Проблема Wpf menubar - menuitem не отображаются во время выполнения

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Эй народ,
Я использую следующий код и понятия не имею, почему во время выполнения элементы меню не отображаются.
Ценю вашу поддержку:)

Что я уже пробовал:

<pre><Window

    x:Class="FFApp.MainWindow"

    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"

    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"

    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"

    xmlns:local="clr-namespace:FFApp"

    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"

    Title="FFApp"

    Width="1360"

    Height="768"

    MinWidth="{Binding WindowMinimumWidth}"

    MinHeight="{Binding WindowMinimumHeight}"

    AllowsTransparency="true"

    FontFamily="Yu Gothic"

    WindowStartupLocation="CenterScreen"

    WindowStyle="None"

    mc:Ignorable="d">

    <Window.Resources>
        <Style TargetType="{x:Type local:MainWindow}">
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type Window}">
                        <!--  Outer border with the dropshadow margin  -->
                        <Border Padding="{Binding OuterMarginSizeThickness, FallbackValue=10}">
                            <Grid>
                                <!--  Opacity mask for corners on grid  -->
                                <Border
                                    x:Name="Container"
                                    Background="{StaticResource BackgroundLight}"
                                    CornerRadius="{Binding WindowCornerRadius, FallbackValue=10}" />
                                <!--  Window border and dropshadown  -->
                                <Border Background="{StaticResource BackgroundGold}" CornerRadius="{Binding WindowCornerRadius, FallbackValue=10}">
                                    <Border.Effect>
                                        <DropShadowEffect Opacity="0.8" ShadowDepth="0" />
                                    </Border.Effect>
                                </Border>
                                <!--  The main window content  -->
                                <Grid>
                                    <!--  Corner clipping  -->
                                    <Grid.OpacityMask>
                                        <VisualBrush Visual="{Binding ElementName=Container}" />
                                    </Grid.OpacityMask>

                                    <Grid.RowDefinitions>
                                        <!--  Header  -->
                                        <RowDefinition Height="{Binding TitleHeightGridLength, FallbackValue=32}" />
                                        <!--  Input Area  -->
                                        <RowDefinition Height="*" />
                                    </Grid.RowDefinitions>

                                    <!--  TitleBar  -->
                                        <!--  Header  -->
                                        <Menu >
                                            <MenuItem Header="_File">
                                                <MenuItem Header="_New..." />
                                                <Separator />
                                                <MenuItem Header="_Open..." />
                                                <Separator />
                                                <MenuItem Header="_Save" />
                                                <MenuItem Header="_Save As..." />
                                                <Separator />
                                                <MenuItem Header="_Exit" />
                                            </MenuItem>
                                            <MenuItem Header="_Edit">
                                                <MenuItem Command="Cut" Header="_Cut" />
                                                <MenuItem Command="Copy" Header="_Copy" />
                                                <MenuItem Command="Paste" Header="_Paste" />
                                            </MenuItem>
                                            <MenuItem Header="_View" />
                                            <MenuItem Header="_Window" />
                                            <MenuItem Header="_Help" />
                                        </Menu>                                        
                                    </DockPanel>

                                    <!--  Working Frame  -->
                                    <Grid Grid.Row="1">
                                        <Grid.ColumnDefinitions>
                                            <!--  Working section  -->
                                            <ColumnDefinition Width="8*" />
                                            <!--  Result Overview  -->
                                            <ColumnDefinition Width="125" />
                                        </Grid.ColumnDefinitions>
                                        <Grid>
                                            <Grid.RowDefinitions>
                                                <RowDefinition Height="9*" />
                                                <RowDefinition Height="9*" />
                                                <RowDefinition Height="{Binding TitleHeightGridLength, FallbackValue=32}" />
                                                <!--  Same like Title height  -->
                                            </Grid.RowDefinitions>
                                            <!--  InputBar  -->
                                            <TabControl Grid.Row="0" Grid.Column="0">
                                                <TabItem Header="General">
                                                    <Label Content="Content goes here..." />
                                                </TabItem>
                                                <TabItem Header="Security" />
                                                <TabItem Header="Details" />
                                            </TabControl>                                            

                                            <StackPanel Grid.Row="2" Orientation="Horizontal">
                                                <Label

                                                    Name="Info"

                                                    Margin="10,2,2,2"

                                                    HorizontalAlignment="Left"

                                                    Content="Info: "

                                                    FontWeight="ExtraBold"

                                                    Foreground="{StaticResource TextStandardBright}" />
                                                <Label

                                                    Name="InfoTexts"

                                                    Width="800"

                                                    Margin="10,2,2,2"

                                                    HorizontalAlignment="Left"

                                                    HorizontalContentAlignment="Left"

                                                    FontWeight="Normal"

                                                    Foreground="{StaticResource TextStandardBright}" />
                                            </StackPanel>
                                        </Grid>
                                        <!--  Results Overview  -->
                                        <StackPanel

                                            Grid.Column="1"

                                            Margin="0,2,2,2"

                                            Background="{StaticResource BackgroundGold}" />
                                    </Grid>
                                </Grid>
                            </Grid>
                        </Border>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </Window.Resources>

    <WindowChrome.WindowChrome>
        <WindowChrome

            CaptionHeight="{Binding TitleHeight}"

            CornerRadius="0"

            GlassFrameThickness="0"

            ResizeBorderThickness="{Binding ResizeBorderThickness}" />
    </WindowChrome.WindowChrome



</Window>

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