DevExtreme Angular - Keyboard Support
An end user can use the following keys to interact with the widget.
Key | Action |
---|---|
← / → | Decreases/increases the value of the focused handle by a step. |
Page Up / Page Down | Decreases/increases the value of the focused handle by a keyStep. |
Home / End | Sets the focused handle to the minimum/maximum value or to the value of the other handle. |
You can implement a custom handler for a key using the registerKeyHandler(key, handler) method.
TypeScript
- import { ..., ViewChild, AfterViewInit } from '@angular/core';
- import { DxSliderModule, DxSliderComponent } from 'devextreme-angular';
- // ...
- export class AppComponent implements AfterViewInit {
- @ViewChild(DxSliderComponent) slider: DxSliderComponent
- ngAfterViewInit () {
- this.slider.instance.registerKeyHandler("backspace", function (e) {
- // The argument "e" contains information on the event
- });
- this.slider.instance.registerKeyHandler("space", function (e) {
- // ...
- });
- }
- }
- @NgModule({
- imports: [
- // ...
- DxSliderModule
- ],
- // ...
- })
See Also
- Call Methods: jQuery | Angular | AngularJS | Knockout | ASP.NET MVC
- Slider Demos
- Slider API Reference
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