Windows - Lock Folder

Following link explains very beautifully how to lock the folder with password.

http://www.simplehelp.net/2010/11/29/how-to-create-a-password-protected-folder-in-windows-7/

How to Create RESTful webservice using WCF

Setting Up the Project:
The Following link explains very throughly how to create a RESTful webservice using WCF Project type. 
http://www.codeproject.com/Articles/105273/Create-RESTful-WCF-Service-API-Step-By-Step-Guide 

Creating Operation & DataContract For the Services:
http://www.codeproject.com/Articles/29570/Simple-WCF-Hosting-and-Consuming