Occurs after a group of rows has been collapsed.
public event RowEventHandler GroupCollapsed
The GroupCollapsed event's data class is RowEventArgs. The following properties provide information specific to this event:
|RowHandle||Gets the grid’s row handle.|
The GroupCollapsed event is raised after a group of data rows has been collapsed from UI or code (CollapseGroupRow). 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.