/// <summary>
/// Method creates a new ToDo item, assignes it to the Assignee if any.
/// The new ToDo item is then inserted into the items list and finally returned.
/// </summary>
/// <param name="assignee"></param>
/// <param name="description"></param>
/// <returns>Returns the object of the created ToDo item</returns>
public ToDo AddToDoItem(Person assignee = null, string description = "Nothing")
{
int nextItemId = ToDoSequencer.NextId();
ToDo newTodo = new ToDo(nextItemId, description);
newTodo.Assignee = assignee;
//extend array by one.
int arrayLength = this.Size();
Array.Resize(ref myItems, arrayLength + 1);
myItems[arrayLength] = newTodo;
return(newTodo);
}
/// <summary>
/// The method creates a new empty list of ToDo items and
/// discards the old Array. Reset is also done on the sequenser.
/// </summary>
public void Clear()
{
myItems = new ToDo[0];
ToDoSequencer.Reset();
}