[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] Reference for unit 'Controls' (#lcl)

TControl.DoMouseWheelHorz

Performs actions needed to handle horizontal mouse wheel events.

Declaration

Source position: controls.pp line 1537

protected function TControl.DoMouseWheelHorz(

  Shift: TShiftState;

  WheelDelta: Integer;

  MousePos: TPoint

):Boolean; virtual;

Arguments

Shift

  

Shift state for the mouse wheel event.

WheelDelta

  

Number of units (or clicks) the mouse wheel was moved.

MousePos

  

TPoint with the mouse coordinates for the event.

Function result

True when the mouse wheel event has been handled for the control.

Version 4.0 Generated 2025-05-03 Home