import { Component, ViewChild } from '@angular/core'; import { jqxPanelComponent } from 'jqwidgets-scripts/jqwidgets-ts/angular_jqxpanel'; @Component({ selector: 'app-root', templateUrl: './app.component.html' }) export class AppComponent { @ViewChild('myPanel') myPanel: jqxPanelComponent; complexInputOnChange(event: any): void { let args = event.args; if (args) { let value = args.value; let oldValue = args.oldValue; let realPart = args.realPart; let imaginaryPart = args.imaginaryPart; this.myPanel.append('' + event.type + '
' + 'value: ' + value + ', old value: ' + oldValue + ',
real part: ' + realPart + ', imaginary part: ' + imaginaryPart + '
'); } } }