string profileDir = "UniqueIdentifier"; string directory = Path.Combine(Environment.GetFolderPath(Environment.SpecialFolder.LocalApplicationData), Path.Combine("Geckofx", profileDir)); if (!Directory.Exists(directory)) Directory.CreateDirectory(directory); Gecko.Xpcom.ProfileDirectory = directory;
原文：http://www.cnblogs.com/huangcong/p/5796695.html