kmpdfkit_demo/Demo/Examples/Compdfkit.Controls/PDFView/PDFScaling/PDFScalingControl/CPDFScalingControl.xaml

<UserControl x:Class="ComPDFKit.Controls.PDFControl.CPDFScalingControl"
             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.PDFControl"
             xmlns:pdftoolsui="clr-namespace:ComPDFKit.Controls.PDFControlUI"
             mc:Ignorable="d" 
             d:DesignHeight="30" d:DesignWidth="162">
    <Grid x:Name="CPDFPageScalingControl" Height="30" Width="162" LostFocus="CPDFPageScalingControl_LostFocus">
        <pdftoolsui:CPDFScalingUI x:Name="CPDFScalingUI" Loaded="PDFScalingControl_Loaded" Unloaded="CPDFScalingUI_Unloaded"></pdftoolsui:CPDFScalingUI>
    </Grid>
</UserControl>