Vcl.ComCtrls.TCustomTreeView.OnExpanded
Delphi
property OnExpanded: TTVExpandedEvent read FOnExpanded write FOnExpanded;
C++
__property TTVExpandedEvent OnExpanded = {read=FOnExpanded, write=FOnExpanded};
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| event | protected | Vcl.ComCtrls.pas Vcl.ComCtrls.hpp |
Vcl.ComCtrls | TCustomTreeView |
Description
Occurs after a node is expanded.
Write an OnExpanded event handler to respond when a node in the tree view is expanded. The Node parameter specifies the node whose children are now displayed to the user.
OnExpanded is an event handler of type Vcl.ComCtrls.TTVExpandedEvent.