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RAD Studio VCL Reference
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Controls.TMouseWheelEvent Type
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RAD Studio VCL Reference
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TMouseWheelEvent is the function type for an OnMouseWheel event.
TMouseWheelEvent = procedure (Sender: TObject; Shift: TShiftState; WheelDelta: Integer; MousePos: TPoint; var Handled: Boolean) of object;
(Sender: TObject; Shift: TShiftState; WheelDelta: Integer; MousePos: TPoint; var Handled: Boolean) ( TMouseWheelEvent)();
TMouseWheelEvent has the following parameters:
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Parameter |
Meaning |
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Sender |
The control that generated the event. |
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Shift |
The shift state during the rotation of the mouse wheel. |
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WheelDelta |
The amount by which the mouse wheel is rotated. |
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MousePos |
The current mouse coordinates. |
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Handled |
Specifies whether the event is handled in the user code. |
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Copyright(C) 2009 Embarcadero Technologies, Inc. All Rights Reserved.
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