Spanish Problema con archivo-directorio

Sub Camera1_PictureTaken (Data() As Byte)
    Dim filename As String = AuxId & ".jpg"
    Dim dir As String = File.DirRootExternal
    'Dim dir As String = File.DirAssets
    
    camEx.SavePictureToFile(Data, dir, filename)
    camEx.StartPreview 'restart preview
    
    'send a broadcast intent to the media scanner to force it to scan the saved file.
    Dim Phone As Phone
    Dim i As Intent
    i.Initialize("android.intent.action.MEDIA_SCANNER_SCAN_FILE", _
        "file://" & File.Combine(dir, filename))
    Phone.SendBroadcastIntent(i)
    ToastMessageShow("Picture saved." & CRLF  & "File size: " & File.Size(dir, filename), True)
End Sub

Private Sub btnGrabar_Click
    'TOMAR FOTO
    Dim foto As String
    
    Dim filename As String = AuxId & ".jpg"
    Dim dir As String = File.DirRootExternal
    'Dim dir As String = File.DirAssets
    camEx.TakePicture
    'Dim bd As BitmapDrawable
    'bd.Initialize(LoadBitmap(File.DirAssets, AuxId & ".jpg"))
    'bd.Gravity = Gravity.FILL
    'Panel1.Background = bd
    
        
    'ImageView1.Bitmap = LoadBitmapResize(File.DirRootExternal, AuxId & ".png", ImageView1.Width, ImageView1.Height, True)
    ImageView1.Bitmap = LoadBitmapSample(dir, filename, ImageView1.Width, ImageView1.Height)
    ImageView1.Gravity = Gravity.CENTER
    


End Sub