KeyboardEventArgs Class
Definition
Important
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Provides data for keyboard-related events.
public ref class KeyboardEventArgs : System::Windows::Input::InputEventArgspublic class KeyboardEventArgs : System.Windows.Input.InputEventArgstype KeyboardEventArgs = class
inherit InputEventArgsPublic Class KeyboardEventArgs
Inherits InputEventArgs- Inheritance
- Derived
Remarks
No existing keyboard event in WPF uses the KeyboardEventArgs. KeyboardEventArgs serves as the base class for the more specific KeyEventArgs and KeyboardFocusChangedEventArgs event data classes, which are used by existing WPF events such as UIElement.KeyDown and UIElement.LostKeyboardFocus.
Constructors
| Name | Description |
|---|---|
| KeyboardEventArgs(KeyboardDevice, Int32) |
Initializes a new instance of the KeyboardEventArgs class. |
Properties
| Name | Description |
|---|---|
| Device |
Gets the input device that initiated this event. (Inherited from InputEventArgs) |
| Handled |
Gets or sets a value that indicates the present state of the event handling for a routed event as it travels the route. (Inherited from RoutedEventArgs) |
| KeyboardDevice |
Gets the keyboard device associated with the input event. |
| OriginalSource |
Gets the original reporting source as determined by pure hit testing, before any possible Source adjustment by a parent class. (Inherited from RoutedEventArgs) |
| RoutedEvent |
Gets or sets the RoutedEvent associated with this RoutedEventArgs instance. (Inherited from RoutedEventArgs) |
| Source |
Gets or sets a reference to the object that raised the event. (Inherited from RoutedEventArgs) |
| Timestamp |
Gets the time when this event occurred. (Inherited from InputEventArgs) |
Methods
| Name | Description |
|---|---|
| InvokeEventHandler(Delegate, Object) |
Invokes event handlers in a type-specific way, which can increase event system efficiency. |
| OnSetSource(Object) |
When overridden in a derived class, provides a notification callback entry point whenever the value of the Source property of an instance changes. (Inherited from RoutedEventArgs) |
