void _Timer_Elapsed(object sender, ElapsedEventArgs e)

        {

            this.image.Dispatcher.Invoke(

                   new Action(

                        delegate

                        {

                            if (_CurrentIndex == _ImageFiles.Length - )

                            {

                                _CurrentIndex = ;

                            }

                            else

                            {

                                _CurrentIndex++;

                            }

                            _CurrentImage = _ImageFiles[_CurrentIndex];

                            BitmapImage imgSource = new BitmapImage();

                            imgSource.BeginInit();

                            imgSource.UriSource = new Uri(_CurrentImage);

                            imgSource.EndInit();

                            image.Source = imgSource;

                        }

                   )

             );

        }