How to Read a file from Application folder

[C# Programming]

Hi all,
it may be a simple one but i dont know how to do it
In my C#.net 3.5 windows application, i have to create a separate file(like Code File)
here i will give some text and this text i want to read from coding.
is it possible?
please give some idea or please share some sample code if u have.

Thanks In Advance
--Naren
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