[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Gets or sets the value of the progress indicator on the system tray on the current application page.
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
XMLNS for XAML: Not mapped to an xmlns.
Use the property only if the IsIndeterminate property is set to false.
The system tray is also referred to as the status bar.