API Reference > OdIfc Namespace > Classes > OdIfcEntity Class > OdIfcEntity Methods > testAttr Method > OdIfcEntity::testAttr Method (OdIfcAttribute)
OdIfcEntity::testAttr Method (OdIfcAttribute)
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Parameters |
Description |
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const OdIfcAttribute explicitAttrDef |
[in] An OdIfcAttribute enumeration that represents the attribute definition. |
Returns true if the attribute has a value; otherwise, the method returns false (the attribute value is not set).
Retrieves whether the attribute value is set or is unset.
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