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About Syed Rizwan Muhammad Rizvi
Expertise
I can answers questions regarding web based and desktop based programming in VB.Net. Which can include SOAP, XML, Custom Controls, COM Interoperability etc.

Experience
Have been working in this specific area for last 2 years previously I was a VB 6 Developer with experties in other languages as well. Total 10 years of programming experience.

You are here: Experts > Computing/Technology > Basic > VB.NET > full OOP with VB.NET2005

Topic: VB.NET

Expert: Syed Rizwan Muhammad Rizvi
Date: 7/25/2007
Subject: full OOP with VB.NET2005

Question
Hi
I want to code 100% OOP in VB.NET 2005 and I have some basic problems:
-what is the difference between Interface and abstract class?
-what can Delegate do that addhandler can't?
-as structures have methods too, why not to use a class instead?
-what is the use of module? structural programming?
Thanks

Answer
1- http://www.codeproject.com/csharp/abstractsvsinterfaces.asp
2- http://codebetter.com/blogs/peter.van.ooijen/archive/2005/08/02/130194.aspx
3- Structures doesnt support Object Oriented Programming. e.g. inhertience etc.
4- Modules are a feature of VB only, allowing you to have global datamembers and variables, and I would say its part of modular programming rather than structured.

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