<UserControl x:Class="Controls.SmartBox.SmartBoxControl"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch"
    Height="24">
    <Grid x:Name="LayoutRoot" HorizontalAlignment="Stretch" VerticalAlignment="Center">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*" />
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>
        
        <TextBox Name="textSelectedItem" Grid.Column="0"
                 IsReadOnly="True" 
                 IsEnabled="{Binding Enabled}" 
                 Text="{Binding SelectedItem}"
                 />

        <Button Name="btnSelect" Grid.Column="1"
                Content="..." 
                IsEnabled="{Binding SelectButtonEnabled}"
                Click="btnSelect_Click"
                Width="20" Margin="2,2,0,2"
                />

        <Button Name="btnClear" Grid.Column="2"
                Content="X" 
                IsEnabled="{Binding ClearButtonEnabled}"     
                Click="btnClear_Click"
                Width="20" Margin="2,2,0,2"
                />
    </Grid>
</UserControl>