prs/prs.desktop/Panels/Jobs/JobRFIPanel.xaml

<UserControl x:Class="PRSDesktop.JobRFIPanel"
             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="300" d:DesignWidth="1000">
    <dynamicGrid:DynamicSplitPanel Anchor="Master" AnchorWidth="500" View="Combined" AllowableViews="Combined, Master" OnChanged="DynamicSplitPanel_OnOnChanged">
        <dynamicGrid:DynamicSplitPanel.Header>
            <Border DockPanel.Dock="Top" BorderBrush="Gray" BorderThickness="0.75" Background="Gainsboro" Height="30">
                <Label Content="Requests for Information" HorizontalContentAlignment="Center" FontWeight="Bold" FontSize="12"/>
            </Border>
        </dynamicGrid:DynamicSplitPanel.Header>
        
        <dynamicGrid:DynamicSplitPanel.Master>
            <local:JobRFIGrid x:Name="RFIs" OnSelectItem="RFIs_OnOnSelectItem"></local:JobRFIGrid>    
        </dynamicGrid:DynamicSplitPanel.Master>
        
        <dynamicGrid:DynamicSplitPanel.Detail>
            <DockPanel>
                <Border DockPanel.Dock="Top" BorderBrush="Gray" BorderThickness="0.75" Background="Gainsboro" Height="30">
                    <Label Content="RFI Details" HorizontalContentAlignment="Center" FontWeight="Bold" FontSize="12"/>
                </Border>
                <dynamicGrid:EmbeddedDynamicEditorForm x:Name="RFIEditor" DockPanel.Dock="Bottom" OnOK="RFI_OnOnOK" OnCancel="RFI_OnOnCancel" Margin="-5"/>
            </DockPanel>
        </dynamicGrid:DynamicSplitPanel.Detail>
        
    </dynamicGrid:DynamicSplitPanel>
</UserControl>