Angular BarGauge API

The BarGauge widget contains several circular bars that each indicates a single value.

import { DxBarGaugeModule } from "devextreme-angular"

Type: DxBarGaugeTypes.default

DevExtreme widgets are integrated with many popular libraries and frameworks. See the Installation section (for JavaScript libraries) or the Prerequisites and Installation section (for ASP.NET MVC framework) to find details on setting up DevExtreme with a particular library or framework.

The following code shows how to create the BarGauge widget using every supported library and framework. For more details on working with widgets in these libraries and frameworks, see the Widget Basics topic for jQuery, Angular, AngularJS, Knockout or ASP.NET MVC.

jQuery

JavaScript

HTML

$(function () {
    $("#barGauge").dxBarGauge({
        startValue: 0,
        endValue: 100,
        values: [21.3, 54.1, 30.9, 45.2, 89.41]
    });
});

<div id="barGauge"></div>

Angular

HTML

TypeScript

<dx-bar-gauge
    [startValue]="0"
    [endValue]="100"
    [values]="[21.3, 54.1, 30.9, 45.2, 89.41]">
</dx-bar-gauge>

import { DxBarGaugeModule } from "devextreme-angular";
// ...
export class AppComponent {
    // ...
}
@NgModule({
    imports: [
        // ...
        DxBarGaugeModule
    ],
    // ...
})

AngularJS

HTML

<div dx-bar-gauge="{
    startValue: 0,
    endValue: 100,
    values: [21.3, 54.1, 30.9, 45.2, 89.41]
}"></div>

Knockout

HTML

<div data-bind="dxBarGauge: {
    startValue: 0,
    endValue: 100,
    values: [21.3, 54.1, 30.9, 45.2, 89.41]
}"></div>

ASP.NET MVC Controls

Razor C#

Razor VB

@(Html.DevExtreme().BarGauge()
    .ID("barGauge")
    .StartValue(0)
    .EndValue(100)
    .Values(new[] { 21.3, 54.1, 30.9, 45.2, 89.41 })
)

@(Html.DevExtreme().BarGauge() _
    .ID("barGauge") _
    .StartValue(0) _
    .EndValue(100) _
    .Values({ 21.3, 54.1, 30.9, 45.2, 89.41 })
)

View Demo Watch Video

Configuration

An object that defines configuration options for the BarGauge widget.

Name	Description
animation	Specifies animation options.
backgroundColor	Specifies a color for the remaining segment of the bar's track.
barSpacing	Specifies a distance between bars in pixels.
baseValue	Specifies a base value for bars.
disabled	Specifies whether the widget responds to the user interaction.
elementAttr	Specifies the attributes to be attached to the widget's root element.
endValue	Specifies an end value for the gauge's invisible scale.
export	Configures the exporting and printing features.
geometry	Defines the shape of the gauge's arc.
label	Specifies the options of the labels that accompany gauge bars.
loadingIndicator	Configures the loading indicator.
margin	Generates space around the widget.
onDisposing	A function that is executed before the widget is disposed of.
onDrawn	A function that is executed when the widget's rendering has finished.
onExported	A function that is executed after the widget is exported.
onExporting	A function that is executed before the widget is exported.
onFileSaving	A function that is executed before a file with exported widget is saved to the user's local storage.
onIncidentOccurred	A function that is executed when an error or warning occurs.
onInitialized	A function used in JavaScript frameworks to save the widget instance.
onOptionChanged	A function that is executed after a widget option is changed.
onTooltipHidden	A function that is executed when a tooltip becomes hidden.
onTooltipShown	A function that is executed when a tooltip appears.
palette	Sets the palette to be used for colorizing bars in the gauge.
paletteExtensionMode	Specifies what to do with colors in the palette when their number is less than the number of bars in the gauge.
pathModified	Notifies the widget that it is embedded into an HTML page that uses a tag modifying the path.
redrawOnResize	Specifies whether to redraw the widget when the size of the parent browser window changes or a mobile device rotates.
relativeInnerRadius	Defines the radius of the bar that is closest to the center relatively to the radius of the topmost bar.
rtlEnabled	Switches the widget to a right-to-left representation.
size	Specifies the widget's size in pixels.
startValue	Specifies a start value for the gauge's invisible scale.
theme	Sets the name of the theme the widget uses.
title	Configures the widget's title.
tooltip	Configures tooltips.
values	Specifies the array of values to be indicated on a bar gauge.

Methods

This section describes the methods that can be used in code to manipulate objects related to the BarGauge widget.

Name	Description
beginUpdate()	Prevents the widget from refreshing until the endUpdate() method is called.
dispose()	Disposes of all the resources allocated to the BarGauge instance.
element()	Gets the root widget element.
endUpdate()	Refreshes the widget after a call of the beginUpdate() method.
exportTo(fileName, format)	Exports the widget.
getInstance(element)	Gets the instance of a widget found using its DOM node.
getSize()	Gets the current widget size.
hideLoadingIndicator()	Hides the loading indicator.
instance()	Gets the widget's instance. Use it to access other methods of the widget.
off(eventName)	Detaches all event handlers from a single event.
off(eventName, eventHandler)	Detaches a particular event handler from a single event.
on(eventName, eventHandler)	Subscribes to an event.
on(events)	Subscribes to events.
option()	Gets all widget options.
option(optionName)	Gets the value of a single option.
option(optionName, optionValue)	Updates the value of a single option.
option(options)	Updates the values of several options.
print()	Opens the browser's print window.
render()	Redraws the widget.
showLoadingIndicator()	Shows the loading indicator.
svg()	Gets the widget's SVG markup.
values()	Gets all the values.
values(newValues)	Updates all the values.

Events

This section describes events fired by this widget.

Name	Description
disposing	Raised before the widget is disposed of.
drawn	Raised when the widget's rendering has finished.
exported	Raised after the widget is exported.
exporting	Raised before the widget is exported.
fileSaving	Raised before a file with exported widget is saved to the user's local storage.
incidentOccurred	Raised when an error or warning occurs.
initialized	Raised only once, after the widget is initialized.
optionChanged	Raised after a widget option is changed.
tooltipHidden	Raised when a tooltip becomes hidden.
tooltipShown	Raised when a tooltip appears.

Angular BarGauge API

jQuery

Angular

AngularJS

Knockout

ASP.NET MVC Controls

See Also

Configuration

Methods

Events

See Also