/// <summary>
/// AddPerson creates a new person and inserts it into the existing array of
/// persons in the people collection.
/// </summary>
/// <param name="firstName">The actual first name of person.</param>
/// <param name="lastName">The actual last name of person.</param>
/// <returns>Returns the object of the created person.</returns>
public Person AddPerson(string firstName, string lastName)
{
// Create a new person and put in an unique Id from nextPersonId();
int indexedPersonId = PersonSequencer.getNext();
Person newPerson = new Person(indexedPersonId, firstName, lastName);
// Now extend the Array by one so insert is possible
int lengthOfField = _myPeople.Length;
Array.Resize(ref _myPeople, lengthOfField + 1);
_myPeople[lengthOfField] = newPerson;
return(newPerson);
}
/// <summary>
/// Clear method discards the old collection of people and creates a new empty one.
/// Note that the Id handler will also reset!
/// </summary>
public void Clear()
{
_myPeople = new Person[0];
PersonSequencer.Reset();
}