API Reference > OdDg Classes > OdDgReferenceAttachmentHeader Class > OdDgReferenceAttachmentHeader Methods > OdDgReferenceAttachmentHeader::getForeignUnits Method
OdDgReferenceAttachmentHeader::getForeignUnits Method
Syntax
C++
OdDgReferenceForeignUnits getForeignUnits() const;

Defines the units for DGN to use when .dwf or .dxf files being opened has its Design Center Units set to "Unspecified." ( It can happen for .dwg files created prior to release 2000 )

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