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TouchDevice Class

July 28, 2014

Identifies a "device" that produced the touch point. This is not a literal device, instead it distinguishes touch points through a down/move/up sequence.

System.Object
  System.Windows.DependencyObject
    System.Windows.Input.TouchDevice

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

[ContentPropertyAttribute("DirectlyOver", true)]
public sealed class TouchDevice : DependencyObject

The TouchDevice type exposes the following members.

  NameDescription
Public methodTouchDeviceInitializes a new instance of the TouchDevice class.
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  NameDescription
Public propertyDirectlyOverGets the topmost UIElement object that the mouse is over at the time that this touch point was produced.
Public propertyDispatcherGets the Dispatcher this object is associated with. (Inherited from DependencyObject.)
Public propertyIdGets a unique ID as provided by the operating system for a particular touch device.
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  NameDescription
Public methodCheckAccessDetermines whether the calling thread has access to this object. (Inherited from DependencyObject.)
Public methodClearValueClears the local value of a dependency property. (Inherited from DependencyObject.)
Public methodEquals(Object)Determines whether the specified Object is equal to the current Object. (Inherited from Object.)
Protected methodFinalizeAllows an object to try to free resources and perform other cleanup operations before the Object is reclaimed by garbage collection. (Inherited from Object.)
Public methodGetAnimationBaseValueReturns any base value established for a Windows Phone dependency property, which would apply in cases where an animation is not active. (Inherited from DependencyObject.)
Public methodGetHashCodeServes as a hash function for a particular type. (Inherited from Object.)
Public methodGetTypeGets the Type of the current instance. (Inherited from Object.)
Public methodGetValueReturns the current effective value of a dependency property from a DependencyObject. (Inherited from DependencyObject.)
Protected methodMemberwiseCloneCreates a shallow copy of the current Object. (Inherited from Object.)
Public methodReadLocalValueReturns the local value of a dependency property, if a local value is set. (Inherited from DependencyObject.)
Public methodSetValueSets the local value of a dependency property on a DependencyObject. (Inherited from DependencyObject.)
Public methodToStringReturns a string that represents the current object. (Inherited from Object.)
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  NameDescription
Public fieldStatic memberDirectlyOverPropertyIdentifies the DirectlyOver dependency property.
Public fieldStatic memberIdPropertyIdentifies the Id dependency property.
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The Id of the TouchDevice is based on the underlying dwID value of the touch message at operating system level.

Windows Phone OS

Supported in: 8.1, 8.0, 7.1, 7.0

Windows Phone

Any public static (Shared in Visual Basic) members of this type are thread safe. Any instance members are not guaranteed to be thread safe.

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