DevExtreme Angular - Keyboard Support

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

Key Action
Space Changes the widget value.

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

jQuery
JavaScript
function registerKeyHandlers () {
    let checkBox =  $("#checkBoxContainer").dxCheckBox("instance");
    checkBox.registerKeyHandler("backspace", function (e) {
        // The argument "e" contains information on the event
    });
    checkBox.registerKeyHandler("space", function (e) {
        // ...
    });
}
Angular
TypeScript
import { ..., ViewChild, AfterViewInit } from "@angular/core";
import { DxCheckBoxModule, DxCheckBoxComponent } from "devextreme-angular";
// ...
export class AppComponent implements AfterViewInit {
    @ViewChild(DxCheckBoxComponent, { static: false }) checkBox: DxCheckBoxComponent
    // Prior to Angular 8
    // @ViewChild(DxCheckBoxComponent) checkBox: DxCheckBoxComponent
    ngAfterViewInit () {
        this.checkBox.instance.registerKeyHandler("backspace", function (e) {
            // The argument "e" contains information on the event
        });
        this.checkBox.instance.registerKeyHandler("space", function (e) {
            // ...
        });
    }
}
@NgModule({
    imports: [
        // ...
        DxCheckBoxModule
    ],
    // ...
})
See Also