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api:dk11:delphi:gisinternals.joinfieldinfo_field_tfieldtype_integer

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JoinFieldInfo(Field; TFieldType; Integer) method

DK11 for Delphi | GisInternals.JoinFieldInfo | Overloads | Enums | Fields | Methods | Types

Return field specification for use by TGIS_DataSet. For example blob fields will be ignored etc.

Syntax

// Delphi
procedure JoinFieldInfo(
  const _source : Field;
  var _subtype : TFieldType;
  var _subsize : Integer
); overload;
// C++ Builder
extern DELPHI_PACKAGE void JoinFieldInfo(
  Field* const _source,
  TFieldType* &_subtype,
  int &_subsize
) /* overload */;

Parameters

Name Type Description
_source Field field to be verified
_subtype TFieldType field type to which source field will be converted; ftUnknown if field can not be used
_subsize Integer field size for user defined filed sizes (like ftString) for other will always be 0
2017/09/04 11:15