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GridControl.GroupRowExpanding Event

Occurs before a group row is expanded.

Namespace: DevExpress.Mobile.DataGrid

Assembly: DevExpress.Mobile.Grid.v18.2.dll

Declaration

public event RowAllowEventHandler GroupRowExpanding
Public Event GroupRowExpanding As RowAllowEventHandler

Remarks

The GroupRowExpanding event is raised before a group row is expanded by an end-user or in code, allowing you to cancel this action. To prevent a group row from being expanded, set the event parameter's Allow property to false.

The GridControl.ExpandAllGroups method allows you to expand all group rows. In this instance, the GroupRowExpanding event is raised for each group.

After the group row has been expanded, the GridControl.GroupRowExpanded event is raised.

See Also