multithreading and Delegates C#. using Asyncronous Methods help.......

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i have some ques.
i have understood the concept of handling the event using delegates (as some extent not whole). but there is some thing else here.<b>
Asynchronous and Synchronous Methods.
1.What is the difference between the two? simple example.</b>

<b>2. i have a method that takes 30 mint to complete, i dont want it to hangup the system, i want it to go to the background and let me use my system meanwhile. and when it finishes the execution, it informs me that it has completed and returns (if any) data that it supposed to do. How will i implement it C#, Using Threading and Delegates? </b>

Consider me the beginner in programming and explain it upto my level.
thank you so much.
i will appreciate it.
a little example wud make it easy for me

Posted 9-Dec-11 18:49pm

awaisdar

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Abhinav S · Accepted Answer · 2011-12-09T18:57:00

Solution 1

Start be reading through http://msdn.microsoft.com/en-us/library/2e08f6yc(v=VS.100).aspx[^].

Easy Asynchronous Programming[^] should be useful to you as well.
Asynchronous Method Invocation[^] and http://www.dotnetscraps.com/dotnetscraps/post/Explaining-Delegates-in-C-Part-4-(Asynchronous-Callback-Way-1).aspx[^] should give you ideas as well.

Posted 9-Dec-11 18:57pm

Abhinav S

Comments

Sergey Alexandrovich Kryukov 10-Dec-11 1:12am

Good links, a 5, but this is what I say: async. APIs are obsolete. Custom threads are easier to develop, provide more control, which is more explicit and easy to debug. Asynchronous APIs came from pre-threading eon.
--SA

Abhinav S 10-Dec-11 1:14am

Thank you. There is a whole new section on asynchronous programming in VS2011 though. Wonder what that will be like.

Monjurul Habib 10-Dec-11 2:05am

nice links 5!

Abhinav S 10-Dec-11 2:22am

Thank you.