ProgressIndicator Class
[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]
Provides methods and properties for interacting with the progress indicator on the system tray on an application page.
Assembly: Microsoft.Phone (in Microsoft.Phone.dll)
XMLNS for XAML: Not mapped to an xmlns.
The ProgressIndicator type exposes the following members.
| Name | Description | |
|---|---|---|
 | Dispatcher | Gets the Dispatcher this object is associated with. (Inherited from DependencyObject.) |
| IsIndeterminate | Gets or sets a value that indicates whether the progress indicator on the system tray on the current application page is determinate or indeterminate. |
| IsVisible | Gets or sets the visibility of the progress indicator on the system tray on the current application page. |
| Text | Gets or sets the text of the progress indicator on the system tray on the current application page. |
| Value | Gets or sets the value of the progress indicator on the system tray on the current application page. |
| Name | Description | |
|---|---|---|
 | CheckAccess | Determines whether the calling thread has access to this object. (Inherited from DependencyObject.) |
| ClearValue | Clears the local value of a dependency property. (Inherited from DependencyObject.) |
| Equals(Object) | Determines whether the specified Object is equal to the current Object. (Inherited from Object.) |
 | Finalize | Allows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.) |
| GetAnimationBaseValue | Returns any base value established for a Windows Phone dependency property, which would apply in cases where an animation is not active. (Inherited from DependencyObject.) |
| GetHashCode | Serves as a hash function for a particular type. (Inherited from Object.) |
| GetType | Gets the Type of the current instance. (Inherited from Object.) |
| GetValue | Returns the current effective value of a dependency property from a DependencyObject. (Inherited from DependencyObject.) |
| MemberwiseClone | Creates a shallow copy of the current Object. (Inherited from Object.) |
| ReadLocalValue | Returns the local value of a dependency property, if a local value is set. (Inherited from DependencyObject.) |
| SetValue | Sets the local value of a dependency property on a DependencyObject. (Inherited from DependencyObject.) |
| ToString | Returns a string that represents the current object. (Inherited from Object.) |
| Name | Description | |
|---|---|---|
  | IsIndeterminateProperty | The dependency property for IsIndeterminate. |
| IsVisibleProperty | The dependency property for IsVisible. |
| TextProperty | The dependency property for Text. |
| ValueProperty | The dependency property for Value. |
To use the ProgressIndicator without affecting the layout of the page, set the value of the Opacity property of the SystemTray to 0 (zero).
The following screenshot shows an indeterminate progress indicator scrolling across the top of the screen in the system tray.
The system tray is also referred to as the status bar.
The following code example shows how to use the ProgressIndicator class.
The following code example shows how to use the ProgressIndicator on the SystemTray from XAML. This code goes inside the PHONE:PHONEAPPLICATIONPAGE element. Note that the IsIndeterminate, IsVisible, Text, and Value attributes can all be data-bound.
<shell:SystemTray.ProgressIndicator> <shell:ProgressIndicator IsIndeterminate="True" IsVisible="True" /> </shell:SystemTray.ProgressIndicator>