API Reference > Classes > Export Classes > TB_IFCEXPORT Namespace > Classes > IFCExportInfoPair Class > IFCExportInfoPair Methods > IFCExportInfoPair::UnKnown Method
IFCExportInfoPair::UnKnown Method
Syntax
C++
static IFCExportInfoPair UnKnown();

Sets an static class to this object with default value unknown

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