group

In the object model this is RibbonGroup
represents a group of controls on a tab.
You can have multiple groups on a tab.
Each group should have an icon for when the width of the group gets reduced
Displaying an ampersand
label = "Copy && Paste"
In addition to specifying a label you can display an icon in the bottom-right corner called a DialogLauncher
This icon raises an event that you can handle
There is a DialogLauncherClick event that is raised when the user clicks the icon.
You cannot add controls directly to a tab they must be added to a group.
You can also specify an image and label but these elements are only displayed if the user adds the dialog launcher to the Quick Access Toolbar.

<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui"> 
  <ribbon startFromScratch="true">  
    <tabs> 
      <tab id="CustomTab" label="My Tab"> 
        <group id="Group1" label="Group 1" visible="true"> 
            <button id="button1" 
                    label="Button..." 
                    size="large" 
                    imageMso="ErrorChecking"/> 
        </group> 
        <group id="Group2" label="Group 2"> 
            <button id="button2" 
                    label="Button..." 
                    size="large" 
                    visible="false" 
                    imageMso="LeaveReader"/> 
        </group> 
        <group id="Group3" label="Group 3"> 
            <button id="button3" 
                    label="Button..." 
                    size="large" 
                    imageMso="OutlookTaskCreate"/> 
        </group> 
      </tab> 
    </tabs> 
  </ribbon> 
</customUI> 

Attributes (properties)

Children

Callbacks (run-time)

' VBA
Public Sub Group_OnGetLabel( _ 
   ByRef control As Office.IRibbonControl, _ 
   ByRef Label As Variant) 

   Label = "my dynamic label" 
End Sub 

' VBA
Public Sub Group_OnGetVisible( _ 
   ByRef control As Office.IRibbonControl, _ 
   ByRef Visible As Boolean) 

End Sub