HierarchicalChartControlBase.SelectionChanged Event

Fires after the selection has been changed.

Namespace: DevExpress.XtraTreeMap

Assembly: DevExpress.XtraTreeMap.v23.2.UI.dll

NuGet Package: DevExpress.Win.TreeMap

Declaration

C#

public event SelectionChangedEventHandler SelectionChanged

VB.NET

Public Event SelectionChanged As SelectionChangedEventHandler

Event Data

The SelectionChanged event's data class is SelectionChangedEventArgs. The following properties provide information specific to this event:

Property	Description
SelectedGroups	Returns the collection of selected group paths.
SelectedItems	Returns the collection of selected items.

Remarks

Handle the HierarchicalChartControlBase.SelectionChanged event to perform specific actions when the Tree Map’s or the Sunburst’s selection changes.

Related GitHub Examples

The following code snippet (auto-collected from DevExpress Examples) contains a reference to the SelectionChanged event.

Note

The algorithm used to collect these code examples remains a work in progress. Accordingly, the links and snippets below may produce inaccurate results. If you encounter an issue with code examples below, please use the feedback form on this page to report the issue.

C#

winforms-dashboard-custom-items-extension/CS/CustomItemExtension/CustomItems/SunburstChart/SunburstItemControlProvider.cs#L37

sunburst.ToolTipController = toolTipController;
sunburst.SelectionChanged += Sunburst_SelectionChanged;
emptyTitle = new Title() { Visible = false };

VB.NET

winforms-dashboard-custom-items-extension/VB/CustomItemExtension/CustomItems/SunburstChart/SunburstItemControlProvider.vb#L43

sunburst.ToolTipController = toolTipController
AddHandler sunburst.SelectionChanged, AddressOf Sunburst_SelectionChanged
emptyTitle = New Title() With {.Visible = False}