Class PlatformKeyboardHandler<T>

Namespace: Alternet.UI

Assembly: Alternet.UI.Common.dll

Abstract implementation of the IKeyboardHandler interface with mappings registration between platfrom keys and Key.

public abstract class PlatformKeyboardHandler<T> : PlatformKeyMapping<T>, IBaseObjectWithAttr, IBaseObjectWithId, INotifyPropertyChanged, IDisposableObject, IBaseObject, IKeyboardHandler, IDisposable where T : struct, Enum

Type Parameters

T: Type of the platform key.

Inheritance: object

BaseObject

BaseObjectWithId

BaseObjectWithAttr

BaseObjectWithNotify

DisposableObject

AbstractTwoWayEnumMapping<T, Key>

TwoWayEnumMapping<T, Key>

PlatformKeyMapping<T>

PlatformKeyboardHandler<T>

Implements: IBaseObjectWithAttr

IBaseObjectWithId

INotifyPropertyChanged

IDisposableObject

IBaseObject

IKeyboardHandler

IDisposable

Derived: MauiKeyboardHandler

Constructors

PlatformKeyboardHandler(T, Key, bool): Initializes a new instance of the PlatformKeyboardHandler<T> class.

Properties

KeyboardPresent: Gets whether hardware keyboard is present.

Methods

GetKeyStatesFromSystem(Key): Gets the current state of the specified key from the device from the underlying system

HideKeyboard(AbstractControl?): Hides on-screen keyboard for the specified control.

IsSoftKeyboardShowing(AbstractControl?): Gets whether on-screen keyboard is shown for the specified control.

IsValidKey(Key): Checks whether key is valid for the current platform.

RegisterKeyMappings(): Registers default key mappings between platform keys and Key.

ShowKeyboard(AbstractControl?): Shows on-screen keyboard for the specified control.