For the life of me I cannot get a restyled PaneSplitter to display in a XamDockManager.  I am using IG 2010.2.  I've created this simple lovely window to demonstrate.  It just begs for Green splitters, but they are transparent.  Am I missing something?

Note the ContentPane style works, but the PaneSplitter style does not.

<Window
 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
 xmlns:igDock="http://infragistics.com/DockManager"
 x:Class="WpfApplication2.MainWindow"
 x:Name="Window"
 Title="MainWindow"
 UseLayoutRounding="True"
 Width="640" Height="480">

 <Grid x:Name="LayoutRoot">
  <igDock:XamDockManager Padding="10" Margin="10" Background="#FF0060FF">
   <igDock:XamDockManager.Resources>
    <Style TargetType="{x:Type igDock:PaneSplitter}">
     <Setter Property="Background" Value="Green"/>
    </Style>
    <Style TargetType="{x:Type igDock:ContentPane}">
     <Setter Property="Background" Value="Pink"/>
    </Style>
   </igDock:XamDockManager.Resources>
   <igDock:XamDockManager.Panes>
    <igDock:SplitPane>
     <igDock:ContentPane Header="This is Pane 1"/>
     <igDock:ContentPane Background="Orange" Header="This is Pane 2"/>
    </igDock:SplitPane>
   </igDock:XamDockManager.Panes>
   <igDock:SplitPane SplitterOrientation="Horizontal">
    <igDock:ContentPane Background="Purple" Header="This is Pane 3"/>
    <igDock:ContentPane Background="Teal" Header="This is Pane 4"/>
   </igDock:SplitPane>
  </igDock:XamDockManager>
 </Grid>
</Window>