Vcl.ComCtrls.TLVOwnerDataHintEvent
C++
typedef void __fastcall (__closure *TLVOwnerDataHintEvent)(System::TObject* Sender, int StartIndex, int EndIndex);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| typedef | public | Vcl.ComCtrls.hpp | Vcl.ComCtrls | Vcl.ComCtrls |
Description
TLVOwnerDataHintEvent is the type of a list view's Vcl.ComCtrls.TCustomListView.OnDataHint and Vcl.ComCtrls.TCustomListView.OnDataHint event handlers.
StartIndex is the first item in the range for which the OnData event may occur.
EndIndex is the last item in the range for which the OnData event may occur.
Use the index information to update the items in the range before the OnData event occurs.