private void Window_Loaded(object sender, RoutedEventArgs e) { treeViewMachinesAndTasksHandler = new TreeViewHandler(treeView); listViewBrowseImagesHandler = new ListViewBrowseImagesHandler(listView, treeViewMachinesAndTasksHandler); listViewBrowseImagesHandler.LoadTreeViewImages(path); listViewBrowseImagesHandler.Refresh(); }