This topic has not yet been rated - Rate this topic

TouchFrameEventArgs.GetPrimaryTouchPoint Method

Silverlight

Returns the primary touch point for the reported frame as a TouchPoint value. The touch point can be evaluated against a coordinate reference point instead of the absolute Silverlight coordinates.

Namespace:  System.Windows.Input
Assembly:  System.Windows (in System.Windows.dll)
public TouchPoint GetPrimaryTouchPoint(
	UIElement relativeTo
)

Parameters

relativeTo
Type: System.Windows.UIElement
A coordinate reference point that can be used to offset the coordinates of the return value TouchPoint . If you want the reference to be based on Silverlight absolute coordinates, specify relativeTo as null.

Return Value

Type: System.Windows.Input.TouchPoint
The primary touch point for the reported frame.

This value can be null if the frame started outside the plug-in area.

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

Supported in: Windows Phone OS 7.1, Windows Phone OS 7.0

For a list of the operating systems and browsers that are supported by Silverlight, see Supported Operating Systems and Browsers.

Did you find this helpful?
(1500 characters remaining)
Community Content Add
Annotations FAQ