lazarus/components/anchordocking/design/ADLayoutDefault.xml

<?xml version="1.0"?>
<CONFIG>
  <MainConfig>
    <Nodes ChildCount="1">
      <Item1 Name="MainIDE" Type="CustomSite" ChildCount="1">
        <Bounds Top="28" Left="15" Width="614" Height="429">
          <WorkArea>
            <Rect Top="25" Right="800" Bottom="600"/>
          </WorkArea>
        </Bounds>
        <Item1 Name="AnchorDockSite5" Type="Layout" ChildCount="5">
          <Bounds Top="65" Width="614" Height="339" SplitterPos="61"/>
          <Anchors Align="Bottom"/>
          <Item1 Name="SourceNotebook" Type="Control">
            <Bounds Width="468" Height="264"/>
            <Anchors Right="AnchorDockSplitter3" Bottom="AnchorDockSplitter2"/>
            <Header Position="left"/>
          </Item1>
          <Item2 Name="AnchorDockSplitter2" Type="SplitterHorizontal">
            <Bounds Top="264" Width="468" Height="4"/>
            <Anchors Right="AnchorDockSplitter3"/>
          </Item2>
          <Item3 Name="MessagesView" Type="Control">
            <Bounds Top="268" Width="468" Height="71"/>
            <Anchors Top="AnchorDockSplitter2" Right="AnchorDockSplitter3"/>
          </Item3>
          <Item4 Name="AnchorDockSplitter3" Type="SplitterVertical">
            <Bounds Left="468" Width="4" Height="339"/>
          </Item4>
          <Item5 Name="CodeExplorerView" Type="Control">
            <Bounds Left="472" Width="142" Height="339"/>
            <Anchors Left="AnchorDockSplitter3"/>
          </Item5>
        </Item1>
      </Item1>
    </Nodes>
  </MainConfig>
</CONFIG>