Angular Gauges - Gauge Tooltip

This demo shows how to enable and customize the tooltip of the CircularGauge. Hover over the value indicator or any of the subvalue indicators to show its tooltip.

Backend API

<dx-circular-gauge id="gauge" [value]="12" [subvalues]="[8, 18]"> <dxo-circular-gauge-scale [startValue]="0" [endValue]="20" [tickInterval]="5"> </dxo-circular-gauge-scale> <dxo-circular-gauge-title text="Rheostat Resistance"> <dxo-circular-gauge-font [size]="28"></dxo-circular-gauge-font> </dxo-circular-gauge-title> <dxo-circular-gauge-tooltip [enabled]="true" [customizeTooltip]="customizeTooltip" > <dxo-circular-gauge-font color="#DCD0FF" [size]="40"> </dxo-circular-gauge-font> </dxo-circular-gauge-tooltip> <dxo-circular-gauge-export [enabled]="true"></dxo-circular-gauge-export> </dx-circular-gauge>

import { bootstrapApplication } from '@angular/platform-browser'; import { Component, enableProdMode, provideZoneChangeDetection } from '@angular/core'; import { DxCircularGaugeModule } from 'devextreme-angular'; if (!/localhost/.test(document.location.host)) { enableProdMode(); } @Component({ selector: 'demo-app', templateUrl: './app.component.html', styleUrls: ['./app.component.css'], imports: [ DxCircularGaugeModule, ], }) export class AppComponent { customizeTooltip = ({ valueText }) => ({ text: `${valueText} ohm`, }); } bootstrapApplication(AppComponent, { providers: [ provideZoneChangeDetection({ eventCoalescing: true, runCoalescing: true }), ], });

::ng-deep #gauge { height: 440px; width: 100%; }

<!DOCTYPE html> <html lang="en"> <head> <title>DevExtreme Demo</title> <meta http-equiv="X-UA-Compatible" content="IE=edge" /> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=5.0" /> <link rel="stylesheet" type="text/css" href="https://cdn3.devexpress.com/jslib/26.1.5/css/dx.light.css" /> </head> <body class="dx-viewport"> <div class="demo-container"> <demo-app>Loading...</demo-app> </div> <script src="https://cdn.jsdelivr.net/npm/zone.js@0.16.2/bundles/zone.umd.js"></script> <script src="./bundle.js" type="module"></script> </body> </html>