Angular ProgressBar Methods
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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.
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defaultOptions(rule)
defaultOptions is a static method that the widget class supports. The following code demonstrates how to specify default options for all instances of the ProgressBar widget in an application executed on the desktop.
jQuery
DevExpress.ui.dxProgressBar.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ProgressBar options } });
Angular
import ProgressBar from "devextreme/ui/progress_bar"; // ... export class AppComponent { constructor () { ProgressBar.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ProgressBar options } }); } }
Vue
<template> <div> <DxProgressBar id="progressBar1" /> <DxProgressBar id="progressBar2" /> </div> </template> <script> import DxProgressBar from "devextreme-vue/progress-bar"; import ProgressBar from "devextreme/ui/progress_bar"; ProgressBar.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ProgressBar options } }); export default { components: { DxProgressBar } } </script>
React
import React from "react"; import dxProgressBar from "devextreme/ui/progress_bar"; import ProgressBar from "devextreme-react/progress-bar"; class App extends React.Component { render () { dxProgressBar.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the ProgressBar options } }) return ( <div> <ProgressBar id="progressBar1" /> <ProgressBar id="progressBar2" /> </div> ) } } export default App;
dispose()
After calling this method, remove the DOM element associated with the widget:
jQuery
$("#myProgressBar").dxProgressBar("dispose"); $("#myProgressBar").remove();
Angular
<dx-progress-bar #progressBarVar id="myProgressBar"></dx-progress-bar>
import { ..., ViewChild } from "@angular/core"; import { DxProgressBarComponent } from "devextreme-angular"; // ... export class AppComponent { @ViewChild("progressBarVar", { static: false }) progressBar: DxProgressBarComponent; // Prior to Angular 8 // @ViewChild("progressBarVar") progressBar: DxProgressBarComponent; removeProgressBar (e) { this.progressBar.instance.dispose(); document.getElementById("myProgressBar").remove(); } }
element()
An HTML element or a jQuery element when you use jQuery.
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endUpdate()
Refreshes the widget after a call of the beginUpdate() method.
Main article: beginUpdate()
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getInstance(element)
getInstance is a static method that the widget class supports. The following code demonstrates how to get the ProgressBar instance found in an element with the myProgressBar
ID:
// Modular approach import ProgressBar from "devextreme/ui/progress_bar"; ... let element = document.getElementById("myProgressBar"); let instance = ProgressBar.getInstance(element) as ProgressBar; // Non-modular approach let element = document.getElementById("myProgressBar"); let instance = DevExpress.ui.dxProgressBar.getInstance(element);
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instance()
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off(eventName)
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
off(eventName, eventHandler)
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(eventName, eventHandler)
Use this method to subscribe to one of the events listed in the Events section.
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
on(events)
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
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- Handle Events: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option()
Gets all widget options.
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(optionName, optionValue)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
option(options)
See Also
- Get and Set Options
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
repaint()
See Also
- reload() in DataSource | List
- refresh() in DataGrid | TreeList
- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
reset()
Resets the value option to the default value.
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- Call Methods: Angular | Vue | React | jQuery | AngularJS | Knockout | ASP.NET MVC 5 | ASP.NET Core
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