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api:dk11:delphi:fmx.giscontrollegend.tgis_controllegend.mousewheel_tshiftstate_integer_boolean

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TGIS_ControlLegend.MouseWheel method

DK for Delphi | FMX.GisControlLegend.TGIS_ControlLegend.MouseWheel | Constructors | Methods | Properties | Events

Overrides the default MouseWheel event behavior.

Syntax

// Delphi
protected
  procedure MouseWheel(
    _shift : TShiftState;
    _delta : Integer;
    var _handled : Boolean
  ); override;
// C++ Builder
protected:
  virtual void MouseWheel(
    TShiftState* _shift,
    int _delta,
    bool &_handled
  );

Parameters

Name Type Description
_shift TShiftState the pressed shift keys
_delta Integer wheel delta: positive if the mouse wheel was rotated upward and negative if the mouse wheel was rotated downward
_handled Boolean indicates whether the scroll bar was already moved
2026/07/11 00:18

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