windowsforms-devexpress-dot-xtracharts-dot-sankey-dot-sankeydiagramcontrol-a294c278.md
Occurs when a collection of highlighted items (links or nodes) is changed.
Namespace : DevExpress.XtraCharts.Sankey
Assembly : DevExpress.XtraCharts.v25.2.UI.dll
NuGet Package : DevExpress.Win.Charts
public event SankeyHighlightedItemsChangedEventHandler HighlightedItemsChanged
Public Event HighlightedItemsChanged As SankeyHighlightedItemsChangedEventHandler
The HighlightedItemsChanged event's data class is SankeyHighlightedItemsChangedEventArgs. The following properties provide information specific to this event:
| Property | Description |
|---|---|
| HighlightedLinks | Returns a collection of highlighted diagram links. |
| HighlightedNodes | Returns a collection of highlighted diagram nodes. |
The following code tracks changes to highlighted diagram items:
void HighlightedItemsChanged(object sender, SankeyHighlightedItemsChangedEventArgs e) {
var list = e.HighlightedLinks.Select(x => (Export)x.Tags[0]);
HighlightArrows(list);
}
Private Sub HighlightedItemsChanged(ByVal sender As Object, ByVal e As SankeyHighlightedItemsChangedEventArgs) Handles sankeyDiagramControl1.HighlightedItemsChanged
Dim list = e.HighlightedLinks.Select(Function(x) CType(x.Tags(0), Export))
HighlightArrows(list)
End Sub
Note
Run the following demo for the complete example: Tooltip
The following code snippet (auto-collected from DevExpress Examples) contains a reference to the HighlightedItemsChanged 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.
sankey.SelectedItemsChanging += Sankey_SelectedItemsChanging;
sankey.HighlightedItemsChanged += Sankey_HighlightedItemsChanged;
}
AddHandler sankey.SelectedItemsChanging, AddressOf Sankey_SelectedItemsChanging
AddHandler sankey.HighlightedItemsChanged, AddressOf Sankey_HighlightedItemsChanged
End Sub
See Also