WPF

Quote:

Could not load type 'Microsoft.Expression.DesignModel.Core.ISharedInstanceBuilder' from assembly 'Microsoft.Expression.DesignModel, Version=4.0.0.0, Culture=neutral, PublicKeyToken=b03f5f7f11d50a3a.'

<local:BarcodeScannerView RegistrationName="{Binding DataContext.RegistrationName, ElementName=window}"
                            RegistrationKey="{Binding DataContext.RegistrationKey, ElementName=window}"
                            Camera="{Binding DataContext.CameraName, ElementName=window}"
                            BarcodesToFind="{Binding DataContext.Barcodes, ElementName=window}"
                            ResolutionHeight="{Binding DataContext.ResolutionHeight, ElementName=window}"
                            ResolutionWidth="{Binding DataContext.ResolutionWidth, ElementName=window}"
                            ScanDelay="{Binding DataContext.ScanDelay, ElementName=window}"
                            PlaySound="{Binding DataContext.PlaySound, ElementName=window}"
                            Enabled="True"/>

protected override IModuleCatalog CreateModuleCatalog()
        {
            DirectoryModuleCatalog catelog = new DirectoryModuleCatalog();
            catelog.ModulePath = @".\Modules";
            return catelog;
        }

protected override void ConfigureModuleCatalog()
        {
            base.ConfigureModuleCatalog();
            ModuleCatalog moduleCatalog = (ModuleCatalog)this.ModuleCatalog;
            moduleCatalog.AddModule(typeof(moduleA));
            moduleCatalog.AddModule(typeof(moduleB));
            moduleCatalog.AddModule(typeof(moduleC));
            moduleCatalog.AddModule(typeof(moduleD));
            moduleCatalog.AddModule(typeof(moduleE));
        }

if "Debug"=="$(ConfigurationName)" goto :nocopy
del "$(TargetPath).config"
copy "$(ProjectDir)\Release.config" "$(TargetPath).config"
:nocopy

<Grid>

<pre>
<Grid.RowDefinitions>
    <RowDefinition Height="Auto"/>
    <RowDefinition Height="*"/>
</Grid.RowDefinitions>
<Grid.ColumnDefinitions>
    <ColumnDefinition Width="Auto"/>
    <ColumnDefinition Width="Auto"/>
</Grid.ColumnDefinitions>

<Button Grid.Row="0" 
        Grid.Column="0"
        x:Name="connectBt"
        Height="32"
        Width="100"
        Margin="10,0,2,0"
        Click="ConnectBt_Click"
        Content="Connect"/>

<Button Grid.Row="0" 
        Grid.Column="1"
        x:Name="disconnectBt"
        Height="32"
        Width="100"
        Margin="2,10,10,10"
        Click="DisconnectBt_Click"
        Content="Disconnect"/>

<wfi:WindowsFormsHost Grid.Row="1"
                        Grid.Column="0"
                        Grid.ColumnSpan="2">
    <aforge:VideoSourcePlayer x:Name="videoSourcePlayer" 
                                Dock="Fill"/>
</wfi:WindowsFormsHost>

public partial class MainWindow : Window
{
    #region CTOR
    public MainWindow()
    {
        InitializeComponent();

        this.DataContext = this;

        videoSourcePlayer.NewFrame += VideoSourcePlayer_NewFrame;
        videoSourcePlayer.Height = 320;
        videoSourcePlayer.Width = 320;
    }
    #endregion

    #region Private Methods
    private void Connect()
    {
        FilterInfoCollection videoDevices = new FilterInfoCollection(FilterCategory.VideoInputDevice);

        if (videoDevices.Count == 0)
        {
            throw new ApplicationException();
        }

        var selectdDevice = videoDevices[0].MonikerString;
        VideoCaptureDevice videoSource = new VideoCaptureDevice(selectdDevice);

        OpenVideoSource(videoSource);
    }

    private void Disconnect()
    {
        if (videoSourcePlayer.VideoSource != null)
        {
            videoSourcePlayer.SignalToStop();
            videoSourcePlayer.WaitForStop();
        }
    }

    private void HandleNewFrame(ref Bitmap image)
    {
        //TODO: handle this later
    }

    private void OpenVideoSource(IVideoSource source)
    {
        videoSourcePlayer.SignalToStop();
        videoSourcePlayer.WaitForStop();
        videoSourcePlayer.VideoSource = source;
        videoSourcePlayer.Start();
    }
    #endregion

    #region Event Handlers
    private void Window_Unloaded(object sender, RoutedEventArgs e)
    {
        Disconnect();
    }

    private void ConnectBt_Click(object sender, RoutedEventArgs e)
    {
        Connect();
    }

    private void DisconnectBt_Click(object sender, RoutedEventArgs e)
    {
        Disconnect();
    }

    private void VideoSourcePlayer_NewFrame(object sender, ref Bitmap image)
    {
        HandleNewFrame(ref image);
    }
    #endregion
}
When I run this, the VideoSourcePlayer displays "Connecting..." but i never does. The camera moniker string is "@device:pnp:\\?\usb#vid_046d&pid_082d&mi_00#6&39ab8351&0&0000#{65e8773d-8f56-11d0-a3b9-00a0c9223196}\global". it's a Logitech USB camera.