React Toolbar Methods
beginUpdate()
Prevents the UI component from refreshing until the endUpdate() method is called.
The beginUpdate() and endUpdate() methods prevent the UI component from excessive updates when you are changing multiple UI component settings at once. After the beginUpdate() method is called, the UI component does not update its UI until the endUpdate() method is called.
See Also
defaultOptions(rule)
Name | Type | Description |
---|---|---|
device | | |
Device parameters. |
options |
Options to be applied. |
defaultOptions is a static method that the UI component class supports. The following code demonstrates how to specify default properties for all instances of the Toolbar UI component in an application executed on the desktop.
jQuery
DevExpress.ui.dxToolbar.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the Toolbar properties } });
Angular
import Toolbar, { Properties } from "devextreme/ui/toolbar"; // ... export class AppComponent { constructor () { Toolbar.defaultOptions<Properties>({ device: { deviceType: "desktop" }, options: { // Here go the Toolbar properties } }); } }
Vue
<template> <div> <DxToolbar id="toolbar1" /> <DxToolbar id="toolbar2" /> </div> </template> <script> import DxToolbar from "devextreme-vue/toolbar"; import Toolbar from "devextreme/ui/toolbar"; Toolbar.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the Toolbar properties } }); export default { components: { DxToolbar } } </script>
React
import dxToolbar from "devextreme/ui/toolbar"; import Toolbar from "devextreme-react/toolbar"; dxToolbar.defaultOptions({ device: { deviceType: "desktop" }, options: { // Here go the Toolbar properties } }); export default function App() { return ( <div> <Toolbar id="toolbar1" /> <Toolbar id="toolbar2" /> </div> ) }
dispose()
jQuery
After calling this method, remove the DOM element associated with the UI component:
$("#myToolbar").dxToolbar("dispose"); $("#myToolbar").remove();
Angular
Use conditional rendering instead of this method:
<dx-toolbar ... *ngIf="condition"> </dx-toolbar>
Vue
Use conditional rendering instead of this method:
<template> <DxToolbar ... v-if="condition"> </DxToolbar> </template> <script> import DxToolbar from 'devextreme-vue/toolbar'; export default { components: { DxToolbar } } </script>
React
Use conditional rendering instead of this method:
import React from 'react'; import Toolbar from 'devextreme-react/toolbar'; function DxToolbar(props) { if (!props.shouldRender) { return null; } return ( <Toolbar ... > </Toolbar> ); } class App extends React.Component { render() { return ( <DxToolbar shouldRender="condition" /> ); } } export default App;
endUpdate()
Refreshes the UI component after a call of the beginUpdate() method.
Main article: beginUpdate()
See Also
getDataSource()
Gets the DataSource instance.
See Also
getInstance(element)
getInstance is a static method that the UI component class supports. The following code demonstrates how to get the Toolbar instance found in an element with the myToolbar
ID:
// Modular approach import Toolbar from "devextreme/ui/toolbar"; ... let element = document.getElementById("myToolbar"); let instance = Toolbar.getInstance(element) as Toolbar; // Non-modular approach let element = document.getElementById("myToolbar"); let instance = DevExpress.ui.dxToolbar.getInstance(element);
See Also
on(eventName, eventHandler)
Use this method to subscribe to one of the events listed in the Events section.
See Also
on(events)
Use this method to subscribe to several events with one method call. Available events are listed in the Events section.
See Also
repaint()
The method repaints Toolbar and re-initializes all its items.
See Also
- reload() in DataSource | List
- refresh() in DataGrid | TreeList
If you have technical questions, please create a support ticket in the DevExpress Support Center.