DXCollectionView.GroupExpanded Event

Occurs after a group of items has been expanded.

Namespace: DevExpress.Maui.CollectionView

Assembly: DevExpress.Maui.CollectionView.dll

NuGet Package: DevExpress.Maui.CollectionView

Declaration

public event EventHandler<ItemEventArgs> GroupExpanded

Event Data

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

Property	Description
ItemHandle	Gets the handle of the processed item.

Remarks

The GroupExpanded event is raised after a group of data items is expanded from UI or code (ExpandGroup). This event serves as a notification and does not allow you to cancel the action. To prevent a group from being expanded, handle the GroupExpanding event and set its parameter’s Cancel inherited property to true.

When you call the ExpandAllGroups method, the GroupExpanded event is raised for each group.