public void Remove(User user)
{
if (this._collection.Contains(user))
this._collection.Remove(user);
}
public NewUserEventArgs(string username, string userUniqueID)
{
this._user = new User(username, userUniqueID);
}
public void Add(User user)
{
if (!this._collection.Contains(user))
this._collection.Add(user);
}