Group

Sample Ribbon XML file:

<customUI xmlns="http://schemas.microsoft.com/office/2006/01/customui">
    <ribbon startFromScratch="false">
       <tabs>
         <tab id="MyTab1" label="My Tab 1">
            <group id="MyGroup1" 
                   label="My Group">
               <labelControl id="myLabel1" label="Sample:" />
               <labelControl id="myLabel2" label="Groups" />
            </group>
            <group id="MyGroup2" 
                   label="My group 2" />
            <group id="MyGroup3" 
                   label="My group 3" />
         </tab>
      </tabs>
   </ribbon>
</customUI>

Attributes: id, idMso, idQ, insertAfterMso, insertAfterQ,
                insertBeforeMso, insertBeforeQ, keytip, label, visible

                added in O2010: autoScale, centerVertically, image, imageMso

 Callbacks: getLabel,  getVisible

added in O2010: getImage

You can find this sample in Sample DB 1