OCCT

<Menu>
  <MenuItem name="OCAF">
    <MenuItem name="1 Create">
      <Sample name="Create Box" function="CreateBoxOcafSample"/>
      <Sample name="Create Cylinder" function="CreateCylinderOcafSample"/>
    </MenuItem>
    <MenuItem name="2 Modify">
      <Sample name="Modify Box" function="ModifyBoxOcafSample"/>
      <Sample name="Modify Cylinder" function="ModifyCylinderOcafSample"/>
    </MenuItem>
    <MenuItem name="3 Action">
      <Sample name="Undo" function="UndoOcafSample"/>
      <Sample name="Redo" function="RedoOcafSample"/>
    </MenuItem>
    <MenuItem name="4 Data storage">
      <Sample name="Open OCAF" function="DialogOpenOcafSample"/>
      <Sample name="Save binary OCAF" function="DialogSaveBinOcafSample"/>
      <Sample name="Save XML OCAF" function="DialogSaveXmlOcafSample"/>
    </MenuItem>
  </MenuItem>
</Menu>