<title>Show/Hide Event Marker Groups Dynamically</title>
		<meta http-equiv="content-type" content="text/html; charset=utf-8">
		<script type="text/javascript" language="javascript" src="./../js/AnyChartStock.js?v=1.9.0r9317"></script>
		<!-- chart size settings -->
		<style type="text/css">
			#chartContainer {
				width: 800px;
				height: 500px;
				float: left;
		<script type="text/javascript" language="javascript">
			// Creating new chart object. 
			var chart = new AnyChartStock("./../swf/AnyChartStock.swf?v=1.9.0r9317", "./../swf/Preloader.swf?v=1.9.0r9317");
			// Setting XML config file.
			// Writing the flash object into the page DOM.
			// needConfig should be set to true to work with objectModel
			chart.needConfig = true;
			// groups visibility state
			var isGroupAVisible = false;
			var isGroupBVisible = false;
			// onChartDraw event handler
			chart.onChartDraw = function() {
				// get visibility state for A group
				isGroupAVisible = chart.getEventMarkersGroupById("idEventMarkersGroupA").visible;
				// get visibility state for B group
				isGroupBVisible = chart.getEventMarkersGroupById("idEventMarkersGroupB").visible;
				// null onChartDraw to prevent its further firing
				chart.onChartDraw = null;
				// set checkboxes
				document.getElementById("groupA").checked = isGroupAVisible;
				document.getElementById("groupB").checked = isGroupBVisible;
			// change visibility for A group
			function showHideGroupA() {
				isGroupAVisible = !isGroupAVisible;
				if (isGroupAVisible)
					chart.showEventMarkerGroup("idEventMarkersGroupA"); // show group
					chart.hideEventMarkerGroup("idEventMarkersGroupA"); // hide group
			// change visibility for B group
			function showHideGroupB() {
				isGroupBVisible = !isGroupBVisible;
				if (isGroupBVisible)
					chart.showEventMarkerGroup("idEventMarkersGroupB"); // show group
					chart.hideEventMarkerGroup("idEventMarkersGroupB"); // hide group
		<!-- style settings -->
		<style type="text/css">
			table.settings {
				border-style: solid;
				border-width: 1px;
				border-color: #D0CDC9;

			table.settings tr th {
				font:normal 60% Verdana;
				background-color: #DCD9D5;
			table.settings tr td {
				background-color: #F8F4F0;
				font:normal 70% Verdana;
		<div id="chartContainer"><!-- Chart Container --></div>
		<table class="settings">
				<th colspan="2">Show/Hide:</th>
				<td><input autocomplete="off" type="checkbox" id="groupA" disabled="true" name="groupA" onclick="showHideGroupA()" /></td>
				<td><label for="groupA">Group A</label></td>
				<td><input autocomplete="off" type="checkbox" id="groupB" disabled="true" name="groupB" onclick="showHideGroupB()" /></td>
				<td><label for="groupB">Group B</label></td>

Sample Description

How to use this sample?

Use checkboxes to the right of the chart to show/hide event markers groups.

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How it works

This sample shows how you can show and hide event markers groups using showEventMarkerGroup and hideEventMarkerGroup methods, which are special methods for showning and hiding event markers groups. Also sample highlights usage getEventMarkersGroupById.

You can read more about event markers and event markers groups in Event Markers section.

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AnyChartStock JavaScript API

This sample uses the following methods, properties and events from AnyChartStock JavaScript API:

Item Type Description
needConfig Property (Boolean) Defines whether the access to full chart configuration object model is required.
getEventMarkersGroupById Method Returns the link to event marker group object.
hideEventMarkerGroup Method Hides event markers group.
setXMLFile Method Sets chart XML configuration file path.
showEventMarkerGroup Method Shows event markers group.
write Method Adds the chart to HTML DOM as a child of the specified container.
onChartDraw Event This event is dispatched when the AnyChart Stock is drawn.

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This section lists all configuration, data and auxiliary files required for this sample.

Configuration file

CSV files

SWF files

  • AnyChartStock.swf - AnyChart Stock component.
  • Preloader.swf - AnyChart Stock helper component that loads the main component (AnyChartStock.swf) and displays loading progress.

JavaScript Libraries

  • AnyChartStock.js - A JavaScript library that is shipped with AnyChart Stock component. It is used to embed the component into HTML DOM and to comunicate with the Flash part.

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