kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/Common/BarControl/ModeSelectorBarControl.xaml

<UserControl x:Class="compdfkit_tools.PDFControl.ModeSelectorBarControl"
             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:cpdftools="clr-namespace:compdfkit_tools.PDFControl"
             mc:Ignorable="d" 
             d:DesignHeight="50" d:DesignWidth="1280">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition></ColumnDefinition>
            <ColumnDefinition></ColumnDefinition>
            <ColumnDefinition></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <StackPanel Orientation="Horizontal">
            <ToggleButton x:Name="BotaToggleButton" Height="40" Width="40" Margin="5" Click="BotaToggleButton_Click" IsChecked="{Binding BOTABarIsShowing}"></ToggleButton>
            <ToggleButton Height="40" Width="40" Margin="5"></ToggleButton>
            <cpdftools:CPDFScalingControl></cpdftools:CPDFScalingControl>
        </StackPanel>
        <ComboBox x:Name="ModeComboBox" Grid.Column="1" Height="36" Width="200" SelectionChanged="ModeComboBox_SelectionChanged"></ComboBox>
        <StackPanel Grid.Column="2" Orientation="Horizontal" HorizontalAlignment="Right">
            <ToggleButton Height="40" Width="40" Margin="5"></ToggleButton>
            <ToggleButton x:Name="RightControlToggleButton" Height="40" Width="40" Margin="5" Click="RightControlToggleButton_Click"></ToggleButton>
            <ToggleButton Height="40" Width="40" Margin="5"></ToggleButton>
            <ToggleButton Height="40" Width="40" Margin="5"></ToggleButton>
        </StackPanel>
    </Grid>
</UserControl>