I am trying to change the language from english to hebrew and vid versa

'                                                             120420_2050
' C:\WINDOWS\Microsoft.NET\Framework\v3.5\vbc /target:winexe my_form_120420_1840.vb >> out.txt
'
Option Strict Off
Imports System
Imports System.IO
Imports System.Text
Imports System.Windows.Forms  
Imports System.Globalization
Imports System.Collections.Generic
Imports System.Text.RegularExpressions
Imports System.Diagnostics
Imports System.Drawing
Imports System.Threading
Imports System.Runtime.InteropServices
 
Module gimatria

 Sub Main()  
   Dim myForm1 As New my_Form1
   myForm1.ShowDialog()
   myForm1.Dispose()
 End Sub
  
End Module

'<System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
Public Class my_Form1

   Private nwl As MyNativeWindowListener
   Dim _englishInput As InputLanguage
   Dim _hebrewInput As InputLanguage

   Public Sub New()
     MyBase.New()

     'This call is required by the Windows Form Designer.
     InitializeComponent()

     'Add any initialization after the InitializeComponent() call

     _englishInput = GetInputLanguageByName("english")
     _hebrewInput = GetInputLanguageByName("hebrew")

     nwl = New MyNativeWindowListener(Me)

   End Sub

    Public Shared Function GetInputLanguageByName(ByVal inputName As String) As InputLanguage
        Dim lang As InputLanguage
        For Each lang In InputLanguage.InstalledInputLanguages
           If lang.Culture.EnglishName.ToLower().StartsWith(inputName) Then
              Return lang
           End If
        Next
        Return Nothing
    End Function

    Friend Sub ApplicationActivated(ByVal ApplicationActivated As Boolean)
        ' The application has been activated or deactivated
      If ApplicationActivated = False Then
         InputLanguage.CurrentInputLanguage = _englishInput
         Me.Text = "Application Active = " + ApplicationActivated.ToString()
      ElseIf ApplicationActivated = True Then
         InputLanguage.CurrentInputLanguage = _hebrewInput
         Me.Text = "Application Active = " + ApplicationActivated.ToString()
      End If
   End Sub

    Private Sub my_Form1_FormClosing(sender As Object, e As FormClosingEventArgs) Handles MyBase.FormClosing
       InputLanguage.CurrentInputLanguage = _englishInput
    End Sub

    Private Sub Form1_DoubleClick(sender As Object, e As EventArgs) Handles MyBase.DoubleClick
       InputLanguage.CurrentInputLanguage = _englishInput
    End Sub

End Class

'-----------------------------------------------------------------------------

<Global.Microsoft.VisualBasic.CompilerServices.DesignerGenerated()> _
Partial Class my_Form1
    Inherits System.Windows.Forms.Form

    'Form overrides dispose to clean up the component list.
    <System.Diagnostics.DebuggerNonUserCode()> _
    Protected Overrides Sub Dispose(ByVal disposing As Boolean)
        Try
            If disposing AndAlso components IsNot Nothing Then
                components.Dispose()
            End If
        Finally
            MyBase.Dispose(disposing)
        End Try
    End Sub

    'Required by the Windows Form Designer
    Private components As System.ComponentModel.IContainer

    'NOTE: The following procedure is required by the Windows Form Designer
    'It can be modified using the Windows Form Designer.  
    'Do not modify it using the code editor.
    <System.Diagnostics.DebuggerStepThrough()> _
    Private Sub InitializeComponent()
        Me.SuspendLayout()
        '
        'Form1
        '
        Me.AutoScaleDimensions = New System.Drawing.SizeF(8.0!, 16.0!)
        Me.AutoScaleMode = System.Windows.Forms.AutoScaleMode.Font
        Me.ClientSize = New System.Drawing.Size(515, 253)
        Me.Name = "my_Form1"
        Me.Text = "my_Form1"
        Me.StartPosition = System.Windows.Forms.FormStartPosition.CenterScreen
        Me.ResumeLayout(False)

    End Sub

End Class

'----------------------------------------------------------------------------------------------

' NativeWindow class to listen to operating system messages.
Friend Class MyNativeWindowListener
    Inherits NativeWindow

    ' Constant value was found in the "windows.h" header file.
    Private Const WM_ACTIVATEAPP As Integer = &H1C

    Private parent As my_Form1

    Public Sub New(ByVal parent As my_Form1)

        AddHandler parent.HandleCreated, AddressOf Me.OnHandleCreated
        AddHandler parent.HandleDestroyed, AddressOf Me.OnHandleDestroyed
        Me.parent = parent
    End Sub

    ' Listen for the control's window creation and hook into it.    
    Private Sub OnHandleCreated(ByVal sender As Object, ByVal e As EventArgs)
        ' Window is now created, assign handle to NativeWindow.
        AssignHandle(CType(sender, Form).Handle)
    End Sub

    Private Sub OnHandleDestroyed(ByVal sender As Object, ByVal e As EventArgs)
        ' Window was destroyed, release hook.
        ReleaseHandle()
    End Sub

    <System.Security.Permissions.PermissionSetAttribute(System.Security.Permissions.SecurityAction.Demand, Name:="FullTrust")> _
        Protected Overrides Sub WndProc(ByRef m As Message)
        ' Listen for operating system messages

        Select Case (m.Msg)
            Case WM_ACTIVATEAPP

                ' Notify the form that this message was received.
                ' Application is activated or deactivated, 
                ' based upon the WParam parameter.
                parent.ApplicationActivated(m.WParam.ToInt32() <> 0)

        End Select

        MyBase.WndProc(m)
    End Sub
End Class

'----------------------------------------------------------------------------------------------