prs/prs.desktop/Panels/Quotes/Designs/QuoteDesigns.xaml

<UserControl x:Class="PRSDesktop.QuoteDesigns"
             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:PRSDesktop"
             xmlns:syncfusion="http://schemas.syncfusion.com/wpf"
             xmlns:dynamicGrid="clr-namespace:InABox.DynamicGrid;assembly=InABox.Wpf"
             mc:Ignorable="d"
             d:DesignHeight="450" d:DesignWidth="800">
    <UserControl.Resources>
        <ControlTemplate x:Key="VerticalSplitter">
            <Grid Background="{TemplateBinding Background}" Width="4">
                <Button x:Name="PART_Left" Visibility="Collapsed" />
                <Button x:Name="PART_Right" Visibility="Collapsed" />
                <StackPanel Margin="0" Orientation="Vertical" VerticalAlignment="Center" HorizontalAlignment="Center">
                    <Ellipse Fill="Silver" HorizontalAlignment="Center" Height="2" Width="2" Opacity="1"
                             Margin="0,2,0,0" />
                    <Ellipse Fill="Silver" HorizontalAlignment="Center" Height="2" Width="2" Opacity="1"
                             Margin="0,2,0,0" />
                    <Ellipse Fill="Silver" HorizontalAlignment="Center" Height="2" Width="2" Opacity="1"
                             Margin="0,2,0,0" />
                    <Ellipse Fill="Silver" HorizontalAlignment="Center" Height="2" Width="2" Opacity="1"
                             Margin="0,2,0,0" />
                    <Ellipse Fill="Silver" HorizontalAlignment="Center" Height="2" Width="2" Opacity="1"
                             Margin="0,2,0,0" />
                    <Ellipse Fill="Silver" HorizontalAlignment="Center" Height="2" Width="2" Opacity="1"
                             Margin="0,2,0,0" />
                    <Ellipse Fill="Silver" HorizontalAlignment="Center" Height="2" Width="2" Opacity="1"
                             Margin="0,2,0,0" />
                </StackPanel>
            </Grid>
        </ControlTemplate>
    </UserControl.Resources>


    <dynamicGrid:DynamicSplitPanel
        Anchor="Master" 
        AnchorWidth="350" 
        AllowableViews="Combined">
        
        <dynamicGrid:DynamicSplitPanel.Master>
            <local:QuoteDesignGrid
                x:Name="Designs"
                OnSelectItem="Designs_OnSelectItem"/>
        </dynamicGrid:DynamicSplitPanel.Master>

        <dynamicGrid:DynamicSplitPanel.Detail>
            <local:QuoteDesignItemGrid 
                x:Name="Items" />
        </dynamicGrid:DynamicSplitPanel.Detail>
        
    </dynamicGrid:DynamicSplitPanel>
    
</UserControl>