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

TControl.OnMouseWheel

Event handler for mouse wheel turned.

Declaration

Source position: controls.pp line 1526

protected property TControl.OnMouseWheel : TMouseWheelEvent read FOnMouseWheel write FOnMouseWheel;

By default all mouse wheel actions are translated into scroll events. Write an OnMouseWheel handler to react on turns of the mouse wheel.

The OnMouseWheelUp and OnMouseWheelDown handlers are notified only, they are not suited for customization of mouse wheel events.