What is wrong with what I did below. the current directory has 149 files. I change directories to one I know has 0 file and I still get 149 files for the count.
var explorer = $find("RadFileExplorer1");
var treeDir = explorer.get_tree().get_selectedNode();
var currentDir = explorer.getFileExplorerItemFromNode(treeDir).get_path(); // explorer.get_currentDirectory();
explorer.set_currentDirectory(currentDir, 0);
explorer.clearFolderCache();
var filesCnt = explorer.get_fileList().get_items().length;