kmpdfkit_demo/Demo/Examples/Compdfkit.Controls/Edit/PDFTextEdit/PDFTextEditUI/CPDFTextMarkupUI.xaml

<UserControl x:Class="ComPDFKit.Controls.Edit.CPDFTextMarkupUI"
             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="150" d:DesignWidth="300">
    <UserControl.Resources>
        <ResourceDictionary>
            <ResourceDictionary.MergedDictionaries>
                <ResourceDictionary Source="../../../Asset/Styles/ButtonStyle.xaml"></ResourceDictionary>
            </ResourceDictionary.MergedDictionaries>
            <common:PropertyPanelResourceConverter x:Key="PropertyPanelResourceConverter"></common:PropertyPanelResourceConverter>
        </ResourceDictionary>
    </UserControl.Resources>

    <StackPanel Name="TextMarkupUI">
        <StackPanel Orientation="Horizontal">
            <Button Padding="0,5,0,5" Width="50" Height="30" BorderThickness="1" Click="AddUnderline_Click" Style="{StaticResource LightButtonStyle}" Background="White" BorderBrush="#1A000000">
                <Button.Content>
                    <Path Fill="#43474D">
                        <Path.Data>
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                    </Path>
                </Button.Content>
            </Button>
            <Button Padding="0,5,0,5" Width="50" Height="30" BorderThickness="1" Click="RemoveUnderline_Click" Style="{StaticResource LightButtonStyle}" Background="White" BorderBrush="#1A000000">
                <Button.Content>
                    <Path Fill="#43474D">
                        <Path.Data>
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                        </Path.Data>
                    </Path>
                </Button.Content>
            </Button>
            <Button Padding="0,5,0,5" Width="50" Height="30" BorderThickness="1" Click="AddStrikethrough_Click" Style="{StaticResource LightButtonStyle}" Background="White" BorderBrush="#1A000000">
                <Button.Content>
                    <Path Fill="#43474D">
                        <Path.Data>
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                    </Path>
                </Button.Content>
            </Button>
            <Button Padding="0,5,0,5" Width="50" Height="30" BorderThickness="1" Click="RemoveStrikethrough_Click" Style="{StaticResource LightButtonStyle}" Background="White" BorderBrush="#1A000000">
                <Button.Content>
                    <Path Fill="#43474D">
                        <Path.Data>
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                    </Path>
                </Button.Content>
            </Button>
        </StackPanel>
    </StackPanel>
</UserControl>