The <cxxStructDerivationVirtual> element indicates if inheritance is declared as virtual.
The <cxxStructDerivationVirtual> element is contained within a <cxxStructDerivation> element. The name attribute must be set to virtual and the value attribute must be set to true. The base referered to by the <cxxStructDerivationVirtual> element is indicated by using either a <cxxStructBaseStruct>, <cxxStructBaseStruct> or <cxxStructBaseUnion> element as a sibling of <cxxStructDerivationVirtual>.
<cxxStructDerivations> <cxxStructDerivation> <cxxStructDerivationVirtual name="virtual" value="true"/> <cxxStructDerivationAccessSpecifier value="public"/> <cxxStructBaseStruct href="struct_base">Base</cxxStructBaseStruct> </cxxStructDerivation> ... </cxxStructDerivations>