public MainForm(Donnees dnn) { //association au modèle donnees = dnn; donnees.AddObserver(this); //Initialisation des composants InitializeComponent(); listPictures.View = View.LargeIcon; listPictures.LargeImageList = listPhotos; //Instanciatons des File et Browser Dialogs openFileDialog = new OpenFileDialog(); this.openFileDialog.Filter = "Image files | *.jpg; *.jpeg;"; this.openFileDialog.Multiselect = true; this.openFileDialog.Title = "Selection d'image à importer"; }