Spell Check a TextBox or RichTextBox Control in Real Time
<Window x:Class="WpfApplication1.Window1" xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml" Title="WPF" Height="100" Width="300"> <StackPanel> <TextBlock FontSize="14" FontWeight="Bold" Text="A spell-checking TextBox:"/> <TextBox AcceptsReturn="True" AcceptsTab="True" FontSize="14" Margin="5" SpellCheck.IsEnabled="True" TextWrapping="Wrap"> The qick red focks jumped over the lasy brown dog. </TextBox> </StackPanel> </Window>