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api:dk11:delphi:gislayervector.tgis_layervector.mustcalculatestatistics_void

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TGIS_LayerVector.MustCalculateStatistics method

DK11 for Delphi | GisLayerVector.TGIS_LayerVector.MustCalculateStatistics | Constructors | Fields | Methods | Properties | Events

Verifies if all statistics required to properly render the layer are available.

Available also on: .NET | Java.

Syntax

Overrides TGIS_Layer.MustCalculateStatistics.

// Delphi
public
  function MustCalculateStatistics : Boolean; override;
// C++ Builder
public:
  virtual bool MustCalculateStatistics(void);

Result

Type Description
Boolean True if some statistics must be computed.

Remarks

The function does not consider if the statistics are valid (up-to-date). It verifies only that statistics exist.

2020/05/07 01:09