prs/prs.desktop/DockPanels/JobDock.xaml

<UserControl x:Class="PRSDesktop.JobDock"
             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"
             mc:Ignorable="d"
             d:DesignHeight="600" d:DesignWidth="400">
    <Grid x:Name="grid">
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
            <RowDefinition Height="*" />
        </Grid.RowDefinitions>

        <DockPanel Grid.Row="0" Margin="0,0,0,4">
            <Label 
                DockPanel.Dock="Left" 
                Content="Job Status:" />
            <ComboBox 
                x:Name="JobStatus" 
                DockPanel.Dock="Left" 
                DisplayMemberPath="Value" 
                SelectedValuePath="Key"
                VerticalContentAlignment="Center" 
                SelectionChanged="JobStatus_SelectionChanged" 
                SelectedIndex="0" />
        </DockPanel>
        
    </Grid>

</UserControl>