问多项目解决方案(混合平台)上的System.Windows.Markup.XamlParseException

EN

using WPFSolution;
using System.Windows.Forms.Integration;

private void buttonOpenWPFUi_Click(object sender, EventArgs e)
    {
        var pm = new ProductsMenu();
        ElementHost.EnableModelessKeyboardInterop(pm);
        pm.Show();
    }

<Application x:Class="WPFSolution.App"
         xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
         xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
         StartupUri="ProductsMenu.xaml" ShutdownMode="OnMainWindowClose">
<Application.Resources>
    <ResourceDictionary>
        <ResourceDictionary.MergedDictionaries>
            <!-- MahApps.Metro resource dictionaries. Make sure that all file names are Case Sensitive! -->
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Fonts.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Colors.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Controls.AnimatedTabControl.xaml" />
            <!-- Accent and AppTheme setting -->
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/Red.xaml" />
            <ResourceDictionary Source="pack://application:,,,/MahApps.Metro;component/Styles/Accents/BaseLight.xaml" />
            <!-- BaseDark.xaml | BaseLight.xaml -->
            <!-- Icons -->
            <ResourceDictionary Source="pack://application:,,,/WPFSolution;component/Resources/Icons.xaml"></ResourceDictionary>

            <!-- Languages -->
            <!--<ResourceDictionary Source="Resources/StringResources.en.xaml"></ResourceDictionary>-->
            <ResourceDictionary Source="Resources/StringResources.it.xaml"></ResourceDictionary>

        </ResourceDictionary.MergedDictionaries>

        <Style TargetType="{x:Type ToolTip}">
            <Setter Property="Background" Value="White"/>
            <Setter Property="BorderBrush" Value="Red"/>
            <Setter Property="BorderThickness" Value="2"/>
            <Setter Property="FontSize" Value="18"/>
            <Setter Property="FontWeight" Value="Bold"/>
            <Setter Property="Padding" Value="7,4,7,4"/>
        </Style>


        <!--IMMAGINI -->
        <!--nodi-->
        <!--<BitmapImage x:Key="Nodo1" UriSource="Resources/img/TileImages/nodi/nodo1.jpg"></BitmapImage>
        <BitmapImage x:Key="Nodo2" UriSource="Resources/img/TileImages/nodi/nodo2.jpg"></BitmapImage>
        <BitmapImage x:Key="Nodo3" UriSource="Resources/img/TileImages/nodi/nodo3.jpg"></BitmapImage>
        <BitmapImage x:Key="Nodo4" UriSource="Resources/img/TileImages/nodi/nodo4.jpg"></BitmapImage>-->


    </ResourceDictionary>
</Application.Resources>