I have created a console application using Visual Studio 2008. In a few cases, this application shows a WPF dialog.

Now, the design view of Visual Studio is a little limited, so I'd like to edit this dialog using Expression Blend 3. Blend does not seem to have an option to load individual XAML files, and when I open my solution in Blend, only the XAML code is displayed when I try to edit the dialog.

Edit: I've noticed, that no IntelliSense is available in the text view either. When I create a new WPF Project inside Blend, and copy my dialog there (overwriten MainWindows.xaml), I get a design view.

What do I have to do to actually get a design view here?

Thank! =)

Edit: Header of my XAML file:

<Window
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
x:Class="QuantumAnalysis.Deployment.Activation.Checker.MainWindow"
x:Name="Window"
Title="MainWindow" HorizontalAlignment="Right" 
Width="600" 
SizeToContent="Height">