MARKUS

    <SolidColorBrush x:Key="VS2012WindowBorderBrushInactive" Color="#999999" />

    <SolidColorBrush x:Key="VS2012WindowStatusForeground" Color="#FFFFFF" />

    <SolidColorBrush x:Key="VS2012WindowStatusForegroundInactive" Color="#FFFFFF" />

    <Style x:Key="VS2012WindowStyleTitleBarButton" TargetType="{x:Type Button}">

        <Setter Property="Focusable" Value="false" />

        <Setter Property="Foreground" Value="White"/>

                            x:Name="lnSizeEast"

                            Stroke="Transparent"

                            HorizontalAlignment="Right" 

                            X1="{TemplateBinding ActualWidth}" X2="{TemplateBinding ActualWidth}" Y1="1" Y2="{TemplateBinding ActualHeight}"

                            StrokeThickness="3"

                            />