MVVM is a commonly used design pattern for XAML-based applications (WPF, Silverlight, and now WinRT). I won’t go into a full description of the pattern, but I’d like to spend some time on a design issue I’ve encountered ever since I’ve started Silverlight/WinRT development. The issue Everybody will tell you: nowadays, for a good UX, animations are a must-have. XAML applications have a very powerful animation system based on storyboards, but it doesn’t fit well with MVVM. How so? One of the recommendation when using the MVVM pattern is to make a clear separation between the viewmodel and the view. The viewmodel should have noRead More →