The ViewModel would just call the TwitterService class's GetTweets method. I find this abstraction really nice for three big reasons. First, it hides the Web service API calls from the ViewModel, ...

6 MVVM Tips: Leverage ViewModel and Unit Test Silverlight and WP7 Apps. The Microsoft Model-View-ViewModel pattern is an indispensable tool for developing applications for Silverlight, Windows Phone 7 ...

I have a self-referenced class named Category and have another class named Post for my blogging system. I used my Post class in a ViewModel to create a new post. everything worked fine until I ...

This paper, the last one in a series of three papers, presents the class inheritance architecture of an open-source application framework for hearing impairment diagnosis. The framework is built using ...

Want to see Model-View-ViewModel (MVVM) without all the "helpers"? Perhaps you thought I was kidding in my previous column, "Fundamental MVVM". Now, I love helpers for things like commanding, ...