<xal xmlns="http://openxal.org/ui/java">
  <borderPane width="500px" height="500px" horizontalGap="12px" verticalGap="11px" padding="20px">
    <verticalFlowPane caption="verticalFlowPane: Alignment = start" height="500px" width="100px" borderPosition="center" padding="20px" alignment="start"> 
      <button height="25px" text="Button 1" width="100px"/>
      <button height="25px" text="Button 2" width="100px"/>
      <button height="25px" text="Button 3" width="100px"/>
      <button height="25px" text="Button 4" width="100px"/>
      <button height="25px" text=" Button 5" width="100px"/>
      <button height="25px" text="Button 6" width="100px"/>
      <button height="25px" text="Button 7" width="100px"/>
      <button height="25px" text="Button 8" width="100px"/>
      <button height="25px" text="Button 9" width="100px"/>
      <button height="25px" text="Button 10" width="100px"/>
      <button height="25px" text="Button 11" width="100px"/>
      <button height="25px" text="Button 12" width="100px"/>
      <button height="25px" text="Button 13" width="100px"/>
      <button height="25px" text="Button 14" width="100px"/>
    </verticalFlowPane>
  </borderPane>
</xal>