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posted by
Pencho Popadiyn
on
Apr 06, 2011 (more than a year ago)
Don't miss... WP7 Creating Custom Keyboard WP7 for iOS and Android Devs WP7 series by Andrea Boschin 'WP7 for iPhone Devs' book: Show more books In this short article, I would like to show you how to use the WP7 Trial API in your applications. As you know, there are three types of applications in the WP7 marketplace – free, buy and try-before-buy. It is a good practice to offe ...