FMX.ListBox.TOnListBoxDragChange
Delphi
TOnListBoxDragChange = procedure(SourceItem, DestItem: TListBoxItem; var Allow: Boolean) of object;
C++
typedef void __fastcall (__closure *TOnListBoxDragChange)(TListBoxItem* SourceItem, TListBoxItem* DestItem, bool &Allow);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
type typedef |
public | FMX.ListBox.pas FMX.ListBox.hpp |
FMX.ListBox | FMX.ListBox |
Description
TOnListBoxDragChange is an event type used by the OnDragChange event handler of any TCustomListBox or descendant components.
In OnDragChange event handlers you can make further changes to the list box after the drag-and-drop operation.
| Parameter | Meaning |
|---|---|
|
|
The item being dropped. |
|
|
The item in the list on top of which the |
|
|
Permission to make a drag-and-drop operation on an item. |