Microsoft Ribbon for WPF: ribbon:RibbonApplicationMenu issue
===

Using the excellent [Microsoft Ribbon for WPF][1] for .NET 4 (not the .NET 4.5 build in class) I'm trying to achieve a ribbon like in Office 2010:

![Office 2010 Ribbon][2]

However I cannot get the **File** text to be shown on the *ribbon:RibbonApplicationMenu*.

If I change the project Wizard generated code from

    <ribbon:RibbonApplicationMenu SmallImageSource="Resources\SmallIcon.png">

to

    <ribbon:RibbonApplicationMenu KeyTipService.KeyTip="F" Label="File">

I get this:

![My Ribbon][3]

The text **File** is now shown. What am I missing?

  [1]: http://10rem.net/blog/2010/08/02/announcing-microsoft-ribbon-for-wpf-rtw
  [2]: http://i.stack.imgur.com/ca1nI.png
  [3]: http://i.stack.imgur.com/mrFQ8.png