TGIS_ControlScalePrepareEvent prototype

DK for Delphi | VCL.GisControlScale.TGIS_ControlScalePrepareEvent | Classes | Prototypes

Event fired before TGIS_ControlScale prepares map scale measurement values for display or printing.

Available also on: Delphi FMX.

// Delphi
type
  TGIS_ControlScalePrepareEvent = procedure (
    const _ptA : TGIS_Point;
    const _ptB : TGIS_Point;
    var _distance : Double;
    var _units : String
  ) of object;

// C++ Builder
typedef void (_closure *TGIS_ControlScalePrepareEvent)(
  TGIS_Point* const _ptA,
  TGIS_Point* const _ptB,
  double &_distance,
  UnicodeString &_units
);