public bool contains(articleparttype apt)
 {
     return(farticleparts.ContainsKey(apt));
 }
 // used within the code to get an article part for the specified part type
 public articlepart style(articleparttype apt)
 {
     return((articlepart)fparts[apt]);
 }
 // overrides colectionbase.add, mainly for use by xmlserialiser
 public virtual void Add(articleparttype apt)
 {
     this.List.Add(apt);
     farticleparts.Add(apt, apt);
 }