kmpdfkit_demo/Demo/Examples/Compdfkit.Controls/Edit/PDFTextEdit/PDFTextEditControl/PDFTextEditControl.xaml

<UserControl x:Class="ComPDFKit.Controls.Edit.PDFTextEditControl"
             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.Controls.Edit"
             xmlns:common="clr-namespace:ComPDFKit.Controls.Common"
             mc:Ignorable="d" 
             d:DesignHeight="800" d:DesignWidth="292" Width="260" Padding="16,0,16,0"  Background="#FAFCFF">
    <UserControl.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="../../../Asset/Styles/SliderStyle.xaml"></ResourceDictionary>
            </ResourceDictionary.MergedDictionaries>
            <common:PropertyPanelResourceConverter x:Key="PropertyPanelResourceConverter"></common:PropertyPanelResourceConverter>
        </ResourceDictionary>
    </UserControl.Resources>
    <ScrollViewer VerticalScrollBarVisibility="Auto">

        <Grid>
            <Grid.RowDefinitions>
                <RowDefinition Height="auto"></RowDefinition>
                <RowDefinition Height="auto"></RowDefinition>
            </Grid.RowDefinitions>

            <Border Height="36" Background="White">
                <TextBlock FontSize="14" FontWeight="Bold" HorizontalAlignment="Center" LineHeight="17" VerticalAlignment="Center"
                       Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Title_TextProperty}"></TextBlock>
            </Border>

            <Grid Grid.Row="1">
                <Grid.RowDefinitions>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                    <RowDefinition Height="auto"></RowDefinition>
                </Grid.RowDefinitions>

                <TextBlock Margin="0,20,0,0" Foreground="#0E1114" FontSize="14"
                       Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Property_FontColor}"></TextBlock>

                <common:ColorPickerControl x:Name="FontColorUI" Grid.Row="1" Margin="0,20,0,0" TransparentBtnProperty="Collapsed"></common:ColorPickerControl>

                <Grid Grid.Row="2" Margin="0,20,0,0" Visibility="Visible">
                    <Grid.ColumnDefinitions>
                        <ColumnDefinition Width="*"></ColumnDefinition>
                        <ColumnDefinition Width="auto"></ColumnDefinition>
                    </Grid.ColumnDefinitions>
                    <Grid.RowDefinitions>
                        <RowDefinition Height="auto"></RowDefinition>
                        <RowDefinition Height="auto"></RowDefinition>
                    </Grid.RowDefinitions>

                    <TextBlock FontSize="14" Foreground="#43474D"
                           Text="{Binding Converter={StaticResource PropertyPanelResourceConverter},ConverterParameter=Property_Opacity}"></TextBlock>

                    <Slider Style="{StaticResource SliderStyle}" Grid.Row="1" Width="148" Height="28"
                    Name="FontOpacitySlider" 
                    Value="14"  
                    IsSelectionRangeEnabled="True" 
                    IsMoveToPointEnabled="True" 
                    Margin="2,20,2,0"  
                    Maximum="1" 
                    Minimum="0" 
                    TickFrequency="0.01"
                    IsSnapToTickEnabled="True" 
                    Thumb.DragCompleted="SliderOpacity_DragCompleted"
                    Thumb.DragStarted="Slider_DragStarted"
                    ValueChanged="SliderOpacity_ValueChanged"
                    Tag="true"
                    />

                    <Grid Grid.Row="1" Grid.Column="1" Margin="0,10,0,0">
                        <ComboBox Name="OpacityComboBox" VerticalContentAlignment="Center" Width="72" Height="28" Foreground="#43474D" FontSize="14"
                              SelectionChanged="OpacityComboBox_SelectionChanged" BorderBrush="#1E000000">
                            <ComboBoxItem>25%</ComboBoxItem>
                            <ComboBoxItem>50%</ComboBoxItem>
                            <ComboBoxItem>75%</ComboBoxItem>
                            <ComboBoxItem>100%</ComboBoxItem>
                        </ComboBox>
                        <TextBox Name="OpacityTextBox" IsHitTestVisible="False" Width="72" Height="30" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"
                             IsReadOnly="True" Background="White" Padding="0,0,15,0" FontSize="14">100%</TextBox>
                        <Path Fill="#43474D" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="0,0,5,0" IsHitTestVisible="False">
                            <Path.Data>
                                M0.5 0.510248L4.5041 5.5L8.5 0.5L0.5 0.510248Z
                            </Path.Data>
                        </Path>
                    </Grid>
                </Grid>

                <local:CPDFTextStyleUI x:Name="TextStyleUI" Grid.Row="3" FontSize="16" Margin="0,20,0,0"></local:CPDFTextStyleUI>

                <local:CPDFTextAlignUI x:Name="TextAlignUI" Grid.Row="4" FontSize="16" Margin="0,20,0,0" Width="150" HorizontalAlignment="Left"></local:CPDFTextAlignUI>

            </Grid> 
        </Grid>
    </ScrollViewer>

</UserControl>