DXCollectionView.GroupCollapsed Event

Occurs after a group of items has been collapsed.

Namespace: DevExpress.XamarinForms.CollectionView

Assembly: DevExpress.XamarinForms.CollectionView.dll

NuGet Package: DevExpress.XamarinForms.CollectionView

Declaration

public event ItemEventHandler GroupCollapsed

Event Data

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

Property
ItemHandle

Remarks

The GroupCollapsed event is raised after a group of data items is collapsed from the UI or code (CollapseGroup). This event serves as a notification and does not allow you to cancel the action. To prevent a group from being collapsed, handle the GroupCollapsing event and set its parameter’s Allow property to false.

When you call the CollapseAllGroups method, the GroupCollapsed event is raised for each group.