FMX.Pickers.TOnValueChanged
Delphi
TOnValueChanged = procedure(Sender: TObject; const AValueIndex: Integer) of object;
C++
typedef void __fastcall (__closure *TOnValueChanged)(System::TObject* Sender, const int AValueIndex);
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
type typedef |
public | FMX.Pickers.pas FMX.Pickers.hpp |
FMX.Pickers | FMX.Pickers |
Description
The method pointer type used to define value-changing events of platform-specific pickers for a string item selection from drop-down list controls.
Event handlers of the TOnValueChanged type have the following parameters:
| Parameter | Description |
|---|---|
Sender
|
The FMX picker control that fired the event. |
AValueIndex
|
Specifies the ordinal number of a selected string item. |