Unit 'Controls' Package
[Overview][Constants][Types][Classes][Procedures and functions][Variables][Index] [#lcl]

TControl.DoMouseWheelUp

Signals the OnMouseWheelUp handler.

Declaration

Source position: controls.pp line 1536

protected function TControl.DoMouseWheelUp(

  Shift: TShiftState;

  MousePos: TPoint

):Boolean; virtual;

Arguments

Shift

  

State of the modifier keys and mouse buttons.

MousePos

  

The mouse position, in client coordinates.

Function result

True if handled.

Version 4.4 Generated 2025-11-08 Home