RAD Studio VCL Reference
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TControl.OnMouseWheelDown Event
TControl Class | TControl Members | Controls Namespace | Description | See Also
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Occurs when the mouse wheel is rotated downward.

Pascal
property OnMouseWheelDown: TMouseWheelUpDownEvent;
C++
__property TMouseWheelUpDownEvent OnMouseWheelDown;
Description

Write code in the OnMouseWheelDown event handler to perform actions when the mouse wheel is rotated downward. OnMouseWheelDown occurs only if the message is not already handled in an OnMouseWheel event handler. 

 

See Also
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