oauth connection to Evernote

I need a VB.NET example of how to connect to Evernote using oauth from a _desktop application_ to get the authentication token. Details for Evernote API are at <[login to view URL]> The windows form application must be able to request temporary credentials upon clicking a button, get the temporary credential and generate the authorization url. Then the program connects to this url (upon clicking another button), the user approves it and the program picks up the authentication token. Need the code in a Visual Studio 2010 solution.