Controls.TControl.OnMouseWheelDown
From RAD Studio VCL Reference
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Delphi Information
From Controls.pas
property OnMouseWheelDown: TMouseWheelUpDownEvent read FOnMouseWheelDown write FOnMouseWheelDown;
Unit: Controls
Type: event
Visibility: protected
Member Of: TControl
C++ Information
From Controls.hpp
__property TMouseWheelUpDownEvent OnMouseWheelDown;
Unit: Controls
Type: property
Visibility: protected
Member Of: TControl
Description
Occurs when the mouse wheel is rotated downward.
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.