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api:dk11:delphi:gissqlquery.tgis_sqlquerystatfun_string_string

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TGIS_SqlQueryStatFun prototype

DK11 for Delphi | GisSqlQuery.TGIS_SqlQueryStatFun | Classes | Prototypes

Call-back function, must return a value of the field given by _field.

Available also on: .NET | Java.

Syntax

// Delphi
type
  TGIS_SqlQueryStatFun = function (
    const _field : String;
    const _function : String
  ) : Variant of object;
// C++ Builder
typedef Variant* (_closure *TGIS_SqlQueryStatFun)(
  const UnicodeString _field,
  const UnicodeString _function
);

Parameters

Name Type Description
_field String field name
_function String statistic function name

Result

Type Description
Variant
2019/04/14 01:12