This event occurs whenever a mouse wheel is goes up.

property OnMouseWheelUp: TVFMouseWheelUpDownEvent;

__property TVFMouseWheelUpDownEvent OnMouseWheelUp;

event TVFMouseWheelUpDownEvent OnMouseWheelUp;

Event OnMouseWheelUp As TVFMouseWheelUpDownEvent

OnMouseWheelUp

__property TVFMouseWheelUpDownEvent OnMouseWheelUp;

OnMouseWheelUp

published OnMouseWheelUp;