AnnotationLayer Class
File
wijmo.chart.annotation.js
Module
wijmo.chart.annotation

Represents an annotation layer for FlexChart and FinancialChart.

The AnnotationLayer contains a collection of various annotation elements: texts, lines, images, rectangles etc. To use the AnnotationLayer, create annotations and push them to the layer's items property.

Constructor

Properties

Methods

Constructor

constructor

constructor(chart: FlexChartCore, options?): AnnotationLayer

Initializes a new instance of the AnnotationLayer class.

Parameters
Returns
AnnotationLayer

Properties

items

Gets the collection of annotation elements in the AnnotationLayer.

Type
ObservableArray

Methods

getItem

getItem(name: string): AnnotationBase

Gets an annotation element by name in the AnnotationLayer.

Parameters
  • name: string

    The annotation's name.

Returns
AnnotationBase

getItems

getItems(name: string): Array

Gets the annotation elements by name in the AnnotationLayer.

Parameters
  • name: string

    The annotations' name.

Returns
Array