API Reference > OdIfc4x2 Namespace > Classes > IfcMetricValueSelect Class > IfcMetricValueSelect Methods > _d Method > IfcMetricValueSelect::_d Method ()
IfcMetricValueSelect::_d Method ()
Syntax
C++
virtual long _d() const;

Returns a long value that represents the type determinant.

Retrieves the "Select" data type determinant.

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