Browser file from directory in visual basic .net

1.Create Windows From App
2.Add TextBox And Button Double Click Button Insert Code

3.Insert namespace
Imports System.IO
Imports System.Data
Imports System.Windows.Forms

Dim FolderBrowser As New FolderBrowserDialog
        If FolderBrowser.ShowDialog = DialogResult.OK Then
            txtFileDir.Text = FolderBrowser.SelectedPath
            Dim root As Environment.SpecialFolder = Environment.SpecialFolder.MyComputer
        End If