System.Xml.Serialization.SchemaImporter.MakeDerived C# (CSharp) Method

        internal void MakeDerived(StructMapping structMapping, Type baseType, bool baseTypeCanBeIndirect)
        {
            structMapping.ReferencedByTopLevelElement = true;
            TypeDesc baseTypeDesc;
            if (baseType != null)
            {
                baseTypeDesc = Scope.GetTypeDesc(baseType);
                if (baseTypeDesc != null)
                {
                    TypeDesc typeDescToChange = structMapping.TypeDesc;
                    if (baseTypeCanBeIndirect)
                    {
                        // if baseTypeCanBeIndirect is true, we apply the supplied baseType to the top of the
                        // inheritance chain, not necessarily directly to the imported type.
                        while (typeDescToChange.BaseTypeDesc != null && typeDescToChange.BaseTypeDesc != baseTypeDesc)
                            typeDescToChange = typeDescToChange.BaseTypeDesc;
                    }
                    if (typeDescToChange.BaseTypeDesc != null && typeDescToChange.BaseTypeDesc != baseTypeDesc)
                        throw new InvalidOperationException(SR.Format(SR.XmlInvalidBaseType, structMapping.TypeDesc.FullName, baseType.FullName, typeDescToChange.BaseTypeDesc.FullName));
                    typeDescToChange.BaseTypeDesc = baseTypeDesc;
                }
            }
        }