kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/Common/PropertyControl/PDFFont/CPDFFontUI.xaml

<UserControl x:Class="compdfkit_tools.Common.CPDFFontUI"
             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.Common"
             mc:Ignorable="d" 
             d:DesignHeight="80" d:DesignWidth="300">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition></RowDefinition>
            <RowDefinition></RowDefinition>
            <RowDefinition></RowDefinition>
        </Grid.RowDefinitions>
        <ComboBox x:Name="FontFamilyComboBox" SelectionChanged="FontFamilyComboBox_SelectionChanged"> </ComboBox>
        <Grid Grid.Row="1">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="2*"></ColumnDefinition>
                <ColumnDefinition></ColumnDefinition>
            </Grid.ColumnDefinitions>
            <ComboBox x:Name="FontStyleComboBox" SelectionChanged="FontStyleComboBox_SelectionChanged"></ComboBox>
            <local:DropDownNumberBoxControl x:Name="FontSizeComboBox" Maxium="100" Minimum="1" Grid.Column="1" Unit="pt" Text="{Binding FontSizeValue,Mode=TwoWay}"></local:DropDownNumberBoxControl>
        </Grid>
        <StackPanel Orientation="Horizontal" Grid.Row="2">
            <RadioButton x:Name="LeftAlignRadioButton" Content="Left" Tag="Left" IsChecked="True" Checked="AlignRadioButton_Checked"></RadioButton>
            <RadioButton x:Name="CenterAlignRadioButton" Content="Center" Tag="Center" Checked="AlignRadioButton_Checked"></RadioButton>
            <RadioButton x:Name="RightAlignRadioButton" Content="Right" Tag="Right" Checked="AlignRadioButton_Checked"></RadioButton>
        </StackPanel>
    </Grid>
</UserControl>