React Bullet Methods
This section describes the methods that can be used in code to manipulate objects related to the Bullet widget.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
beginUpdate()
Prevents the widget from refreshing until the endUpdate() method is called.
The beginUpdate() and endUpdate() methods prevent the widget from excessive updates when you are changing multiple widget settings at once. After the beginUpdate() method is called, the widget does not update its UI until the endUpdate() method is called.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
dispose()
Disposes of all the resources allocated to the Bullet instance.
After calling this method, remove the DOM element associated with the widget:
jQuery
$("#myBullet").dxBullet("dispose"); $("#myBullet").remove();
Angular
<dx-bullet #bulletVar id="myBullet"></dx-bullet>
import { ..., ViewChild } from "@angular/core"; import { DxBulletComponent } from "devextreme-angular"; // ... export class AppComponent { @ViewChild("bulletVar", { static: false }) bullet: DxBulletComponent; // Prior to Angular 8 // @ViewChild("bulletVar") bullet: DxBulletComponent; removeBullet (e) { this.bullet.instance.dispose(); document.getElementById("myBullet").remove(); } }
element()
Gets the root widget element.
An HTML element or a jQuery element when you use jQuery.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
endUpdate()
Refreshes the widget after a call of the beginUpdate() method.
Main article: beginUpdate()
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
getInstance(element)
Gets the instance of a widget found using its DOM node.
The widget's instance.
getInstance is a static method that the widget class supports. The following code demonstrates how to get the Bullet instance found in an element with the myBullet
ID:
// Modular approach import Bullet from "devextreme/viz/bullet"; ... let element = document.getElementById("myBullet"); let instance = Bullet.getInstance(element) as Bullet; // Non-modular approach let element = document.getElementById("myBullet"); let instance = DevExpress.viz.dxBullet.getInstance(element);
See Also
getSize()
Gets the current widget size.
Size
The current widget size.
Returns an object with the following fields.
- width
The width of the widget in pixels. - height
The height of the widget in pixels.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
instance()
Gets the widget's instance. Use it to access other methods of the widget.
This widget's instance.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
off(eventName)
Detaches all event handlers from a single event.
The event's name.
The object for which this method is called.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
off(eventName, eventHandler)
Detaches a particular event handler from a single event.
The object for which this method is called.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(eventName, eventHandler)
Subscribes to an event.
The object for which this method is called.
Use this method to subscribe to one of the events listed in the Events section.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(events)
Subscribes to events.
Events with their handlers: { "eventName1": handler1, "eventName2": handler2, ...}
The object for which this method is called.
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
See Also
- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option()
Gets all widget options.
The widget's options.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName)
Gets the value of a single option.
The option's name or full path.
This option's value.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName, optionValue)
Updates the value of a single option.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(options)
Updates the values of several options.
Options with their new values.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
print()
Opens the browser's print window.
See Also
- exportTo(fileName, format)
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
render()
Redraws the widget.
Normally, the widget redraws itself automatically after the browser window is resized. But on rare occasions, you may need to request the redrawing, for example, after the widget's container is resized. For this purpose, call the render() method.
See Also
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
svg()
Gets the widget's SVG markup.
The widget's SVG markup.
See Also
- DevExpress.viz.getMarkup(widgetInstances)
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
If you have technical questions, please create a support ticket in the DevExpress Support Center.