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api:dk11:delphi:gislayervector.tgis_layervector.getstatistics_string_string

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TGIS_LayerVector.getStatistics method

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

Parse label string (to expand fields etc.).

Available also on: .NET | Java.

Syntax

// Delphi
protected
  function getStatistics(
    const _field : String;
    const _function : String
  ) : Variant;
// C++ Builder
protected:
  Variant* getStatistics(
    const UnicodeString _field,
    const UnicodeString _function
  );

Parameters

Name Type Description
_field String source field of statistics
_function String name of statistical function

Result

Type Description
Variant Value of statistics or null.
2019/06/20 01:11