public static ClassCollectionItem getInstance()
{
if (instance == null)
{
instance = new ClassCollectionItem();
}
return(instance);
}
public override bool Equals(object obj)
{
if (obj == null || !this.GetType().Equals(obj.GetType()))
{
return(false);
}
ClassCollectionItem s = (ClassCollectionItem)obj;
return(s.Count == Count);
}
public ClassCollectionItem Unite(ClassCollectionItem coll)
{
ClassCollectionItem united = new ClassCollectionItem();
foreach (Item item in this)
{
united.Add(item);
}
foreach (Item item in coll)
{
if (!this.IsThere(item.NameOfItem))
{
united.Add(item);
}
}
return(united);
}