Public Class Form1
  Inherits System.Windows.Forms.Form

#Region " Windows Form Designer generated code "

  Public Sub New()
    MyBase.New()

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

    'Initialize with the current directory and start the process.
    tbCurDirectory.Text = CurDir()
    SetupWatcher()
  End Sub

  'Form overrides dispose to clean up the component list.
  Protected Overloads Overrides Sub Dispose(ByVal disposing As Boolean)
    If disposing Then
      If Not (components Is Nothing) Then
        components.Dispose()
      End If
    End If
    MyBase.Dispose(disposing)
  End Sub

  Friend WithEvents lbDirectory As System.Windows.Forms.ListBox
  Friend WithEvents btnChangeDir As System.Windows.Forms.Button
  Friend WithEvents DirectoryWatcher As System.IO.FileSystemWatcher
  Friend WithEvents tbCurDirectory As System.Windows.Forms.TextBox

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

  '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.tbCurDirectory = New System.Windows.Forms.TextBox()
    Me.lbDirectory = New System.Windows.Forms.ListBox()
    Me.btnChangeDir = New System.Windows.Forms.Button()
    Me.DirectoryWatcher = New System.IO.FileSystemWatcher()
    CType(Me.DirectoryWatcher, _
    System.ComponentModel.ISupportInitialize).BeginInit()
    Me.SuspendLayout()
    '
    'tbCurDirectory
    '
    Me.tbCurDirectory.Anchor _
     = ((System.Windows.Forms.AnchorStyles.Bottom Or _
     System.Windows.Forms.AnchorStyles.Left) _
     Or System.Windows.Forms.AnchorStyles.Right)
    Me.tbCurDirectory.Location = New System.Drawing.Point(8, 184)
    Me.tbCurDirectory.Name = "tbCurDirectory"
    Me.tbCurDirectory.Size = New System.Drawing.Size(208, 20)
    Me.tbCurDirectory.TabIndex = 2
    Me.tbCurDirectory.Text = ""
    '
    'lbDirectory
    '
    Me.lbDirectory.Anchor = (((System.Windows.Forms.AnchorStyles.Top Or _
                               System.Windows.Forms.AnchorStyles.Bottom) _
                Or System.Windows.Forms.AnchorStyles.Left) _
                Or System.Windows.Forms.AnchorStyles.Right)
    Me.lbDirectory.Name = "lbDirectory"
    Me.lbDirectory.Size = New System.Drawing.Size(356, 173)
    Me.lbDirectory.TabIndex = 0
    '
    'btnChangeDir
    '
    Me.btnChangeDir.Anchor _
     = (System.Windows.Forms.AnchorStyles.Bottom Or _
     System.Windows.Forms.AnchorStyles.Right)
    Me.btnChangeDir.Location = New System.Drawing.Point(224, 184)
    Me.btnChangeDir.Name = "btnChangeDir"
    Me.btnChangeDir.Size = New System.Drawing.Size(120, 23)
    Me.btnChangeDir.TabIndex = 1
    Me.btnChangeDir.Text = "Monitor Directory"
    '
    'DirectoryWatcher
    '
    Me.DirectoryWatcher.EnableRaisingEvents = True
    Me.DirectoryWatcher.NotifyFilter _
    = ((System.IO.NotifyFilters.FileName Or _
     System.IO.NotifyFilters.DirectoryName) _
     Or System.IO.NotifyFilters.LastWrite)
    Me.DirectoryWatcher.SynchronizingObject = Me
    '
    'Form1
    '
    Me.AutoScaleBaseSize = New System.Drawing.Size(5, 13)
    Me.ClientSize = New System.Drawing.Size(352, 213)
    Me.Controls.AddRange(New System.Windows.Forms.Control() _
               {Me.tbCurDirectory, Me.btnChangeDir, Me.lbDirectory})
    Me.Name = "Form1"
    Me.Text = "Directory Monitor"
    CType(Me.DirectoryWatcher, System.ComponentModel. _
    ISupportInitialize).EndInit()
    Me.ResumeLayout(False)

  End Sub

#End Region

  Private Sub btnChangeDir_Click _
  (ByVal sender As System.Object, ByVal e As System.EventArgs) _
   Handles btnChangeDir.Click
    SetupWatcher()
  End Sub

  Private Sub DirectoryChanged(ByVal sender As Object, _
  ByVal e As System.IO.FileSystemEventArgs) _
   Handles DirectoryWatcher.Changed, _
   DirectoryWatcher.Created, DirectoryWatcher.Deleted
    FillList()
  End Sub

  Private Sub SetupWatcher()
    Try
      DirectoryWatcher.Path = tbCurDirectory.Text()
      DirectoryWatcher.EnableRaisingEvents = True
      FillList()
    Catch BadArg As ArgumentException
      lbDirectory.Items.Clear()
      lbDirectory.Items.Add("Bad Directory")
    End Try
  End Sub

  Private Sub FillList()
    lbDirectory.Items.Clear()
    lbDirectory.Items.AddRange _
    (System.IO.Directory.GetFiles(DirectoryWatcher.Path))
  End Sub

End Class