DevExtreme Angular - Keyboard Support

An end user can use the following keys to interact with the widget.

Key Action
↑ or Page Up Moves focus to the previous radio button.
↓ or Page Down Moves focus to the next radio button.
Home / End Moves focus to the first/last radio button.
Enter or Space Selects the focused radio button.

You can implement a custom handler for a key using the registerKeyHandler(key, handler) method.

TypeScript
  • import { ..., ViewChild, AfterViewInit } from '@angular/core';
  • import { DxRadioGroupModule, DxRadioGroupComponent } from 'devextreme-angular';
  • // ...
  • export class AppComponent implements AfterViewInit {
  • @ViewChild(DxRadioGroupComponent) radioGroup: DxRadioGroupComponent
  • ngAfterViewInit () {
  • this.radioGroup.instance.registerKeyHandler("backspace", function (e) {
  • // The argument "e" contains information on the event
  • });
  • this.radioGroup.instance.registerKeyHandler("space", function (e) {
  • // ...
  • });
  • }
  • }
  • @NgModule({
  • imports: [
  • // ...
  • DxRadioGroupModule
  • ],
  • // ...
  • })
See Also