Vcl.ButtonGroup.TButtonGroup.OnMouseWheelUp
Delphi
property OnMouseWheelUp: TMouseWheelUpDownEvent read FOnMouseWheelUp write FOnMouseWheelUp;
C++
__property OnMouseWheelUp;
Properties
| Type | Visibility | Source | Unit | Parent |
|---|---|---|---|---|
| event | published | Vcl.ButtonGroup.pas Vcl.ButtonGroup.hpp |
Vcl.ButtonGroup | TButtonGroup |
Description
Occurs when the mouse wheel is rotated upward.
Vcl.ButtonGroup.TButtonGroup.OnMouseWheelUp inherits from Vcl.Controls.TControl.OnMouseWheelUp. All content below this line refers to Vcl.Controls.TControl.OnMouseWheelUp.
Occurs when the mouse wheel is rotated upward.
Write code in the OnMouseWheelUp event handler to perform actions when the mouse wheel is rotated upward. OnMouseWheelUp occurs only if the message is not already handled in an OnMouseWheel event handler.
OnMouseWheelUp is an event handler of type Vcl.Controls.TMouseWheelUpDownEvent.