubscribe();
sub3.Unsubscribe();
publisher.StartCoolStuff();
//Delegates
publisher.PerformMultipleOperations(10, 10);
Console.WriteLine("Observation bird flight");
int ii;
char rdk;
try
{
do
{
try
{
Console.WriteLine(@"Please, type the number
1. subcribe titmouse
2. subscibe/unsubscribe titmouse
3. subcribe eagle
");
uint i = uint.Parse(Console.ReadLine());
switch (i)
{
case 1:
Console.WriteLine("Titmouse");
Bird My_Bird = new Bird("Titmouse", 15, 5, 2);
//Event handlers, subcribe
My_Bird.Startle += My_Bird_Startle;
My_Bird.NotSeeing += My_Bird_NotSeeing;
for (ii = 5; ii <= My_Bird.FlySpeed; ii++)
{
My_Bird.FlyAway(1);
}
break;
case 2:
Console.WriteLine("Titmouse");
Bird My_Bird1 = new Bird("Titmouse", 15, 5, 2);
//Event handlers, subcribe
My_Bird1.Startle += My_Bird_Startle;
My_Bird1.NotSeeing += My_Bird_NotSeeing;
//Unsusribe
Console.WriteLine("Unsubcribe");
My_Bird1.NotSeeing -= My_Bird_NotSeeing;
for (ii = 5; ii <= My_Bird1.FlySpeed; ii++)
{
My_Bird1.FlyAway(1);
}
break;
case 3:
Console.WriteLine("Eagle");
Bird My_Bird3 = new Bird("Eagle", 320, 20, 10);
//Event handlers, subcribe
My_Bird3.Startle += My_Bird_Startle;
My_Bird3.NotSeeing += My_Bird_NotSeeing;
for (ii = 20; ii <= 35; ii++)
{
My_Bird3.FlyAway(ii);
}
break;
default:
break;
}
}
catch (BirdFlewAwayException ev)
{
Console.WriteLine(ev.Message);
}
catch (System.Exception e)
{
Console.WriteLine("CLS exception: Message - " + e.Message + " Source - " + e.Source);
}
finally
{
Console.WriteLine("For the next step ...");
}
Console.ForegroundColor = ConsoleColor.Green;
Console.WriteLine("Press Spacebar to exit; press any key to continue");
Console.ForegroundColor = ConsoleColor.White;
rdk = Console.ReadKey().KeyChar;
} while (rdk != ' ');
}
catch (Exception mn)
{
}
}
public MyCustomSubscriber(int instanceIndex, MyCustomPublisher publisher)
{
_instanceIndex = instanceIndex;
this._publisher = publisher;
}
