TdxCustomLayoutGroup.OnCollapsing Event
In This Article
Enables you to prevent a group from being collapsed.
#Declaration
Delphi
property OnCollapsing: TdxLayoutGroupExpandingEvent read; write;
#Remarks
Fires when a group is being collapsed.
Sender specifies the group that generates this event.
Allow specifies whether group collapse is allowed. Set Allow to False, to prevent group collapsing.
See Also