public override void CopyColumn(OutlinerColumn oldColumn)
{
MemoryStream stream = new MemoryStream();
XmlWriter wr = XmlWriter.Create(stream);
oldColumn.Save(wr);
wr.Flush();
stream.Seek(0, SeekOrigin.Begin);
XmlReader reader = XmlReader.Create(stream);
Load(reader);
reader.Close();
stream.Close();
}
public abstract void CopyColumn(OutlinerColumn oldColumn);