In the Silverlight development world there are two kinds of properties that you can have on a Silverlight control: normal C# properties and dependency properties. The normal C# properties are added to a Silverlight control the same way as they would be...

The answer is, of course, to use the ActualHeight and ActualWidth properties. But wait, ActualHeight and ActualWidth return 0.0 , what gives?  Well it turns out that if you just check the ActualHeight and ActualWidth right away, you are getting the...

I was working on a custom Control the other day and that had its own XAML file.  I had it all coded up, but when I went to build it, it gave me the following two errors: Error    6    The property '_UnknownContent' does...

The other day I was working on a Silverlight control that would display a taxonomy of categories.  Something along the lines of: One > Two > Three > Four > Five where “Five” is a child of the “Four” category, which, in turn, is a child...

I realized after writing the last post that I had neglected to say who I was and why I was writing about Silverlight development.  My name is Casey Stein and I’m a software developer working at Microsoft.  I’ve been using Silverlight on the...

I’ve been working on a project where I have a Button with a default Style that I wanted to change when the Button was clicked.  So let’s say you have a Button and a couple of Styles as shown below: <UserControl x:Class= "SilverlightApplication1...