Vcl.ComCtrls.TCustomTreeView.OnCheckStateChanging
Delphi
property OnCheckStateChanging: TTVCheckStateChangingEvent read FOnCheckStateChanging write FOnCheckStateChanging;
C++
__property TTVCheckStateChangingEvent OnCheckStateChanging = {read=FOnCheckStateChanging, write=FOnCheckStateChanging};
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
event | protected | Vcl.ComCtrls.pas Vcl.ComCtrls.hpp |
Vcl.ComCtrls | TCustomTreeView |
Description
OnCheckStateChanging event handler is tiggered before a node's CheckState changes.