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api:dk11:activex:tatukgis_xdk11.itgis_layervector.getfieldex_olevariant_widestring

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ITGIS_LayerVector.GetFieldEx method

DK11 for ActiveX | TatukGIS_XDK11.ITGIS_LayerVector.GetFieldEx | Methods | Properties

Get field value for a shape determined by unique identity.

Available also on: Delphi | .NET | Java.

Syntax

// C#
public OleVariant GetFieldEx(
  OleVariant _uid,
  WideString _name
);
' VisualBasic
Public Function GetFieldEx(
  ByVal _uid As OleVariant,
  ByVal _name As WideString
) As OleVariant
// Oxygene
public
  function GetFieldEx(
    _uid : OleVariant;
    _name : WideString
  ) : OleVariant;

Parameters

Name Type Description
_uid OleVariant identity
_name WideString field name

Result

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

Remarks

Use this method to get field value for a shape given by unique identity.

When using this operation, never call any function which uses FindFirst..FindNext (any function which iterates through the shapes using it - so never use inside an operation like Locate, PaintScope etc.).

2019/09/27 01:05