Vcl.ComCtrls.TLVChangingEvent
Delphi
TLVChangingEvent = procedure(Sender: TObject; Item: TListItem;
Change: TItemChange; var AllowChange: Boolean) of object;
C++
typedef void __fastcall (__closure *TLVChangingEvent)(System::TObject* Sender, TListItem* Item, TItemChange Change, bool &AllowChange);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
type typedef |
public | Vcl.ComCtrls.pas Vcl.ComCtrls.hpp |
Vcl.ComCtrls | Vcl.ComCtrls |
Description
TLVChangingEvent is a procedure called by the OnChanging event.
Set the AllowChange parameter to False to prevent the change from taking place.
The Item parameter is the list item that is about to change.
The Change parameter indicates the type of change that is about to happen.