private void DoubleClick(object sender, MouseButtonEventArgs e)
        {
            System.Windows.Controls.Button sp = sender as System.Windows.Controls.Button;
            Picture     pic    = sp.DataContext as Picture;
            ExtraWindow window = new ExtraWindow(pic, PluginsManager.Instance._plugins);

            window.Show();
        }
        private void OpenImageEvent(object sender, RoutedEventArgs e)
        {
            Stream myStream = null;

            System.Windows.Forms.OpenFileDialog openFileDialog1 = new OpenFileDialog();

            openFileDialog1.Filter = "Image files (*.gif;*.jpg; *.png)|*.gif;*.jpg;*.png | All files (*.*) | *.*";
            openFileDialog1.Title  = "Open an image file";

            openFileDialog1.ShowDialog();
            try
            {
                string ext = System.IO.Path.GetExtension(openFileDialog1.FileName);
                if (ext != ".jpg" && ext != ".gif" && ext != ".png")
                {
                    System.Windows.MessageBox.Show("Error: Could not open file.");
                    return;
                }
                if ((myStream = openFileDialog1.OpenFile()) != null)
                {
                    BitmapImage bitmap  = new BitmapImage(new Uri(openFileDialog1.FileName));
                    Picture     picture = new Picture
                    {
                        image        = bitmap,
                        name         = openFileDialog1.SafeFileName,
                        creationDate = File.GetCreationTime(openFileDialog1.FileName).ToString(),
                        height       = bitmap.PixelHeight,
                        width        = bitmap.PixelWidth
                    };
                    ExtraWindow window = new ExtraWindow(picture, PluginsManager.Instance._plugins);
                    window.Show();
                }
            }
            catch (Exception ex)
            {
                System.Windows.MessageBox.Show("Error: Could not read file. Original error: " + ex.Message);
            }
        }