Size Property
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TouchPoint.Size Property

[ This article is for Windows Phone 8 developers. If you’re developing for Windows 10, see the latest documentation. ]

Gets the rectangular area that is reported as the touch-point contact area.

Namespace:  System.Windows.Input
Assembly:  System.Windows (in System.Windows.dll)

public Size Size { get; }

Property Value

Type: System.Windows.Size
A Size value. If the device that is used for touch input does not support reporting a touch size area, this property reports a Size with values of -1, instead of null.

Some devices do not support reporting a contact area size and will not set the TOUCHEVENTMASKF_CONTACTAREA flag in the WM_TOUCH message that is used in the platform code. In that case, this property returns a Size value that shows a Height and Width both equal to -1.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

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