/// <summary>
        /// Ouverture d'un document
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        public void OpenDocument(object sender, EventArgs e)
        {
            filechooser.Filter = Buildfilter() + "|All files (*.*)|*.*";
            filechooser.FileName = "";
            DialogResult result = filechooser.ShowDialog();
            if (result != DialogResult.OK)
                return;

            string filename = Path.GetFileNameWithoutExtension(filechooser.FileName);            
                            
            ToolStripMenuItem viewSelected = sender as ToolStripMenuItem;
            IDocumentController controller = FindDocumentController(filename);
            if (controller == null)
            {
                controller = new DocumentController(LoadModel(filechooser.FileName));
                controllers.Add(filename, controller);
            }
            controller.DocumentName = filechooser.FileName;
            Control view = CreateView(viewSelected, controller);
            AddView(view, filename);
        }
        private void filechooser_FileOk(object sender, CancelEventArgs e)
        {
            String extension = Path.GetExtension(filechooser.FileName);
            if (availableSerializers[extension] == null)
            {
                MessageBox.Show("Extension inconnue");
                return;
            }
            //String[] arguments = { filechooser.FileName, extension };
            //Command command = new Command(MCommandType.PerformSaveAs, arguments);
            //ViewInfos.getCurrentViewController().ReceiveCommand(command);

            DocumentModel model = new DocumentModel();
            DocumentController controller = new DocumentController(model, filechooser.FileName + "." + extension);
        }
 /// <summary>
 /// Création d'un document vierge
 /// </summary>
 /// <param name="sender">
 /// Objet à l'origine de l'appel
 /// </param>
 /// <param name="e">
 /// Descripteur correspondant aux paramètres de l'opération
 /// </param>
 public void CreateDocument(object sender, EventArgs e)
 {              
     DocumentModel model = new DocumentModel();
     DocumentController controller = new DocumentController(model);                  
     ToolStripMenuItem viewSelected = sender as ToolStripMenuItem;
     Control view = CreateView(viewSelected, controller);
     AddView(view, "Nouveau");          
 }