PDFOffice_Windows_exe/PDF Office/Views/PropertyPanel/PropertyPanelContent.xaml

<UserControl x:Class="PDF_Office.Views.PropertyPanel.PropertyPanelContent"
             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
             xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006" 
             xmlns:d="http://schemas.microsoft.com/expression/blend/2008" 
             xmlns:local="clr-namespace:PDF_Office.Views.PropertyPanel"
             xmlns:AnnotPanel="clr-namespace:PDF_Office.Views.PropertyPanel.AnnotPanel"
              xmlns:Convert="clr-namespace:PDF_Office.DataConvert"
             xmlns:prism="http://prismlibrary.com/"             
             prism:ViewModelLocator.AutoWireViewModel="True"
             xmlns:PropertyPanel="clr-namespace:PDF_Office.ViewModels.PropertyPanel"
             d:DataContext="{d:DesignInstance Type=PropertyPanel:PropertyPanelContentViewModel}"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <Grid  VerticalAlignment="Stretch">

        <StackPanel Name="PropEmpty" Margin="28  0 28 0" Grid.Column="4" VerticalAlignment="Center">
            <Image Width="140" Height="140" Source="../../Resources/PropertyPanel/propertybar_empty.png" RenderOptions.BitmapScalingMode="HighQuality" UseLayoutRounding="True"/>
            <TextBlock Name="txtPropEmpty" Text="Show/Hide Annotation Properties Panel" Width="200" TextWrapping="Wrap" Margin="0,7,0,0" TextAlignment="Center" FontFamily="Segoe UI" FontSize="16"/>
        </StackPanel>
    </Grid>
</UserControl>