static void Main(string[] args)
{
IFacebookClientFactory facebookClientFactory = new FaceBookClientFactory();
IDisplay display = new DisplayWallPost();
IFacebookClient client1 = facebookClientFactory.CreateClient(display);
IDisplay display1 = new DisplayWallPost1();
IFacebookClient client2 = facebookClientFactory.CreateClient(display1);
client1.Subscribe(client2);
client2.WriteNewWallPost("first post from client 2");
client1.Unsubscribe(client2);
client2.WriteNewWallPost("sec post");
}
static void Main(string[] args)
{
IFacebookClientFactory facebookClientFactory = new FacebookClientFactory();
IDisplay consoleDispaler = new DisplayWallPost();
IDisplay consoleDispaler2 = new DisplayWallPost2();
IDisplay consoleDispaler3 = new DisplayWallPost3();
IFacebookClient dolphinsFacebookClient = facebookClientFactory.CreateClient(consoleDispaler);
IFacebookClient dolphinsFacebookClient2 = facebookClientFactory.CreateClient(consoleDispaler2);
IFacebookClient dolphinsFacebookClient3 = facebookClientFactory.CreateClient(consoleDispaler3);
dolphinsFacebookClient2.Subscribe(dolphinsFacebookClient);
dolphinsFacebookClient3.Subscribe(dolphinsFacebookClient);
dolphinsFacebookClient.WriteNewWallPost("Hey from here");
Console.WriteLine("-----------------------------------------------");
dolphinsFacebookClient2.Unsubscribe(dolphinsFacebookClient);
dolphinsFacebookClient3.Unsubscribe(dolphinsFacebookClient);
dolphinsFacebookClient.WriteNewWallPost("aftre change");
}