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 End-User Documentation

ChartControl.Zoom Event

Occurs when an end-user zooms in or out of the ChartControl.

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

Expanded Syntax

Expanded Event Data

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

Expanded Remarks

Note that this event is raised for 2D Charts only. In 3D Charts, the similar Zoom3D event is raised.

Note

In the Zoom event handler, you cannot change the layout of a chart. For example, modifying the Series or DevExpress.XtraCharts.Series.Points collection in this event may affect the axis range.

Expanded Example

Show Me

A complete sample project is available in the DevExpress Code Examples database at http://www.devexpress.com/example=T137138.

This example shows how to adjust the secondary Y- axis range along which the chart is zoomed.

To accomplish this task, obtain the secondary Y-axis in the Zoom event handler and specify a custom secondary Y-axis range by calling the DevExpress.XtraCharts.Range.SetMinMaxValues method.

Expanded See Also

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