Is there a way to get the RadSplitContainter to fill the available space? I have several split containters and the the last one, I want the RadPane's to fill what space is left. Thanks.
<telerik:RadDocking BorderThickness="0" Padding="0" Grid.Row="1" >
<telerik:RadSplitContainer Orientation="Horizontal" InitialPosition="DockedBottom">
<telerik:RadPaneGroup >
<telerik:RadPane Header="Development Log" Content="" />
</telerik:RadPaneGroup>
</telerik:RadSplitContainer>
<telerik:RadSplitContainer Orientation="Horizontal" InitialPosition="DockedLeft" >
<telerik:RadPaneGroup telerik:ProportionalStackPanel.RelativeSize="200, 300">
<telerik:RadPane Header="Administration" Content="" IsPinned="True" />
</telerik:RadPaneGroup>
</telerik:RadSplitContainer>
<telerik:RadSplitContainer Orientation="Horizontal" InitialPosition="DockedRight" MinWidth="300">
<telerik:RadPaneGroup >
<telerik:RadPane Header="Maintenance Plans" />
</telerik:RadPaneGroup>
</telerik:RadSplitContainer>
<!--<telerik:RadDocking.DocumentHost >-->
<telerik:RadSplitContainer Orientation="Vertical" InitialPosition="DockedLeft" MinWidth="200" HorizontalContentAlignment="Stretch" HorizontalAlignment="Stretch">
<telerik:RadPaneGroup >
<telerik:RadPane Header="Reference Materials" Content="" />
</telerik:RadPaneGroup>
<telerik:RadPaneGroup >
<telerik:RadPane Header="Maintenance Items" Content="" />
</telerik:RadPaneGroup>
</telerik:RadSplitContainer>
<!--</telerik:RadDocking.DocumentHost>-->
</telerik:RadDocking>