public FenPrincipale() { InitializeComponent(); plugins = new Dictionary<string, PluginInterface>(); PluginLoader pl = new PluginLoader(); ICollection<PluginInterface> items = pl.loadPlugins("Plugins"); foreach (PluginInterface item in items) { plugins.Add(item.Site, item); } foreach (KeyValuePair<string, PluginInterface> item in plugins) { comboBox1.Items.Add(item.Key); } comboBox1.SelectedIndex = 0; }