FMX.Types.TKeyEvent
Delphi
TKeyEvent = procedure(Sender: TObject; var Key: Word; var KeyChar: WideChar; Shift: TShiftState) of object;
C++
typedef void __fastcall (__closure *TKeyEvent)(System::TObject* Sender, System::Word &Key, System::WideChar &KeyChar, System::Classes::TShiftState Shift);
Properties
| Type | Visibility | Source | Unit | Parent | 
|---|---|---|---|---|
| type typedef | public | FMX.Types.pas FMX.Types.hpp | FMX.Types | FMX.Types | 
Description
Procedural type that is used for all OnKeyDown and OnKeyUp event types.
A TKeyEvent event handler must be called with the following parameters:
- Sender--a pointer to the object that called this function.
- Key--the key on the keyboard.
- KeyChar--the character code.
- Shift-- indicates which shift keys--SHIFT, CTRL, ALT, and CMD (only for Mac)--were down when the specified key was pressed with the control in focus.