Mix 2010 kicked off on a strong note today, as ScottGu made a number of announcements in his keynote. More details will likely emerge as the Mix 2010 conference progresses, but some of the highlights so far include: Silverlight 4.0 RC available here . Windows Phone platform tools available here...

We came across an interesting problem a customer hit when trying to write a custom control. The issue was that although the control appeared to work correctly in the application, when it came time to do out-of-process testing using UI Automation (UIA), the newly added functionality of the custom control...

As part of our effort to make it easier to test applications, we would like to share some of the test technology we use internally on the WPF team with the community. We are making a library available, and although this first release is fairly small, it can already provide value to existing applications...

One of the many announcements made at the PDC was that Visual Studio 10 will be built on top of WPF. In addition, VS will be using MEF as an extensibility mechanism. I just wanted to take a few minutes to explain what MEF is all about. The Managed Extensibility Framework ( MEF ) is a library that makes...

In case you haven't heard, the .Net FX 3.5 Service Pack 1 and VS 2008 Service Pack 1 have been released! The VS 2008 Express Edition with SP1 is also available here . In addition to providing bug fixes, the update also includes a number of new WPF features. One of these is the .Net Client Profile , which...

If you are trying to write an application in WPF that separates the UI from the underlying business logic (otherwise known as Model-View patterns), you may have noticed that some of the features in WPF don't always make that easy. Commands are an example of this. Although defining and using a command...

It's been a while since my last post, so I figured I'd write something I just recently had to work on: user settings. In many client applications, you quickly run into the need to store application or user settings. There are a few options on how to do that, some of which are more complex than others...