AutoDimWindow.xaml

<Window xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="Automatic Dimensions"
        Width="520" SizeToContent="Height"
        ResizeMode="NoResize"
        ShowInTaskbar="False"
        WindowStartupLocation="CenterScreen">

    <Window.Resources>
        <Style TargetType="TextBlock" x:Key="RowLabel">
            <Setter Property="VerticalAlignment" Value="Center"/>
            <Setter Property="Margin" Value="0,0,12,0"/>
            <Setter Property="FontSize" Value="12"/>
        </Style>
        <Style TargetType="RadioButton">
            <Setter Property="VerticalAlignment" Value="Center"/>
            <Setter Property="Margin" Value="0,0,18,0"/>
            <Setter Property="FontSize" Value="12"/>
        </Style>
        <Style TargetType="TextBlock" x:Key="Hint">
            <Setter Property="FontSize" Value="10"/>
            <Setter Property="Foreground" Value="#888888"/>
            <Setter Property="TextWrapping" Value="Wrap"/>
            <Setter Property="Margin" Value="0,2,0,0"/>
        </Style>
    </Window.Resources>

    <Grid Margin="16">
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="120"/>
            <ColumnDefinition Width="*"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>

        <!-- what to dimension -->
        <TextBlock Grid.Row="0" Grid.Column="0" Text="Dimension:"
                   Style="{StaticResource RowLabel}"/>
        <StackPanel Grid.Row="0" Grid.Column="1" Orientation="Horizontal">
            <RadioButton x:Name="mode_ext_rb" GroupName="Mode"
                         Content="Exterior" Checked="mode_changed"/>
            <RadioButton x:Name="mode_int_rb" GroupName="Mode"
                         Content="Interior" Checked="mode_changed"/>
        </StackPanel>

        <TextBlock x:Name="mode_hint_tb" Grid.Row="1" Grid.Column="1"
                   Style="{StaticResource Hint}" Margin="0,2,0,10"/>

        <!-- measure to -->
        <TextBlock Grid.Row="2" Grid.Column="0" Text="Measure walls to:"
                   Style="{StaticResource RowLabel}"/>
        <StackPanel Grid.Row="2" Grid.Column="1" Orientation="Horizontal">
            <RadioButton x:Name="face_finish_rb" GroupName="Face"
                         Content="Face of finish"/>
            <RadioButton x:Name="face_core_rb" GroupName="Face"
                         Content="Face of core (stud)"/>
        </StackPanel>
        <TextBlock Grid.Row="3" Grid.Column="1"
                   Text="Core faces are calibrated per wall at placement; any wall that cannot be calibrated falls back to its finish face and is named in the notes."
                   Style="{StaticResource Hint}" Margin="0,2,0,10"/>

        <!-- openings -->
        <TextBlock Grid.Row="4" Grid.Column="0" Text="Openings:"
                   Style="{StaticResource RowLabel}"/>
        <StackPanel Grid.Row="4" Grid.Column="1" Orientation="Horizontal">
            <RadioButton x:Name="open_cl_rb" GroupName="Openings"
                         Content="Centreline"/>
            <RadioButton x:Name="open_ro_rb" GroupName="Openings"
                         Content="Rough opening (jambs)"/>
        </StackPanel>
        <TextBlock Grid.Row="5" Grid.Column="1"
                   Text="Applies to both exterior and interior strings."
                   Style="{StaticResource Hint}" Margin="0,2,0,10"/>

        <!-- exterior offsets -->
        <TextBlock Grid.Row="6" Grid.Column="0" Text="Exterior strings:"
                   Style="{StaticResource RowLabel}"/>
        <StackPanel Grid.Row="6" Grid.Column="1" Orientation="Horizontal">
            <TextBlock Text="First offset" Style="{StaticResource RowLabel}"
                       Margin="0,0,6,0"/>
            <ComboBox x:Name="first_offset_cb" IsEditable="True"
                      Width="140" FontSize="12" VerticalAlignment="Center"/>
            <TextBlock Text="Spacing" Style="{StaticResource RowLabel}"
                       Margin="14,0,6,0"/>
            <ComboBox x:Name="spacing_cb" IsEditable="True"
                      Width="70" FontSize="12" VerticalAlignment="Center"/>
        </StackPanel>
        <TextBlock Grid.Row="7" Grid.Column="1"
                   Text="Paper distances, multiplied by the view scale. Auto picks a per-scale preset (1/2&quot; at 1/8&quot; scale, 3/4&quot; at 1/4&quot; scale). Exterior strings only."
                   Style="{StaticResource Hint}" Margin="0,2,0,10"/>

        <!-- side splitting -->
        <TextBlock Grid.Row="8" Grid.Column="0" Text="Split sides:"
                   Style="{StaticResource RowLabel}"/>
        <StackPanel Grid.Row="8" Grid.Column="1" Orientation="Horizontal">
            <TextBox x:Name="split_tb" Width="60" FontSize="12"
                     VerticalAlignment="Center"/>
            <TextBlock Text="ft  (0 = automatic, by wall-crossing rule)"
                       Style="{StaticResource RowLabel}" Margin="8,0,0,0"/>
        </StackPanel>
        <TextBlock Grid.Row="9" Grid.Column="1"
                   Text="A wall joins a farther string only when its witness lines would not cross another selected wall. Enter a distance in feet to also split anything dragged farther than that."
                   Style="{StaticResource Hint}" Margin="0,2,0,10"/>

        <!-- dry run -->
        <TextBlock Grid.Row="10" Grid.Column="0" Text="Run as:"
                   Style="{StaticResource RowLabel}"/>
        <StackPanel Grid.Row="10" Grid.Column="1">
            <CheckBox x:Name="dry_cb" Content="Dry run - report only, no model changes"
                      FontSize="12" VerticalAlignment="Center"/>
            <CheckBox x:Name="audit_cb" Content="Report which wall face each dimension picked"
                      FontSize="12" Margin="0,6,0,0"/>
        </StackPanel>

        <!-- footer -->
        <Grid Grid.Row="11" Grid.Column="0" Grid.ColumnSpan="2" Margin="0,18,0,0">
            <TextBlock x:Name="status_tb" VerticalAlignment="Center"
                       FontSize="11" Foreground="#666666" FontStyle="Italic"/>
            <StackPanel Orientation="Horizontal" HorizontalAlignment="Right">
                <Button Content="Cancel" Width="86" Height="28" Margin="0,0,8,0"
                        IsCancel="True" Click="cancel_clicked"/>
                <Button Content="Dimension" Width="96" Height="28"
                        IsDefault="True" Click="dimension_clicked"/>
            </StackPanel>
        </Grid>
    </Grid>
</Window>