#GIS from a .NET developer's perspective

WPF vs. Silverlight - Part 1 - Custom Controls Theme

See intro blogpost here.

When applying default theme and template to custom controls that you declared in "/Themes/Generic.xaml" it's done differently in Silverlight and WPF:

public class MyControl : Control
    public MyControl()
        this.DefaultStyleKey = typeof(MyControl);
    static MyControl() {
            new FrameworkPropertyMetadata(

Also, in the WPF Assembly, you need to register the theme file in AssemblyInfo.cs This is done with the following line of code:

[assembly: ThemeInfo(ResourceDictionaryLocation.None,ResourceDictionaryLocation.SourceAssembly)]

Note: This code is usually added automatically when you create a new WPF project.

Next: WPF vs. Silverlight - Part 2 - XamlReader

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