kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/PDFView/PDFScaling/PDFScalingUI/CPDFScalingUI.xaml

<UserControl x:Class="compdfkit_tools.PDFControlUI.CPDFScalingUI"
             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.PDFControlUI"
             xmlns:cpdfcommon="clr-namespace:compdfkit_tools.Common"
             mc:Ignorable="d" 
             d:DesignHeight="30" d:DesignWidth="150">
    <Grid Height="30" Width="150" >
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="6*"></ColumnDefinition>
            <ColumnDefinition Width="4*"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <StackPanel Orientation="Horizontal" Height="30">
            <cpdfcommon:DropDownNumberBoxControl x:Name="DropDownNumberBoxControl" Height="30" Width=" 85" Unit="%" Maxium="1600" Minimum="0" Text="{Binding Scale,Mode=TwoWay}"></cpdfcommon:DropDownNumberBoxControl>
        </StackPanel>
        <StackPanel Grid.Column="1" Orientation="Horizontal">
            <Button x:Name="ScaleDecreaseButton" Height="30" Width="30" Click="ScaleDecreaseButton_Click">
                <TextBlock Text="-"></TextBlock>
            </Button>
            <Button x:Name="ScaleIncreaseButton" Height="30" Width="30" Click="ScaleIncreaseButton_Click">
                <TextBlock Text="+"></TextBlock>
            </Button>
        </StackPanel>
    </Grid>
</UserControl>