<UserControl x:Class="CBR.Views.XpsBookView"

             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:Converters="clr-namespace:CBR.Components.Converters"

             mc:Ignorable="d" 

             d:DesignHeight="300" d:DesignWidth="300">

    <Grid>

        <DocumentViewer Document="{Binding DocumentContent}" Background="Black" Zoom="{Binding Scale, Mode=TwoWay, StringFormat={}{0:0}\%, Converter={x:Static Converters:ScaleToPercentConverter.Instance}}" />

    </Grid>

</UserControl>