根据xsd生成xml文档

根据xsd生成xml文档(7)             {
                GetItem(arr, obj);
            }
        }
        return arr;
    }
    public static void GetItem(System.Collections.Generic.List<XmlSchemaElement> arr, XmlSchemaObject obj)
    {
        if (obj.GetType() == typeof(XmlSchemaElement))
        {
            XmlSchemaElement item = (XmlSchemaElement)obj;
            arr.Add(item);
        }
        else if (obj.GetType() == typeof(XmlSchemaChoice))
        {
            XmlSchemaChoice choice = obj as XmlSchemaChoice;
            foreach (XmlSchemaObject child in choice.Items)
            {
                if (child.GetType() == typeof(XmlSchemaElement))
                {
                    XmlSchemaElement item = child as XmlSchemaElement;
                    arr.Add(item);
                }