private string GetArchivedFilePath(string archiveFilePath, string archiveExtension) { StringBuilder archivedFilePath = new StringBuilder(archiveFilePath); archivedFilePath.Remove(0, archiveFilePath.LastIndexOf("\\") + 1); archivedFilePath.Replace(archiveExtension, string.Empty); archivedFilePath.Append(string.Format(".{0}", _fileType.GetExtension())); return(archivedFilePath.ToString()); }