C#

using (DirectoryEntry root = new DirectoryEntry())
{
    root.Username = username;
    root.Password = password;
    root.Path = LDAPPath;

    using (DirectorySearcher searcher = new DirectorySearcher())
    {
        searcher.SearchRoot = root;
        searcher.SearchScope = SearchScope.Subtree;
        searcher.Filter = "(objectClass=user)";
        searcher.PropertiesToLoad.Add("msDS-PrincipalName");
                            seacher.PropertiesToLoad.Add("divison");

        SearchResultCollection results = searcher.FindAll();
        StringBuilder summary = new StringBuilder();
        foreach (SearchResult result in results)
        {
            foreach (string propName in result.Properties.PropertyNames)
            {
                foreach (string s in result.Properties[propName])
                {
                    summary.Append(" " + propName + ": " + s + "\r\n");
                }
            }
            summary.Append("\r\n");
        }
        textBoxResults.Text = summary.ToString();
    }
}

public class myObject
    {
        public List<ChildObject> subObject = new List<ChildObject> { };

        public string ObjectName { get; set; }

        public class ChildObject
        {
            public string ChildObjectName { get; set; }
            public MemoryStream ChildStream { get; set; }
        }
    }

// This is OK
            MemoryStream myMS = new MemoryStream();
            myMS.Position = 0;
// End of This is OK
//
            myObject MyObj = new myObject();
            MyObj.ObjectName = "My First Object";
            MyObj.subObject.Add(new myObject.ChildObject());
            MyObj.subObject[0].ChildObjectName = "My First Sub Object";
            MyObj.subObject[0].ChildStream.Position = 0; // :mad:ERROR LINE