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Controls.TMouseWheelUpDownEvent Type

TMouseWheelUpDownEvent is the function type for an OnMouseWheelUp event.

Pascal
TMouseWheelUpDownEvent = procedure (Sender: TObject; Shift: TShiftState; MousePos: TPoint; var Handled: Boolean) of object;
C++
(Sender: TObject; Shift: TShiftState; MousePos: TPoint; var Handled: Boolean) ( TMouseWheelUpDownEvent)();

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.  

 

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