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 End-User Documentation

ChartControl.SelectedItemsChanged Event

Occurs after the selection of a chart item has been changed.

Namespace:DevExpress.XtraCharts
Assembly:DevExpress.XtraCharts.v17.2.UI.dll

Expanded Syntax

Expanded Event Data

The event handler receives an argument of type SelectedItemsChangedEventArgs containing data related to this event.

Expanded Remarks

Use the SelectedItemsChanged event to customize the chart control behavior when the chart items and/ or business data objects (when using data binding) are selected.

For instance, you can display only bar series which correspond to the selected pie segments, as shown below.

Expanded Example

Show Me

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=T182608.

This example shows how to obtain currently selected series points and show them in another chart. To do this, the SelectedItemsChanged event should be used.

In this example, you can choose the selection behavior (Single, Multiple or Extended) from the Selection Mode combo box. When any country is selected in the pie chart, you can see the population dynamics for each country in the bar chart. To cancel pie segment selection, choose None in the Selection Mode combo box.

In addition, this example demonstrates how to colorize each bar series point in the pie specific color using the CustomDrawSeriesPoint event.

Expanded See Also

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