Vcl.Controls.TMouseWheelEvent

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C++

typedef void __fastcall (__closure *TMouseWheelEvent)(System::TObject* Sender, System::Classes::TShiftState Shift, int WheelDelta, const System::Types::TPoint &MousePos, bool &Handled);

Properties

Type Visibility Source Unit Parent
typedef public Vcl.Controls.hpp Vcl.Controls Vcl.Controls

Description

TMouseWheelEvent is the function type for an OnMouseWheel event.

TMouseWheelEvent has the following parameters:



Parameter Meaning

Sender

The control that generated the event.

Shift

The shift state during the rotation of the mouse wheel.

WheelDelta

The amount by which the mouse wheel is rotated.

MousePos

The current mouse coordinates.

Handled

Specifies whether the event is handled in the user code.



See Also