IsFullScreen | isFullScreen property
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ApplicationView.IsFullScreen | isFullScreen property

[IsFullScreen may be altered or unavailable for releases after Windows 10. Instead, use IsFullScreenMode.]

Gets a value that indicates whether the window touches both the left and right sides of the display.


var isFullScreen = applicationView.isFullScreen;

Property value

Type: Boolean [JavaScript] | System.Boolean [.NET] | Platform::Boolean [C++]

true if the window touches both the left and right sides of the display; otherwise, false.


The system raises the CoreWindow.SizeChanged event when the value of this property changes. This is exposed to XAML apps as the Window.SizeChanged event and to HTML apps as the window.resize event.

The property is a nonstatic member of the window object. For JavaScript, this means that it is a property of the window object that getForCurrentView creates, not of the ApplicationView class.

Windows 10:  

In Windows 10, apps run in resizable windows and this property is deprecated. To check if the app is full screen, use the IsFullScreenMode property. To check if the app is close to the edges of the display, use the AdjacentToLeftDisplayEdge and AdjacentToRightDisplayEdge properties.

Windows 8:  

In Windows 8, apps always use the full height of the screen, so this property returns true if the app touches both sides of the display.

Requirements (Windows 10 device family)

Device family

Universal, introduced version 10.0.10240.0

API contract

Windows.Foundation.UniversalApiContract, introduced version 1.0


Windows::UI::ViewManagement [C++]



Requirements (Windows 8.x and Windows Phone 8.x)

Minimum supported client

Windows 8.1

Minimum supported server

Windows Server 2012 R2

Minimum supported phone

Windows Phone 8.1 [Windows Runtime apps only]

End of client support

Windows 10

End of phone support

Windows 10 Mobile

End of server support

Windows Server 2016


Windows::UI::ViewManagement [C++]



See also




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