Vue PolarChart 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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clearSelection()
To learn about series selection, refer to the Selection Handling help section.
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dispose()
After calling this method, remove the DOM element associated with the widget:
jQuery
$("#myPolarChart").dxPolarChart("dispose"); $("#myPolarChart").remove();
Angular
<dx-polar-chart #polarChartVar id="myPolarChart"></dx-polar-chart>
import { ..., ViewChild } from "@angular/core"; import { DxPolarChartComponent } from "devextreme-angular"; // ... export class AppComponent { @ViewChild("polarChartVar", { static: false }) polarChart: DxPolarChartComponent; // Prior to Angular 8 // @ViewChild("polarChartVar") polarChart: DxPolarChartComponent; removePolarChart (e) { this.polarChart.instance.dispose(); document.getElementById("myPolarChart").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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exportTo(fileName, format)
See Also
- DevExpress.viz.exportWidgets(widgetInstances, options)
- export
- print()
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getAllSeries()
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getDataSource()
Gets the DataSource instance.
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- Data Layer - Overview
- Data Layer - DataSource Examples
getInstance(element)
getInstance is a static method that the widget class supports. The following code demonstrates how to get the PolarChart instance found in an element with the myPolarChart
ID:
// Modular approach import PolarChart from "devextreme/viz/polar_chart"; ... let element = document.getElementById("myPolarChart"); let instance = PolarChart.getInstance(element) as PolarChart; // Non-modular approach let element = document.getElementById("myPolarChart"); let instance = DevExpress.viz.dxPolarChart.getInstance(element);
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getSeriesByName(seriesName)
The series' name.
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getSeriesByPos(seriesIndex)
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getSize()
Returns an object with the following fields.
- width
The width of the widget in pixels. - height
The height of the widget in pixels.
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hideLoadingIndicator()
Although the loading indicator hides automatically once the widget is ready, you can hide it from code at the required moment using this method.
See Also
- showLoadingIndicator()
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hideTooltip()
Use this method to hide all widget tooltips programmatically.
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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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on(eventName, eventHandler)
Use this method to subscribe to one of the events listed in the Events section.
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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
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option(optionName)
See Also
- Get and Set Options
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option(optionName, optionValue)
See Also
- Get and Set Options
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option(options)
See Also
- Get and Set Options
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print()
See Also
- exportTo(fileName, format)
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refresh()
The widget cannot track changes a third party makes in the data source. Call this method to update data in the widget in this case.
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render()
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.
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render(renderOptions)
You can call the render method without parameters after the size or visibility of the widget container is changed. Alternatively, call the render method passing an object as the parameter. This object must contain the force field set to 'true'. In addition, you can use this object to specify whether or not to perform animation on redrawing with the animate field.
The following code sample illustrates the example of the object that can be passed to the render method.
var renderOptions = { force: true, // forces redrawing animate: false // redraws the widget without animation }
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showLoadingIndicator()
See Also
- hideLoadingIndicator()
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svg()
See Also
- DevExpress.viz.getMarkup(widgetInstances)
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If you have technical questions, please create a support ticket in the DevExpress Support Center.