MonkAlex

public class Example
    {
        public int id { get; set; }
        public string idnetrikalpu { get; set; }
        public string decription { get; set; }
        public string district { get; set; }
        public string externallpuid { get; set; }
        public bool isactive { get; set; }
        public string lpufullname { get; set; }
        public string lpushortname { get; set; }
    }

var fb = new WebClient() {Encoding = Encoding.UTF8}.DownloadString("http://91.237.82.1/api/v1/netrikalpu/?format=json");
      var list = JsonConvert.DeserializeObject<List<Example>>(fb);

at System.Windows.Forms.TreeView.CustomDraw(Message& m)

<ListBox ItemsSource="{Binding}">
            <ListBox.ItemTemplate>
                <DataTemplate DataType="local:Line">
                    <TextBlock Text="{Binding Title}"/>
                </DataTemplate>
            </ListBox.ItemTemplate>
        </ListBox>

public MainWindow()
    {
      InitializeComponent();
      var lines = new List<Line>();
      lines.Add(new Line() { Title = "1" });
      lines.Add(new Line() { Title = "2" });
      lines.Add(new Line() { Title = "3" });
      this.DataContext = lines;
    }

public class Line
  {
    public string Title { get; set; } 
  }