kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/Common/PropertyControl/OpactiyControl.xaml

<UserControl x:Class="compdfkit_tools.Common.OpactiyControl"
             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:cpdfcommon="clr-namespace:compdfkit_tools.Common"
             mc:Ignorable="d" 
             d:DesignHeight="40" d:DesignWidth="300">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition></ColumnDefinition>
            <ColumnDefinition Width="80"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <Slider VerticalAlignment="Center"></Slider>
        <cpdfcommon:DropDownNumberBoxControl Grid.Column="1" Unit="%" Maxium="100" Minimum="0"></cpdfcommon:DropDownNumberBoxControl>
    </Grid>
</UserControl>