public static void Save() { if (Default == null || BaseDirectory.IsNullOrEmpty()) { return; } if (!Directory.Exists(BaseDirectory)) { Directory.CreateDirectory(BaseDirectory); } if (!Default.Password.IsNullOrEmpty()) { Default.Password = Convert.ToBase64String(Encoding.ASCII.GetBytes(Default.Password)); } try { // 設定をバックアップ File.Copy(Path.Combine(BaseDirectory, @"Preference.xml"), Path.Combine(BaseDirectory, @"Preference_backup.xml"), true); } catch { } using (var stream = File.Open(Path.Combine(BaseDirectory, @"Preference.xml"), FileMode.Create, FileAccess.Write, FileShare.None)) { Serializer <Settings> .Serialize(stream, Default); } }