MainWindow.xaml

<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
    xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
    xmlns:local="clr-namespace:FindText.Wpf"
    xmlns:wpf="clr-namespace:DotNetBrowser.Wpf;assembly=DotNetBrowser.Wpf"
    x:Class="FindText.Wpf.MainWindow"
    mc:Ignorable="d"
    Title="MainWindow" Height="677" Width="1269" Closing="Window_Closing">
    <Grid>
        <Grid.RowDefinitions>
            <RowDefinition Height="25*" />
            <RowDefinition Height="30
                           " />
        </Grid.RowDefinitions>

        <wpf:BrowserView Name="browserView" Grid.Row="0" />

        <Grid Name="gridPanel" Grid.Row="1" Height="30">
            <Grid.ColumnDefinitions>
                <ColumnDefinition Width="150*" />
                <ColumnDefinition Width="76" />
                <ColumnDefinition Width="76" />
                <ColumnDefinition Width="400*" />

            </Grid.ColumnDefinitions>
            <TextBox x:Name="textBox" Grid.Column="0" Height="22" TextWrapping="Wrap" Margin="20, 4, 15, 4"
                     Text="DotNetBrowser" />
            <Button x:Name="findButton" Grid.Column="1" Content="Find/Next" HorizontalAlignment="Center"
                    VerticalAlignment="Center" Width="75" Height="22" Click="findButton_Click" Margin="0,0,1,0" />
            <Button x:Name="clearButton" Grid.Column="2" Content="Clear" HorizontalAlignment="Center"
                    VerticalAlignment="Center" Width="75" Height="22" Click="clearButton_Click" Margin="1,0,0,0" />

        </Grid>
    </Grid>
</Window>