kmpdfkit_demo/compdfkit_demo_windows/compdfkit/compdfkit-tools/PDFView/PDFSearch/PDFSearchUI/CPDFSearchInputUI.xaml

<UserControl x:Class="compdfkit_tools.PDFControlUI.CPDFSearchInputUI"
             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"
             mc:Ignorable="d" 
             d:DesignHeight="150" d:DesignWidth="800">
    <Grid Margin="5">
        <Grid.RowDefinitions>
            <RowDefinition Height="3*"></RowDefinition>
            <RowDefinition Height="10"></RowDefinition>
            <RowDefinition Height="*"></RowDefinition>
        </Grid.RowDefinitions>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"></ColumnDefinition>
            <ColumnDefinition Width="*"></ColumnDefinition>
        </Grid.ColumnDefinitions>
        <TextBox Name="SearchTextBox" VerticalContentAlignment="Center" Grid.ColumnSpan="2" KeyDown="SearchTextBox_KeyDown"></TextBox>
        <Button Name="PrevButton" Grid.Row="2" Click="PrevButton_Click" Margin="0,0,10,0" Padding="5,2,5,2">Perv</Button>
        <Button Name="NextButton" Grid.Row="2" Grid.Column="1" Click="NextButton_Click" Padding="5,2,5,2">Next</Button>
    </Grid>
</UserControl>