ATMLSchemaLibrary.XsdUtils.getAttributes C# (CSharp) Method

        public static bool getAttributes( object item, List<XmlSchemaAttribute> attributes )
        {
            if( item is XmlSchemaComplexType )
            {
                XmlSchemaComplexType complexType = (XmlSchemaComplexType)item;
                foreach (object entry in complexType.AttributeUses)
                {
                    object o  = null;
                    if (entry is System.Collections.DictionaryEntry)
                    {
                        System.Collections.DictionaryEntry de = (System.Collections.DictionaryEntry)entry;
                        object key = de.Key;
                        object value = de.Value;
                        o = value;
                    }
                    if (o is XmlSchemaAttribute)
                        attributes.Add((XmlSchemaAttribute)o);
                    else if (o is XmlSchemaAttributeGroupRef)
                    {
                        XmlSchemaAttributeGroupRef groupRef = (XmlSchemaAttributeGroupRef)o;
                        XmlQualifiedName qname = groupRef.RefName;
                        if (qname != null)
                        {
                            XmlSchemaAttributeGroup group = null;
                            if (SchemaManager.GetAttributeGroup(qname.Namespace, qname.Name, out group))
                            {
                                foreach (object oo in group.Attributes)
                                {
                                    if (oo is XmlSchemaAttribute)
                                    {
                                        attributes.Add((XmlSchemaAttribute)oo);
                                    }
                                }
                            }
                        }
                    }
                }

                if (complexType.ContentModel != null && complexType.ContentModel.Content is XmlSchemaComplexContentExtension)
                {
                    XmlSchemaComplexContentExtension ext = (XmlSchemaComplexContentExtension)complexType.ContentModel.Content;
                    XmlSchemaComplexType baseType;
                    if (ext.BaseTypeName != null && SchemaManager.GetComplexType(ext.BaseTypeName.Namespace, ext.BaseTypeName.Name, out baseType))
                    {
                        getAttributes(baseType, attributes);
                    }
                }
            }

            return attributes.Count > 0;
        }