TextInputDialog.xaml

<Window x:Class="WebView2WpfBrowser.TextInputDialog"
        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:WebView2WpfBrowser"
        mc:Ignorable="d"
        Title="TextInputDialog"
        Height="200"
        Width="400">
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="*"/>
            <ColumnDefinition Width="Auto"/>
            <ColumnDefinition Width="Auto"/>
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto"/>
            <RowDefinition Height="*"/>
            <RowDefinition Height="Auto"/>
        </Grid.RowDefinitions>
        <TextBlock x:Name="Description" Grid.Column="0" Grid.ColumnSpan="3" Grid.Row="0"/>
        <TextBox x:Name="Input" Grid.Column="0" Grid.ColumnSpan="3" Grid.Row="1"/>
        <Button Click="ok_Clicked" IsDefault="True" Grid.Column="1" Grid.Row="2" Width="60">OK</Button>
        <Button IsCancel="True" Grid.Column="2" Grid.Row="2" Width="60">Cancel</Button>
    </Grid>
</Window>