prs/prs.desktop/Panels/Jobs/Picking Lists/JobPickingListPanel.xaml

<UserControl x:Class="PRSDesktop.JobPickingListPanel"
             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:dynamicgrid="clr-namespace:InABox.DynamicGrid;assembly=InABox.Wpf"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <dynamicgrid:DynamicSplitPanel AnchorWidth="400" View="Combined" AllowableViews="Combined">

        <dynamicgrid:DynamicSplitPanel.Master>
            <local:JobPickingListGrid x:Name="PickingLists" OnSelectItem="PickingLists_OnSelectItem" />
        </dynamicgrid:DynamicSplitPanel.Master>

        <dynamicgrid:DynamicSplitPanel.Detail>
            <local:RequisitionItemGrid x:Name="Items" OnRequisitionChanged="Items_OnOnRequisitionChanged" AllowActual="false" />
        </dynamicgrid:DynamicSplitPanel.Detail>

    </dynamicgrid:DynamicSplitPanel>
</UserControl>