How to access current item from a sharepoint list in Visual Studio 2010

Question

Hello,

When using sharepoint designer you can quite easily use current item and perform different actions with it when using workflows etc. However, the options available are limited. I am wondering how to access current item in a list through visual studio 2010 and use and assign values from its fields to variables or items in another list automatically using C# code.

Any help would be most appreciated.

Thanks