kmpdfkit_demo/Demo/Examples/Compdfkit_Tools/Measure/MeasureSettingPanel.xaml

<UserControl x:Class="Compdfkit_Tools.Measure.MeasureSettingPanel"
             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:Compdfkit_Tools.Measure"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <Border x:Name="SettingPanel" BorderBrush="LightGray" CornerRadius="4" Background="White" Width="530" Height="350">
        <Border.Effect>
            <DropShadowEffect BlurRadius="20" ShadowDepth="0" Color="Black" Opacity="0.4"/>
        </Border.Effect>

        <Grid Margin="20">
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
            </Grid.RowDefinitions>
            <TextBlock FontSize="16">Settings</TextBlock>

            <Grid Grid.Row="1" Margin="0,20,0,0">
                <Grid.RowDefinitions>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                </Grid.RowDefinitions>
                <TextBlock FontSize="14" FontWeight="Bold">Custom Scale</TextBlock>
                <TextBlock FontSize="14" Grid.Row="1" Margin="0,10,0,10">Drawing dimensions: Actual size</TextBlock>
                <StackPanel Grid.Row="2" Orientation="Horizontal">
                    <TextBox Name="RulerBaseText" Width="110"  VerticalContentAlignment="Center" FontSize="14"
                             InputMethod.IsInputMethodEnabled="False"
                             PreviewKeyDown="TextBox_PreviewKeyDown"
                             CommandManager.PreviewCanExecute="TextBox_CanExecute" MaxLength="6">
                        
                    </TextBox>
                    <ComboBox Name="RulerBaseUnitCombo" Width="110" FontSize="14" Margin="10,0,0,0" VerticalContentAlignment="Center">
                        <ComboBoxItem>in</ComboBoxItem>
                        <ComboBoxItem IsSelected="True">cm</ComboBoxItem>
                        <ComboBoxItem>mm</ComboBoxItem>
                    </ComboBox>
                    <TextBlock FontSize="14" Margin="10,0,10,0">=</TextBlock>
                    <TextBox Name="RulerTranslateText" Width="110" FontSize="14" VerticalContentAlignment="Center"
                             InputMethod.IsInputMethodEnabled="False"
                             PreviewKeyDown="TextBox_PreviewKeyDown"
                             CommandManager.PreviewCanExecute="TextBox_CanExecute" MaxLength="6">

                    </TextBox>
                    <ComboBox Name="RulerTranslateCombo" Width="110" FontSize="14" Margin="10,0,0,0" VerticalContentAlignment="Center">
                        <ComboBoxItem>pt</ComboBoxItem>
                        <ComboBoxItem IsSelected="True">cm</ComboBoxItem>
                        <ComboBoxItem>in</ComboBoxItem>
                        <ComboBoxItem>mm</ComboBoxItem>
                        <ComboBoxItem>m</ComboBoxItem>
                        <ComboBoxItem>km</ComboBoxItem>
                        <ComboBoxItem>ft</ComboBoxItem>
                        <ComboBoxItem>yd</ComboBoxItem>
                        <ComboBoxItem>mi</ComboBoxItem>
                    </ComboBox>
                </StackPanel>
                <TextBlock Grid.Row="3" Margin="0,10,0,10" FontSize="14">
                    Precision
                </TextBlock>
                <ComboBox Name="PrecisionBox" Grid.Row="4" Width="110" HorizontalAlignment="Left">
                    <ComboBoxItem>1</ComboBoxItem>
                    <ComboBoxItem >0.1</ComboBoxItem>
                    <ComboBoxItem IsSelected="True">0.01</ComboBoxItem>
                    <ComboBoxItem>0.001</ComboBoxItem>
                    <ComboBoxItem>0.0001</ComboBoxItem>
                </ComboBox>
            </Grid>
            
            <Separator Grid.Row="2" Margin="0,10,0,10"></Separator>

            <Grid Grid.Row="3"  x:Name="AreaAndLength" Visibility="Collapsed">
                <Grid.RowDefinitions>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                </Grid.RowDefinitions>

                <TextBlock FontSize="14" >Show Caption</TextBlock>
                <CheckBox x:Name="LengthCheckBox" IsChecked="True" Grid.Row="1" Margin="0,10,0,10" FontSize="14">Length</CheckBox>
                <CheckBox x:Name="AreaCheckBox" IsChecked="True" Grid.Row="2" FontSize="14">Area</CheckBox>
            </Grid>

            <StackPanel Grid.Row="4" HorizontalAlignment="Right" Orientation="Horizontal">
                <Button Width="110" Height="32" Click="ButtonCancel_Click">Cancel</Button>
                <Button Width="110" Height="32" Click="ButtonDone_Click" Margin="10,0,0,0">Done</Button>
            </StackPanel>
        </Grid>
    </Border>
</UserControl>