Vcl.Controls.TMouseWheelUpDownEvent
Delphi
TMouseWheelUpDownEvent = procedure(Sender: TObject; Shift: TShiftState;
MousePos: TPoint; var Handled: Boolean) of object;
C++
typedef void __fastcall (__closure *TMouseWheelUpDownEvent)(System::TObject* Sender, System::Classes::TShiftState Shift, const System::Types::TPoint &MousePos, bool &Handled);
Properties
Type | Visibility | Source | Unit | Parent |
---|---|---|---|---|
type typedef |
public | Vcl.Controls.pas Vcl.Controls.hpp |
Vcl.Controls | Vcl.Controls |
Description
TMouseWheelUpDownEvent is the function type for an OnMouseWheelUp and an OnMouseWheelDown event.
TMouseWheelUpDownEvent has the following parameters:
Parameter | Meaning |
---|---|
Sender |
The control which generated the event. |
Shift |
The shift state during the rotation of the mouse wheel. |
MousePos |
The current mouse position. |
Handled |
This parameter is used to specify whether the event is handled in the user code. |