API Reference > OdIfc4x1 Namespace > Classes > IfcSimpleValue Class > IfcSimpleValue Methods > _d Method > IfcSimpleValue::_d Method ()
IfcSimpleValue::_d Method ()
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Syntax
C++
virtual long _d() const;
Returns

Returns a long value that represents the type determinant.

Description

Retrieves the "Select" data type determinant.

Group
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