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TouchDevice.Id Property

Microsoft Silverlight will reach end of support after October 2021. Learn more.

Gets a unique ID as provided by the operating system for a particular touch device.

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

Syntax

public int Id { get; }

Property Value

Type: System.Int32
A unique ID for a particular touch device.

Remarks

This is not a literal device, instead it is an object with an ID value that tracks touch points through a down/move/up sequence

Version Information

Silverlight

Supported in: 5, 4, 3

Silverlight for Windows Phone

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

Platforms

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