How to import modules from another folder ?

[Vinod K Chandran]

Hi all,
I am practicing some win32 api coding in D. So far so good. But 
when i tried to import some d files from another folder, i wonder 
how do this. This is my folder structure.

--> Source Folder
----------> app.d  //This is my main file. I am importing guiLib 
in this main file.
----------> guiLib.d // This file contains some public imports 
like, Gui.d, Button.d etc
----------> LibFolder // this is a folder
-----------------> Gui.d
-----------------> Button.d
-----------------> Label.d

Do i need to pass the exact path ?