private void writeAluminumDesignProps(XmlWriter xml, Material.Material mat)
{
MaterialDesignProps dProps = mat.DesignProperties;
if (dProps is AluminumDesignProps)
{
AluminumDesignProps props = (AluminumDesignProps)dProps;
xml.WriteStartElement("Material");
xml.WriteAttributeString("Material", mat.Name);
xml.WriteAttributeString("AlumType", props.Type.ToString());
xml.WriteAttributeString("Alloy", props.Alloy.ToString());
xml.WriteAttributeString("Ftu", props.Ftu.ToString());
xml.WriteAttributeString("Fty", props.Fty.ToString());
xml.WriteAttributeString("Fcy", props.Fcy.ToString());
xml.WriteAttributeString("Fsu", props.Fsu.ToString());
xml.WriteAttributeString("Fsy", props.Fsy.ToString());
xml.WriteEndElement();
}
}