inherit UMaterialExpressionMaterialFunctionCall class vs2012 can not compile across. error:
test11.cpp.obj : error LNK2001: ????ⲿ??? “public: virtual void __cdecl UMaterialExpressionMaterialFunctionCall::PreEditChange(class UProperty *)” (?PreEditChange@UMaterialExpressionMaterialFunctionCall@@UEAAXPEAVUProperty@@@Z)