desktop-edge-win/DesktopEdge/Views/Controls/FilePicker.xaml

<UserControl x:Class="ZitiDesktopEdge.FilePicker"
             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:ZitiDesktopEdge"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <Grid>
        <Label Content="{Binding LabelContent, RelativeSource={RelativeSource AncestorType=UserControl}}" 
               Foreground="White" 
               Opacity="0.7" 
               FontSize="12" 
               HorizontalAlignment="Left"
        />
        <StackPanel Orientation="Horizontal" 
                    HorizontalAlignment="Center">
            <TextBox x:Name="KeyFile" 
                     FontSize="14" 
                     Width="250" 
                     IsReadOnly="True" 
                     Text="{Binding KeyFileText, RelativeSource={RelativeSource AncestorType=UserControl}}"
                     IsTabStop="True"
            />
            <Button x:Name="BrowseKeyBtn" 
                    Content="{Binding ButtonContent, RelativeSource={RelativeSource AncestorType=UserControl}}" 
                    Margin="10,0,0,0" 
                    IsTabStop="True"
            />
        </StackPanel>
    </Grid>
</UserControl>