DataGridView.GroupCollapsed Event

Occurs after a group of rows has been collapsed.

Namespace: DevExpress.Maui.DataGrid

Assembly: DevExpress.Maui.DataGrid.dll

NuGet Package: DevExpress.Maui.DataGrid

Declaration

public event EventHandler<RowEventArgs> GroupCollapsed

Event Data

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

Property	Description
RowHandle	Gets the grid’s row handle.

Remarks

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 Cancel property to true.

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