Unknown Build Error using WPF Toolkit

Posted by Tom Allen on Stack Overflow See other posts from Stack Overflow or by Tom Allen
Published on 2010-03-15T14:02:15Z Indexed on 2010/04/12 10:33 UTC
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I installed the Feb 2010 WPF Toolkit as I'm interested in evaluating the AutoCompleteBox control and I'm having extremely limited success. I can get the control to work, but as soon as I try and set any of it's properties in XAML, I get the following:

Unknown build error, 'Cannot resolve dependency to assembly 'WPFToolkit, Version=3.5.40128.1, Culture=neutral, PublicKeyToken=31bf3856ad364e35' because it has not been preloaded. When using the ReflectionOnly APIs, dependent assemblies must be pre-loaded or loaded on demand through the ReflectionOnlyAssemblyResolve event.

I've been testing this on a blank WPF window in a new solution. I'm guessing I'm just missing a reference or something... Here's the XAML (I've added nothing to the .xaml.cs):

<Window x:Class="WpfToolkitApplication.Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:toolkit="clr-namespace:System.Windows.Controls;assembly=System.Windows.Controls.Input.Toolkit"
    Title="Window1" Height="300" Width="300">
    <Grid>
        <toolkit:AutoCompleteBox Height="25"/>
    </Grid>
</Window>

The only reference I've added is System.Windows.Controls.Input.Toolkit. Any ideas?

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