CustomUI : Dialog Box Launcher

Membuat dialog box launcher

<customUI xmlns="http://schemas.microsoft.com/office/2009/07/customui">
 <ribbon startFromScratch="true">
     <tabs>
         <tab id="customTab" label="Dialog Box">
            <group id="customGroup" label="Custom Group">
               <dialogBoxLauncher>
                   <button idMso="FormatCellsFontDialog" />
               </dialogBoxLauncher>
            </group>
        </tab>
    </tabs>
</ribbon>
</customUI>