Gets or sets a value that indicates whether the user sees the (optional) menu items when they click the ellipsis to expand the Application Bar.
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
XMLNS for XAML: Not mapped to an xmlns.
In addition to the icon buttons, you can add one or more text-based menu items. These items are displayed in a list that slides up from underneath the icon buttons when the user clicks the ellipsis. The menu items are used for application actions that are less frequently used, or for actions that are difficult to convey with only an icon. For more information, see App bar for Windows Phone.