ErrorView.xaml

<Window x:Class="ChatDemoGUI.ErrorView"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Error - Chat Demo" Height="200" Width="430"
    Icon="Images/error.ico"
    Style="{StaticResource PageBackground}">
    <StackPanel VerticalAlignment="Center" Orientation="Vertical" Margin="7,7,7,7">
        <!-- Define a text box to show error messages. -->
        <TextBox Grid.Row="0" Grid.Column="2" x:Name="txtErrorMessage"
                 FontSize="12" Text="" TextWrapping="Wrap" IsEnabled="True"    
                 ScrollViewer.CanContentScroll="True" ScrollViewer.HorizontalScrollBarVisibility="Auto" 
                 ScrollViewer.VerticalScrollBarVisibility="Auto" IsReadOnly="True"
                 MinLines="4" MaxLines="4" Style="{StaticResource PageBackground}"/>

        <!-- The close button -->
        <Button MaxWidth="60" Click="close" IsDefault="True" 
                Style="{StaticResource ToolBarButton}">Close</Button>
    </StackPanel>
</Window>