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View this topic on docs.devexpress.com (Learn more)

ChartControl.SelectedItemsChanging Event

Occurs before the Chart Control's selected items collection is changed, enabling a handler to cancel the selection change.

Namespace:DevExpress.XtraCharts
Assembly:DevExpress.XtraCharts.v19.1.UI.dll

Expanded Syntax

Expanded Event Data

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

The following SelectedItemsChangingEventArgs properties provide information specific to this event.
Property Description
Action Gets an action which describes how the collection has been changed.
Cancel Gets or sets the value identifying whether the selection change is canceled.
NewItems Provides access to a collection of new selected chart elements (series and series points) and business data objects if a Chart Control or a series is bound to a data source.
OldItems Provides access to previously selected chart elements (series and series points) and business data objects if a Chart Control or a series is bound to a data source.

Expanded Remarks

This event fires before the selection is changed. It can be handled to customize the Chart control's selection. The event's Cancel parameter that allows you to prevent the chart item from being selected.

Expanded See Also

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