WPF

John Simmons / outlaw programmer wrote:

the list cannot inherit from IBindingList or ObservableCollection

Eslam Afifi wrote:

bind to an ObservableCollection and add and remove items to that ObservableCollection manually

List<A> _aModels = new List<A>(); // the list not to be touched
ObservableCollection<AViewModel> _aViewModels = new ObservableCollection<AViewModel>();

// and adding to to the ObservableCollection when adding to the List to keep them in sync. the same for removing.
var aModel = new A { X = _random.Next(), Y = _random.Next(), Z = _random.Next() };
_aModels.Add(aModel);
_aViewModels.Add(new AViewModel(aModel));

// bind the ObservableCollection to the ListView's ItemsSource

<ListView.View>
    <GridView>
        <GridView.Columns>
            <!-- the ViewModel exposes the X, Y and Z properties -->
            <GridViewColumn Header="X" DisplayMemberBinding="{Binding X}" Width="100" />
            <GridViewColumn Header="Y" DisplayMemberBinding="{Binding Y}" Width="100" />
            <GridViewColumn Header="Z" DisplayMemberBinding="{Binding Z}" Width="100" />
        </GridView.Columns>
    </GridView>
</ListView.View>

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace BindToList
{
  /// <summary>
  /// Interaction logic for Window1.xaml
  /// </summary>
  public partial class Window1 : Window
  {
    private List<MyListItem> _list;
    public Window1()
    {
      InitializeComponent();

      _list = new List<MyListItem>();
      AddItem("John", "Simmons");
      AddItem("Pete", "O'Hanlon");
      AddItem("Clint", "Eastwood");

      foreach (MyListItem item in _list)
      {
        listBound.Items.Add((MyListItem)item);
      }

    }

    public List<MyListItem> MyList
    {
      get { return _list; }
      set { _list = value; }
    }

    public void AddItem(string forename, string surname)
    {
      _list.Add(new MyListItem { ID = _list.Count + 1, Forename = forename, Surname = surname });
    }
  }

  public class MyListItem
  {
    private int _id;

    public int ID
    {
      get { return _id; }
      set { _id = value; }
    }
    private string _forename;

    public string Forename
    {
      get { return _forename; }
      set { _forename = value; }
    }
    private string _surname;

    public string Surname
    {
      get { return _surname; }
      set { _surname = value; }
    }
  }
}

<Window x:Class="BindToList.Window1"
  xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
  xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
  Title="Window1" Height="300" Width="300">
  <Window.Resources>
    <DataTemplate x:Key="myListTemplate">
      <StackPanel Orientation="Horizontal">
        <TextBlock Text="{Binding ID}" />
        <TextBlock Text="{Binding Forename}" />
        <TextBlock Text="{Binding Surname}" />
      </StackPanel>
    </DataTemplate>
  </Window.Resources>
  <Grid>
    <ListBox x:Name="listBound" 
       ItemTemplate="{StaticResource myListTemplate}" 
       Width="200" />
  </Grid>
</Window>

private delegate void DelegateUpdateCombo();

private void MyMethod()
{
    // do something
}

DelegateUpdateCombo method = new DelegateUpdateCombo(MyMethod);
comboBox.Dispatcher.Invoke(myMethod);