I wrote an application that uses one XamDockManager with a bunch of panes.  I also used the great LoadLayout(() and SaveLayout() methods.

Everything works, except this scenario:

1) A user floats one of the ContentPanes and ends the application.  I call SaveLayout() before ending the application.

2) When the user starts the application again, I call LoadLayout(), but the ContentPane that was floated on the previous run only appears for a couple of seconds and then disappears (while it's visible, it's at the correct position)

Is this a bug?  If it's not, what am I doing wrong?

I copy below the original XAML, the saved XML and the relevant code-behind - in my example below, the "Action Items" ContentPane ("dcpActionItems") is the one that floats and becomes invisible after I call SaveLayout()  and then LoadLayout(().

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Original window.xaml (before layout changes)
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 <igDock:XamDockManager HorizontalAlignment="Stretch" Margin="0,0,0,0"
                        VerticalAlignment="Stretch" x:Name="xdmDockManager" Theme="Generic">
    <igDock:XamDockManager.Resources>
      <ResourceDictionary>
        [... XAML deleted for simplicity ...]
      </ResourceDictionary>
    </igDock:XamDockManager.Resources>

    <igDock:XamDockManager.Panes>
        <igDock:SplitPane x:Name="dspNOTRELEVANT1"  igDock:XamDockManager.InitialLocation="DockedRight">
            <igDock:ContentPane x:Name="dcpNOTRELEVANT1"
                Header="NOTRELEVANT1"
                AllowClose="False"
                AllowFloatingOnly="True"
                AllowDocking="True"
                AllowDrop="False"
                AllowPinning="True" >
                <Grid>
                  [... XAML deleted for simplicity ...]
                </Grid>
            </igDock:ContentPane>
        </igDock:SplitPane>
    </igDock:XamDockManager.Panes>
             
    <igDock:DocumentContentHost>
        <igDock:SplitPane x:Name="dspNOTRELEVANT3" SplitterOrientation="Horizontal">
            <igDock:TabGroupPane x:Name="dtgpActionItems">
                <igDock:ContentPane x:Name="dcpActionItems"
                    Header="Action Items"
                    AllowClose="False"
                    AllowFloatingOnly="True"
                    AllowDocking="True"
                    AllowDrop="False"
                    AllowPinning="True" >

                    <Grid>
                      [... XAML deleted for simplicity ...]
                    </Grid>
                </igDock:ContentPane>
            </igDock:TabGroupPane>
            <igDock:TabGroupPane x:Name="dtgpNOTRELEVANT2">
              <igDock:ContentPane x:Name="dcpNOTRELEVANT2"
                Header="NOTRELEVANT2"
                          AllowClose="False"
                          AllowFloatingOnly="True"
                          AllowDocking="True"
                          AllowDrop="False"
                          AllowPinning="True">

                <Grid>
                  [... XAML deleted for simplicity ...]
                </Grid>
              </igDock:ContentPane>
            </igDock:TabGroupPane>
        </igDock:SplitPane>
    </igDock:DocumentContentHost>
 </igDock:XamDockManager>

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Code behind
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  Sub LoadLayout()
    Dim fs As New FileStream(cLAYOUTSETTINGSFILENAME, FileMode.Open, FileAccess.Read)
    Me.xdmDockManager.LoadLayout(fs)
  End Sub
  Sub SaveLayout()
    Dim fs As New FileStream(cLAYOUTSETTINGSFILENAME, FileMode.Create, FileAccess.Write)
    Me.xdmDockManager.SaveLayout(fs)
  End Sub

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Layout Settings XML ("Action Items" not floating - same as original XAML above)
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<?xml version="1.0" encoding="utf-8"?>
<xamDockManager version="9.1.20091.1006">
  <contentPanes>
    <contentPane name="dcpNOTRELEVANT1" location="Document" />
    <contentPane name="dcpActionItems" location="Document" />
    <contentPane name="dcpNOTRELEVANT2" location="DockedRight" />
  </contentPanes>
  <panes>
    <splitPane name="dspNOTRELEVANT2" splitterOrientation="Vertical" location="DockedRight" extent="367.76">
      <contentPane name="dcpNOTRELEVANT2" />
    </splitPane>
  </panes>
  <documents splitterOrientation="Vertical">
    <splitPane name="dspNOTRELEVANT3" splitterOrientation="Horizontal">
      <tabGroup name="dtgpActionItems" selectedIndex="0" relativeSize="100,108.247022902351">
        <contentPane name="dcpActionItems" />
      </tabGroup>
      <tabGroup name="dtgpNOTRELEVANT1" selectedIndex="0" relativeSize="100,91.7529770976487">
        <contentPane name="dcpNOTRELEVANT1" />
      </tabGroup>
    </splitPane>
  </documents>
</xamDockManager>

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-----------------------------------------------------------------------------------------------------------
Layout Settings XML ("Action Items" floating - LoadLayout(() does not work)
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<?xml version="1.0" encoding="utf-8"?>
<xamDockManager version="9.1.20091.1006">
  <contentPanes>
    <contentPane name="dcpNOTRELEVANT1" location="Document" lastActivatedTime="2009-04-22T00:47:16.8288078Z" />
    <contentPane name="dcpActionItems" location="Floating" lastFloatingSize="622,189" lastFloatingWindowRect="72,265,638,223" lastFloatingLocation="72,265" lastActivatedTime="2009-04-22T00:47:08.419967Z" />
    <contentPane name="dcpNOTRELEVANT2" location="DockedRight" lastActivatedTime="2009-04-22T00:41:43.0194302Z" />
  </contentPanes>
  <panes>
    <splitPane name="dspNOTRELEVANT2" splitterOrientation="Vertical" location="DockedRight" extent="367.76">
      <contentPane name="dcpNOTRELEVANT2" />
    </splitPane>
    <splitPane name="Z92282895671f4e8a934a31cfb2439509" splitterOrientation="Vertical" location="Floating" floatingLocation="72,265" floatingSize="622,189">
      <contentPane name="dcpActionItems" />
    </splitPane>
  </panes>
  <documents splitterOrientation="Vertical">
    <splitPane name="dspNOTRELEVANT3" splitterOrientation="Horizontal">
      <tabGroup name="dtgpActionItems" selectedIndex="-1" relativeSize="100,108.247022902351" />
      <tabGroup name="dtgpNOTRELEVANT1" selectedIndex="0" relativeSize="100,91.7529770976487">
        <contentPane name="dcpNOTRELEVANT1" />
      </tabGroup>
    </splitPane>
  </documents>
</xamDockManager>

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