Adwords API

Hey, I want a small software or just few functions written in vb.net that will accept username and password of adwords account, and take some details from adwords.. this shud be done using DLL provided by google and with 100% legit way. no scraping.. API details and everything is clearly given in google adwords... just don have time to do it... i just need only 3 functions.. taking keywords, searches and one more detail.. i just need Codes.. (Bare UI is fine for me.) Code should be properly commented and shud be good. you need to use latest oath2 system. CODE SHUD BE IN VB.NET!! NO C#-------------------------- ONLY EXPERIENCED! NO NEW FREELANCERS EVEN IF YOU HAVE 1000 YEARS OF EXP!