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api:dk11:delphi:gislayerpixeludf.tgis_getnativelineevent_tgis_singlearray_integer_integer_integer

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TGIS_GetNativeLineEvent prototype

DK11 for Delphi | GisLayerPixelUDF.TGIS_GetNativeLineEvent | Classes | Prototypes

GetNativeLine event. Fired upon real or grid layer data reading.

Syntax

// Delphi
type
  TGIS_GetNativeLineEvent = function (
    const _buffer : TGIS_SingleArray;
    const _linenr : Integer;
    const _startIdx : Integer;
    const _count : Integer
  ) : Integer of object;
// C++ Builder
typedef int (_closure *TGIS_GetNativeLineEvent)(
  TGIS_SingleArray* const _buffer,
  const int _linenr,
  const int _startIdx,
  const int _count
);

Parameters

Name Type Description
_buffer TGIS_SingleArray predefined buffer of singles
_linenr Integer number of needed grid line
_startIdx Integer left margin (pixels to skip)
_count Integer pixel count

Result

Type Description
Integer
2017/09/04 11:15