InputAdapter Class
Watches a UIElement for various input-related events and publishes them in a platform agnostic way.
public class InputAdapter- Inheritance:
- object object
Constructors
InputAdapter(UIElement)
Initializes a new instance of the InputAdapter class.
public InputAdapter(UIElement element)| Parameter | Type | Description |
|---|---|---|
| element | UIElement | The UIElement to watch for input-related events. |
Properties
AttachedEventKinds
Gets or sets the kinds of events that should be attached to and notified by this class.
public InputAdapterEventKinds AttachedEventKinds { get; set; }Property Value
- InputAdapterEventKinds:
A flags-based InputAdapterEventKinds that indicates the events to attach.
IsAttached
Gets whether the adapter is currently attached to any events.
public bool IsAttached { get; }Property Value
- bool:
trueif the adapter is currently attached to any events; otherwise,false.
See Also
TargetElement
Gets the target UIElement that is being watched.
public UIElement TargetElement { get; }Property Value
Methods
CapturePointer(InputPointerEventArgs)
Captures the pointer that sourced the specified event arguments.
public bool CapturePointer(InputPointerEventArgs e)| Parameter | Type | Description |
|---|---|---|
| e | InputPointerEventArgs | The event arguments to examine. |
Returns
- bool:
trueif the pointer was captured; otherwise,false.
Remarks
This method should only be called in a PointerPressed event handlers.
CapturePointer(InputPointerEventArgs, UIElement)
Captures the pointer that sourced the specified event arguments on a designated target element.
public bool CapturePointer(InputPointerEventArgs e, UIElement targetElement)| Parameter | Type | Description |
|---|---|---|
| e | InputPointerEventArgs | The event arguments to examine. |
| targetElement | UIElement | The target element. |
Returns
- bool:
trueif the pointer was captured; otherwise,false.
Remarks
This method should only be called in a PointerPressed event handlers.
IsAttachedTo(InputAdapterEventKinds)
Returns whether the specified event kind is currently attached.
public bool IsAttachedTo(InputAdapterEventKinds kind)| Parameter | Type | Description |
|---|---|---|
| kind | InputAdapterEventKinds | The kind of event. |
Returns
- bool:
trueif the specified event kind is currently attached; otherwise,false.
See Also
ReleasePointerCaptures()
Releases all pointer captures.
public void ReleasePointerCaptures()Events
DoubleTapped
Occurs when the element is double-tapped.
public event EventHandler<InputDoubleTappedEventArgs> DoubleTappedEvent Type
KeyDown
Occurs when a keyboard key is pressed.
KeyUp
Occurs when a keyboard key is released.
PointerCaptureLost
Occurs when the pointer capture is lost.
public event EventHandler<InputPointerEventArgs> PointerCaptureLostEvent Type
PointerEntered
Occurs when the pointer enters the element.
public event EventHandler<InputPointerEventArgs> PointerEnteredEvent Type
PointerExited
Occurs when the pointer exits the element.
public event EventHandler<InputPointerEventArgs> PointerExitedEvent Type
PointerMoved
Occurs when the pointer moves over the element.
public event EventHandler<InputPointerEventArgs> PointerMovedEvent Type
PointerPressed
Occurs when a pointer button is pressed over the element.
public event EventHandler<InputPointerButtonEventArgs> PointerPressedEvent Type
PointerReleased
Occurs when a pointer button is released over the element.
public event EventHandler<InputPointerButtonEventArgs> PointerReleasedEvent Type
PointerWheelChanged
Occurs when a pointer wheel is changed over the element.
public event EventHandler<InputPointerWheelEventArgs> PointerWheelChangedEvent Type
Tapped
Occurs when the element is tapped.
public event EventHandler<InputTappedEventArgs> Tapped