What are the places that we can use USING keyword in C#.net?

In C#.net code what are the places that we can use USING keyword.


ex: Top of the code we use (using systems.IO) like that.

What are the places that we can use USING keyword in C#.net?
it's all about scope.. so pretty much anywhere..





here MS helps explain it sufficiently





http://msdn2.microsoft.com/en-us/library...