Check Spelling Error

<Window x:Class="WpfApplication1.MainWindow"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
Title="WpfApplication1" Height="225" Width="311" WindowStartupLocation="CenterScreen">
<StackPanel>
<TextBox SpellCheck.IsEnabled ="True" AcceptsReturn ="True"
Name ="txtData" FontSize ="14"
BorderBrush ="Blue" Height ="100">
</TextBox>
<Button Name ="btnOK" Content ="Get Selections" Width = "100" Click ="btnOK_Click"/>
</StackPanel>
</Window>
//File:Window.xaml.cs
using System;
using System.Collections.Generic;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Shapes;
namespace WpfApplication1
{
public partial class MainWindow : System.Windows.Window
{
public MainWindow()
{
InitializeComponent();
}
protected void btnOK_Click(object sender, RoutedEventArgs args)
{
string spellingHints = string.Empty;
SpellingError error = txtData.GetSpellingError(txtData.CaretIndex);
if (error != null)
{
foreach (string s in error.Suggestions)
{
spellingHints += string.Format("{0}\n", s);
}
MessageBox.Show(spellingHints, "Try these instead");
}
}
}
}
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