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Do you have an MVVM-based Windows Phone 7 application and you don't like having to hook into the RootFrame to navigate between pages?  Do you wish you could just "ask" to navigate to a new view from your view model? One possible solution can be found in this screencast.

Using an message...

This multi-part screencast series will look at the fundamentals involved in building multiscreen applications using Microsoft Silverlight and Visual Studio 2010. Starting with an overview of the Microsoft ecosystem, Part 1 lays the foundation for future episodes, introducing key concepts that will...

Using a Messag Bus to communicate between ViewModels is a very common activity when building an application based on MVVM.  In this video, I show how you can build a Message Bus that can be created on a per-page basis and easily connected to the ViewModels on a page using XAML.

For a deeper...

Have you ever wanted the flexibility of dependency injection without having to implement a full-blown IoC solution?  Maybe you just want an easy way to pass concrete services to your ViewModel?  This short video will show you you can use XAML to configure your ViewModels to provide a property-based...

Lots of developers are building XAML-based applications today.  Be it WPF, Silverlight or Windows Phone 7, I have seen a lot of people struggle with certain tasks in Visual Studio that would be much easier if undertaken in Expression Blend.  Blend seems to be somewhat intimidating to developers,...

Windows Phone 7 provides the LicenseInformation class that includes the IsTrial() method.  IsTrial() allows you to check, at runtime, if the running application has been installed from the Marketplace as a trial application, or if the user has purchased the application.  Developers are able...

Continuing our previous explorations of the TransitioningContentControl (here and here – all WinPhone content here), we will now take a look at how we can extend the TCC to allow transitions to be defined on a per-page basis. Simply put, we would like to have a default transition for all pages,...

In my original screencast (my blog or on here on Channel 9), I showed you how to use the Silverlight Toolkit’s TransitioningContentControl to add automatic transitions between pages of your Windows Phone 7 Silverlight application.  A few days after recording and posting that screencast, ...

Update: To see how to extend this solution for custom per-page transitions, see my follow-on article.

If you have played around with Silverlight on Windows Phone 7, one thing you may have tried to figure out is how to add nice transitions between different pages of your application. By default, Windows...

In Part 7, I introduce the basics of building a WCF PeerChannel application.  Using a simple console application, the following steps are shown:

• Creating the necessary interfaces
• Setting up the WCF enviornment
• Checking online status
• Sending and receiving messages

While basic, it demonstrates...