Vcl.ComCtrls.TLVChangingEvent
C++
typedef void __fastcall (__closure *TLVChangingEvent)(System::TObject* Sender, TListItem* Item, TItemChange Change, bool &AllowChange);
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
typedef | public | 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.