//Gestion des boutons
private void ButtonAddAlbum_Click(object sender, EventArgs e)
{
if (donnees.PathFolderIsEmpty() || donnees.listeAlbums.Contains(new Album(this.nameNewAlbum.Text)))
{
return;
}
donnees.CreateAlbum(this.nameNewAlbum.Text);
UpdateAlbumsField();
}