Binding to a single element inside a CompositeCollection

Question

I am trying to produce a list of servers for browsing on a network such that it produces a tree view which looks like this:

-Local Server
 - Endpoint 1
 - En         


        

Answer 1

Well, this is the closest I can come to your requirements. All the functionality is not contained within one TreeView, nor is it bound to a compositecollection, but that can remain a secret between you and me;)

    
        
        
            
        
    
    
    
        
            Add Remote Server
            
        
    

using System.Collections.ObjectModel;
using System.Windows;

namespace CompositeCollectionSpike
{
    public partial class Window1 : Window
    {
        private ViewModel viewModel;
        public Window1()
        {
            InitializeComponent();
            viewModel = new ViewModel
                            {
                                LocalServer =new ServerCollection{new Server()},
                                RemoteServers =
                                    new ServerCollection("Remote Servers") {new Server(),
                                        new Server(), new Server()},
                            };
            DataContext = viewModel;
        }

        private void Button_Click(object sender, RoutedEventArgs e)
        {
            viewModel.LaunchAddRemoteServerDialog();
        }
    }

    public class ViewModel:DependencyObject
    {
        public ServerCollection LocalServer { get; set; }
        public ServerCollection RemoteServers { get; set; }

        public void LaunchAddRemoteServerDialog()
        {}
    }

    public class ServerCollection:ObservableCollection
    {
        public ServerCollection(){}

        public ServerCollection(string description)
        {
            Description = description;
        }
        public string Description { get; set; }
    }

    public class Server
    {
        public static int EndpointCounter;
        public static int ServerCounter;
        public Server()
        {
            Name = "Server"+ ++ServerCounter;
            EndPoints=new ObservableCollection();
            for (int i = 0; i < 2; i++)
            {
                EndPoints.Add("Endpoint"+ ++EndpointCounter);
            }
        }
        public string Name { get; set; }
        public ObservableCollection EndPoints { get; set; }
    }
}