|
using System;
using System.Collections.Generic;
using System.Text;
namespace ObserverTest
{
class Program
{
static void Main(string[] args)
{
DummyProduct product = new DummyProduct();
// We have four shops wanting to keep updated price set by product owner
Shop shop1 = new Shop("Shop 1");
Shop shop2 = new Shop("Shop 2");
Shop shop3 = new Shop("Shop 3");
Shop shop4 = new Shop("Shop 4");
//Lets use WAY_1 for first two shops
product.Attach(shop1);
product.Attach(shop2);
//Lets use WAY_2 for other two shops
product.Attach2(shop3);
product.Attach2(shop4);
//Now lets try chaging the products price, this should update the shops automatically
product.ChangePrice(23.0f);
//Now shop2 and shop 4 are not interested in new prices so they unsubscribe
product.Detach(shop2);
product.Detach2(shop4);
//Now lets try changing the products price again
product.ChangePrice(26.0f);
Console.Read();
}
}
}
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I Started my Programming career with C++. Later got a chance to develop Windows Form applications using C#. Currently using C#, ASP.NET & ASP.NET MVC to create Information Systems, e-commerce/e-governance Portals and Data driven websites.
My interests involves Programming, Website development and Learning/Teaching subjects related to Computer Science/Information Systems. IMO, C# is the best programming language and I love working with C# and other Microsoft Technologies.
- Microsoft Certified Technology Specialist (MCTS): Web Applications Development with Microsoft .NET Framework 4
- Microsoft Certified Technology Specialist (MCTS): Accessing Data with Microsoft .NET Framework 4
- Microsoft Certified Technology Specialist (MCTS): Windows Communication Foundation Development with Microsoft .NET Framework 4
If you like my articles, please visit my website for more: www.rahulrajatsingh.com[^]