private void CmdFolderAdd(object sender, ExecutedRoutedEventArgs e) { FolderBrowserDialog dir = new FolderBrowserDialog(); if (dir.ShowDialog() == DialogResult.OK) { var path = $"{dir.SelectedPath}{(dir.SelectedPath.EndsWith("\\") ? string.Empty : "\\")}"; if (!Paths.Contains(path)) { Paths.Add(path); LoadFolders(); } } }