ITGIS_Shape.GetFieldEx_4 method

Retrieving data from associated data table.

Available also on: Delphi | .NET | Java.

Syntax

// C#
public OleVariant GetFieldEx_4(
  WideString _name,
  int _cursor,
  WordBool _rule
);

' VisualBasic
Public Function GetFieldEx_4(
  ByVal _name As WideString,
  ByVal _cursor As Integer,
  ByVal _rule As WordBool
) As OleVariant

// Oxygene
public
  function GetFieldEx_4(
    _name : WideString;
    _cursor : Integer;
    _rule : WordBool
  ) : OleVariant;

Name	Type	Description
_name	WideString	field name
_cursor	int Integer	cursor index
_rule	WordBool	True if filed rule should be expanded (like alias matching)

Type	Description
OleVariant	Field value. If field value is Null then function will return Null default value. GetField will return a default value instead.

by providing empty field the join (if any exists) will be resynchronize

See TGIS_LayerVector.DrawLabel for example.