OHV/Dev/OHV/OHV.Module.Interactivity/PopUp/InOutView.xaml

<UserControl x:Class="OHV.Module.Interactivity.PopUp.InOutView"
             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:OHV.Module.Interactivity.PopUp"
             xmlns:IOBtn="clr-namespace:GSG.NET.WPF.ControlResources;assembly=GSG.NET.WPF"
             mc:Ignorable="d" 
             xmlns:materialDesign="http://materialdesigninxaml.net/winfx/xaml/themes"
             xmlns:prism="http://prismlibrary.com/"
             prism:ViewModelLocator.AutoWireViewModel="True"
             Height="1080" Width="1920"
             Background="#CC282C34">

    <prism:Dialog.WindowStyle>
        <Style TargetType="Window">
            <Setter Property="prism:Dialog.WindowStartupLocation" Value="CenterScreen" />
            <Setter Property="Background" Value="Transparent"/>
            <Setter Property="AllowsTransparency" Value="True"/>
            <Setter Property="ResizeMode" Value="NoResize"/>
            <Setter Property="SizeToContent" Value="WidthAndHeight"/>
            <Setter Property="WindowStyle" Value="None"/>
            <Setter Property="BorderThickness" Value="1"/>
            <Setter Property="BorderBrush" Value="{DynamicResource BorderSolidNormal}"/>
            <Setter Property="Template" Value="{DynamicResource WindowTemplateKey}"/>
            <Setter Property="WindowState" Value="Maximized"/>

            <!--<Style.Triggers>
                <Trigger Property="ResizeMode" Value="CanResizeWithGrip">
                    <Setter Property="Template" Value="{StaticResource WindowTemplateKey}"/>
                </Trigger>
            </Style.Triggers>-->
        </Style>
    </prism:Dialog.WindowStyle>

    <Border BorderBrush="Gray" BorderThickness="1" Width="1000" Height="800">
        <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition/>
            <ColumnDefinition Width="130"/>
        </Grid.ColumnDefinitions>

        <DockPanel>
            <ContentControl Grid.Column="0" prism:RegionManager.RegionName="IOView"/>
        </DockPanel>

            <Grid Grid.Column="1" HorizontalAlignment="Stretch" Background="#263238">
                <Border Margin="1" BorderBrush="#FF00FFD3" BorderThickness="2" VerticalAlignment="Stretch" HorizontalAlignment="Stretch"/>
                <StackPanel VerticalAlignment="Bottom">
                    <Button FontSize="20" Margin="10,0,10,10" HorizontalAlignment="Stretch" Height="90" BorderBrush="Gray" BorderThickness="2" Command="{Binding CloseDialogCommand}" CommandParameter="true">
                        <StackPanel>
                            <materialDesign:PackIcon Kind="ExitToApp" VerticalAlignment="Stretch" HorizontalAlignment="Stretch" Height="42" Width="auto"/>
                            <TextBlock Text="Close" VerticalAlignment="Stretch" HorizontalAlignment="Center" />
                        </StackPanel>
                    </Button>
                </StackPanel>
            </Grid>
        </Grid>
    </Border>
</UserControl>