For some reason the family of design patterns that exist around the Model View Controller pattern seem to be an elusive band of characters. The first time I encountered Model View Controller I studied the text hard trying to understand how the Strategy , Observer and Composite patterns worked together...

Over the years I have spent a fair amount of time thinking about design patterns surrounding the presentation layer . Just as your values as a grown-up are often determined by experiences you have as a child – I think my interest in these patterns stem from frustrations I had as a newbie developer. When...

In this post i want to describe the approach of connecting View and ViewModel which I'm using in my last project. The main idea is to do it during resolve inside of unity container. It can be achived using InjectionFactory introduced in Unity 2.0 public static class MVVMUnityExtensions { public static...

Today I've tried to find a way how to pass EventArgs as CommandParameter to DelegateCommand triggered by EventTrigger. By reverse engineering of default InvokeCommandAction I find that blend team just ignores event args. To resolve this issue I have created my own action for triggering delegate commands...

Author, Microsoft MVP and accomplished pianist Josh Smith , Sr. UX Developer at IdentityMine , joins the show to discuss some of Model View ViewModel’s more advanced scenarios. Full Speed: download Fast Version: download Josh shares is experience using MVVM gives some real-world advice on: Using modal...

Since few days i have been struggling to bind a gridview from a simple WCF async call. Following article look promising… http://blogs.telerik.com/vladimirenchev/posts/09-10-16/how_to_silverlight_grid_hierarchy_load_on_demand_using_mvvm_and_ria_services.aspx I conclude binding is not simple traditional...