MARKUS

    <Grid x:Name="grid" VerticalAlignment="Stretch">

        <!--<TextBlock Text="Sort By:"  Foreground="{DynamicResource KCOMColor_MarkerBrush}"/>-->

        <telerik:RadTabControl Margin="0,6,0,0" BorderThickness="0" telerik:StyleManager.Theme="VisualStudio2013"  HeaderBackground="#f5f5f5" FontSize="10" HorizontalAlignment="Stretch" HorizontalContentAlignment="Stretch"

            <telerik:RadTabItem Header="Thumbnail"  HeaderForeground="{DynamicResource KCOMColor_MarkerBrush}" FontSize="12">

                <Grid>

                                        ItemContainerStyle="{StaticResource ItemContainerStyle}"

                                        BorderBrush="#FFC2C2C2" BorderThickness="0"  

                                        SelectedIndex="0"

                                        ScrollViewer.HorizontalScrollBarVisibility="Disabled"

                                        ScrollViewer.VerticalScrollBarVisibility="Auto"

                                        ScrollViewer.CanContentScroll="True"