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Why Interface

Posted on 2011-03-23
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Last Modified: 2013-12-17
An abstract class can do all stuff what an interface does . Though Multiple inheritence not possible in abstract class with interface its possible. But why the interface concept came .
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Question by:mohantyd
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by:Dhaest
ID: 35196794
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by:Imran Javed Zia
ID: 35196856
Hi,
It is simple, you can implement multiple Interfaces further more abstract can be only one and must be used as parent.
http://www.codeproject.com/KB/cs/abstractsvsinterfaces.aspx
Thanks
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by:Mathiyazhagan
ID: 35197141
One more great article from Code Project :
http://www.codeproject.com/KB/architecture/Abstract_Interface.aspx

and have attached PDF of an article (from DigCode, as now the link is not working). Interface-vs.-Abstract-Clas.pdf
Hope this helps.
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by:Naman Goel
ID: 35197527
Interface is something like a contract between class and Interface, it is like a menu card that facilitates a class that what type of implementation it contains. for example if you implemented IEnumerable outside class or user of class can expect that you had implemented GetEnumerator() method, in similar way if you had implemented IDisposable along with IEnumerable the user of that object can expect Dispose is being implemented in that class, so interface purely facilitates a class to implement multiple features into the class.
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khan_webguru earned 250 total points
ID: 35244597
Hello Bro!

Please find the attached sample code from code project I used once to fix the problem. Hope this will help you.

sample-Code.docx

Regards,

AAK
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