A lora lora bugs gotten!

Code:
<Window x:Class="Window1"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="Window1" Height="300" Width="300">
    <Grid>
        <RichTextBox Height="79" Name="RichTextBox1" Width="278" IsDocumentEnabled="False" VerticalAlignment="Top" />
        <Button HorizontalAlignment="Right" Margin="0,85,0,0" Name="Button1" Width="75" Height="23" VerticalAlignment="Top">Button</Button>
        <TextBox Margin="0,126,0,61" Name="TextBox1" />
        <Button Height="23" HorizontalAlignment="Right" Margin="0,0,0,12" Name="Button2" VerticalAlignment="Bottom" Width="75">Button</Button>
    </Grid>
</Window>
<LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0"> Key="{xtatic SystemColors.HighlightBrushKey}"
x:Key="{xstatic SystemColors.HighlightBrushKey}"
<VisualBrush Visual="{Binding ElementName=ImageContainer}" />