ConnectionDialog.xaml

<Window x:Class="NHPad.ConnectionDialog"
        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:NHPad="clr-namespace:NHPad"
        Title="NHibernate Configuration"
        WindowStartupLocation="CenterOwner"
        mc:Ignorable="d" MinWidth="400" MinHeight="150" Width="400" Height="150"
        d:DesignHeight="150" d:DesignWidth="400"
        d:DataContext="{d:DesignInstance NHPad:DriverDataWrapper}">
    <DockPanel LastChildFill="False">
        <Label DockPanel.Dock="Top">Assembly exposing ISessionFactory:</Label>
        <TextBox DockPanel.Dock="Top" Text="{Binding ClientAssembly}"/>
        <StackPanel Orientation="Horizontal" HorizontalAlignment="Right" DockPanel.Dock="Bottom">
            <Button DockPanel.Dock="Right" Content="OK" IsDefault="True" Click="HandleOk" MinWidth="50" Margin="5" />
            <Button DockPanel.Dock="Right" Content="Cancel" IsCancel="True" MinWidth="50" Margin="5"/>
        </StackPanel>
    </DockPanel>
</Window>