Differences in MVP Passive View and Supervising Controller Collections Implementations

Question

I started hugging the whole MVP pattern , and while I am doing a great job with single objects, it starts to get complicated when it comes to collections.

So, let's say, we are developing a simple WinForms application consisting of a DataGrid in the form, while the data model is a simple collection of things where such things have a bunch of properties, and the view will actually display them:

Model

public class Person
{
    public string Name { get; set; }
    public DateTime Birth { get; set; }
    public bool IsCool { get; set; }
}

public class People
{
    public List<Person> Persons { get; set; }
}

View

public interface IPeopleView
{
    List<People> ListOfPeople { get; set; }
}

public partial class PeopleViewImpl : Form, IPeopleView
{
    private DataGridView _grid = new DataGridView();

    public PeopleViewImpl()
    {
        InitializeComponent();
    }

    // Implementation of IPeopleView
    public List<People> ListOfPeople
    {
        get { return /* TODO */; }
        set { _grid.DataSource = value; }
    }
}

Presenter

public class PeoplePresenter
{
    private People _model;
    private IPeopleView _view;

    public PeoplePresenter(People model, IPeopleView view)
    {
        _model = model;
        _view = view;
    }

    void UpdateView()
    {
        _view.ListOfPeople = _model.Peoples;
    }
}

So, what should I implement in the List<People> ListOfPeoplegetter view , as well as how do I call Presenter UpdateView()?

, Presenter MVP ?

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Answer 1

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Answer 2

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