why do we use interface in c# programs?

Question

this is my c#sample programs my Sample

Please Help me Quickly

Answer 1

This link provides an excellent explanation

http://www.codeproject.com/Articles/18743/Interfaces-in-C-For-Beginners

Regards

 

---

//SFP

Answer 2

If you want people on here to help you, then it might not be a good idea to post your example code on a hosting site that requires you to create an account to download it. Just post the relevant pieces of source code here on the forum.

Also: what is your question? Why you should use interfaces? How you should use interfaces? Why interfaces instead of xxx?

---

Hey, look! This system allows signatures of more than 60 cha

Answer 3

Interfaces are just behaviors which are implemented in classes. Interfaces contains only the methods but their implementation is always given in classes. For this, the interface must be inherited by the class and the class must contain the implementation of all the methods inside an interface.

Hope this helps.

Thanks

Answer 4

thank you very much . this link is very useful :)