.NET (Core and Framework)

Public Interface ISomething(As T)
   Function Something As T
End Interface

Public Class SomethingElse(As T)
   Public Property SomeStuff As T
   ' No explicit get/set required in .NET 4 :)
End Class

<span id="CallerForm1_CallerInformation1_lblLNameLabel" class="clsFormLabelSide" style="font-size:XX-Small;z-index: 109; left: 273px; position: absolute;
       top: 56px">(last)</span>
   <input name="CallerForm1:CallerInformation1:txtLName" type="text" value="RedFireTruck" maxlength="50" id="CallerForm1_CallerInformation1_txtLName" style="width:168px;z-index: 105; left: 266px; position: absolute;
       top: 72px" />

Dim theElementCollection As HtmlElementCollection = wbCHCTrac.Document.GetElementsByTagName("input")
        If wbCHCTrac.Url.ToString.Contains("client/upd_caller.aspx?") Then
            For Each currentElement As HtmlElement In theElementCollection
                Dim controlName As String = currentElement.GetAttribute("id").ToString
                If controlName = "CallerForm1:CallerInformation1:txtLName" Then
                    MsgBox(currentElement.GetAttribute("Value").ToString)
                    
                End If
            Next
        End If

Image<Gray, byte> img = new Image<Bgr, byte>(filePath).Convert<Gray,Byte>();
Emgu.CV.Features2D.MSERDetector param = new Emgu.CV.Features2D.MSERDetector(1, 10, 100, 0.05f, 0.2f, 200, 1.01, 0.03, 3);
MemStorage storage = new MemStorage();
Image<Gray, Byte> mask = new Image<Gray, Byte>(img.Width, img.Height, new Gray(1));
Seq<Point>[] regions= img.ExtractMSER(mask, ref　param, storage);

Seq<Point>[] regions= img.ExtractMSER(mask, ref　param, storage);

public partial class MainWindow : Window
   {
       public MainWindow()
       {
           InitializeComponent();
       }
       public Window2 window2instance2 { get; set; }



       public void ChangeButton1Content()

       {



        if (window2instance2.key)
           {
               Button1.Content = "I Changed";

           }
       }

       private void Openwindows2_Click(object sender, RoutedEventArgs e)
       {
           Window2 window2instance = new Window2();
           window2instance.MainWindowInstance = this;
           window2instance.Show();

       }

   }

public partial class Window2 : Window
{
    public Window2()
    {
        InitializeComponent();
    }

    public bool key = false;
    public MainWindow MainWindowInstance { get; set; }


   public void window2button_Click(object sender, RoutedEventArgs e)
    {
         MainWindow mainwindow = new MainWindow();
        mainwindow.window2instance2 = this;
        key = true;


        MainWindowInstance.ChangeButton1Content();

        this.Close();
    }
}