.. _exhale_define__ifc4x2-definitions_8h_1aafb70f59b0e20d1b69043aab806aa816: Define SCHEMA_IfcWindowLiningProperties_LiningThickness_IS_OPTIONAL =================================================================== - Defined in :ref:`file_src_ifcparse_Ifc4x2-definitions.h` Define Documentation -------------------- .. doxygendefine:: SCHEMA_IfcWindowLiningProperties_LiningThickness_IS_OPTIONAL