API Reference > OdIfc2x2_final Namespace > Classes > IfcRelOverridesProperties Class > IfcRelOverridesProperties Methods > testAttr Method > IfcRelOverridesProperties::testAttr Method (char *)
IfcRelOverridesProperties::testAttr Method (char *)
Syntax
C++
virtual bool testAttr(const char * explicitAttrName) const;
Parameters 
Description 
const char * explicitAttrName 
[in] An ANSI string that contains the attribute name.  

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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