public override XmlElement ToXml(XmlDocument doc)
{
var ele = CreateXmlElement(doc, "DefineBitsLossless");
ele.SetAttribute("characterID", characterID.ToString());
ele.SetAttribute("bitmapFormat", bitmapFormat.ToString());
ele.SetAttribute("bitmapWidth", bitmapWidth.ToString());
ele.SetAttribute("bitmapHeight", bitmapHeight.ToString());
ele.SetAttribute("bitmapColorTableSize", bitmapFormat.ToString());
ele.AppendChild(zlibBitmapData.ToXml(doc));
return(ele);
}