kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/Edit/PDFTextEdit/PDFTextEditUI/CPDFTextAlignUI.xaml

<UserControl x:Class="compdfkit_tools.Edit.CPDFTextAlignUI"
             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.Edit"
             mc:Ignorable="d" 
             d:DesignHeight="450" d:DesignWidth="800">
    <StackPanel Name="TextAlignUI">

        <Grid>
            <TextBlock VerticalAlignment="Center"  Margin="0,10,10,0">对齐方式:</TextBlock>
        </Grid>
        
        <StackPanel Name="AlignPanel" Orientation="Horizontal">

            <Button Width="30" BorderThickness="0" Padding="0,5,0,5" Tag="AlignLeft" Click="TextAlignBtn_Click">
                <Button.Content>
                    <Path Name="AlignLeftPath" Fill="Gray">
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                    </Path>
                </Button.Content>
            </Button>

            <Button Width="30" Margin="10,0,0,0" BorderThickness="0" Padding="0,5,0,5" Tag="AlignCenter" Click="TextAlignBtn_Click">
                <Button.Content>
                    <Path Name="AlignCenterPath" Fill="Gray">
                        <Path.Data>
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                    </Path>
                </Button.Content>
            </Button>

            <Button Width="30" Margin="10,0,0,0" BorderThickness="0" Padding="0,5,0,5" Tag="AlignRight" Click="TextAlignBtn_Click">
                <Button.Content>
                    <Path Name="AlignRightPath" Fill="Gray">
                        <Path.Data>
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                    </Path>
                </Button.Content>
            </Button>
            
        </StackPanel>
        
    </StackPanel>
</UserControl>