How can I send a file by bluetooth

Public Class Form1
    Dim btClient As New InTheHand.Net.Sockets.BluetoothClient
    Dim SearchThread As System.Threading.Thread
    Dim response As InTheHand.Net.ObexWebResponse
    Private Sub Button1_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button1.Click
        Try
            Dim x As String = "obex://" & CType(cboDevices.SelectedItem, InTheHand.Net.Sockets.BluetoothDeviceInfo).DeviceAddress.ToString & "/" + System.IO.Path.GetFileName(LBLFileName.Text)
            Dim theuri As New Uri("obex://" & CType(cboDevices.SelectedItem, InTheHand.Net.Sockets.BluetoothDeviceInfo).DeviceAddress.ToString & "/" + System.IO.Path.GetFileName(LBLFileName.Text))
            Dim request As New InTheHand.Net.ObexWebRequest(theuri)
            request.ReadFile(Application.StartupPath & "\FilesToSend\" & LBLFileName.Text)
            Dim s As DateTime
            s = Now
            response = CType(request.GetResponse(), InTheHand.Net.ObexWebResponse)
            ' & " ثانية وحالة الإرسال" & response.StatusCode.ToString
            '    Label4.Text = DateDiff(DateInterval.Second, s, Now) & " Sec"
            '    Label7.Text = CType(cboDevices.SelectedItem, InTheHand.Net.Sockets.BluetoothDeviceInfo).DeviceName.ToString
            If response.StatusCode.ToString.Trim = "BadRequest" Then
                Label1.Text = "Not success"
            ElseIf response.StatusCode.ToString.Trim = "OK, Final" Then
                Label1.Text = "Success"
            Else
                Label1.Text = "Error: : " & vbCrLf & _
                response.StatusCode.ToString.Trim
            End If
            response.Close()
        Catch ex As Exception
            MsgBox(Err.Description)
        End Try

    End Sub

    Private Sub Button2_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button2.Click
        If CheckHardwareStatus() = False Then
            MsgBox("Please check BT..", MsgBoxStyle.Information + MsgBoxStyle.MsgBoxRtlReading)
            Exit Sub
        End If
        'SearchThread = New System.Threading.Thread(AddressOf SearchSub)
        'SearchThread.Priority = Threading.ThreadPriority.Highest
        'SearchThread.Start()
        SearchSub()
    End Sub

    Sub SearchSub()
        btClient = New InTheHand.Net.Sockets.BluetoothClient
        Dim s As DateTime
        s = Now
        Dim bdi As InTheHand.Net.Sockets.BluetoothDeviceInfo() = btClient.DiscoverDevices()
        LBlDuration.Text = "Duration: " & DateDiff(DateInterval.Second, s, Now) & " Sec"
        cboDevices.DataSource = bdi
        cboDevices.DisplayMember = "DeviceName"
    End Sub

    Private Sub Button3_Click(ByVal sender As System.Object, ByVal e As System.EventArgs) Handles Button3.Click
        Dim of1 As New OpenFileDialog
        of1.Filter = "All files (*.*)|*.*"
        If of1.ShowDialog = Windows.Forms.DialogResult.OK Then
            LBLFileName.Text = System.IO.Path.GetFileName(of1.FileName)
            Dim FInfo As New IO.FileInfo(of1.FileName)
            LBLFileSize.Text = "File size : " & CType(CType(FInfo.Length / 1024, Integer), String) & " KB"
            Try
                System.IO.File.Copy(of1.FileName, Application.StartupPath & "\FilesToSend\" & System.IO.Path.GetFileName(of1.FileName), True)
            Catch ex As Exception
                MsgBox("Error:" & vbCrLf & _
                        ex.Message, MsgBoxStyle.Information + MsgBoxStyle.MsgBoxRight)
            End Try
        End If
    End Sub

    Function CheckHardwareStatus() As Boolean
        Dim br As InTheHand.Net.Bluetooth.BluetoothRadio = InTheHand.Net.Bluetooth.BluetoothRadio.PrimaryRadio
        If Not br Is Nothing Then
            If br.Mode = InTheHand.Net.Bluetooth.RadioMode.Discoverable Then
                Return True
            ElseIf br.Mode = InTheHand.Net.Bluetooth.RadioMode.Connectable Then
                Return True
            ElseIf br.Mode = InTheHand.Net.Bluetooth.RadioMode.PowerOff Then
                Return True
            End If
        Else
            Return False
        End If
    End Function
End Class