/// <summary> /// Load current options data. /// </summary> /// <returns></returns> private static XmlOptionsData Load() { XmlOptionsData xmlData = null; Stream stream = null; DateTime xmlFileTime = new DateTime();//used to compare against InstallLanguage.txt try { // Try the real filename first. string xmlFileName = FileName(); if (Storage4.FileExists(xmlFileName, StorageSource.All)) { xmlFileTime = Storage4.GetLastWriteTimeUtc(xmlFileName, StorageSource.All); stream = Storage4.OpenRead(xmlFileName, StorageSource.All); XmlSerializer serializer = new XmlSerializer(typeof(XmlOptionsData)); xmlData = serializer.Deserialize(stream) as XmlOptionsData; } else { // If not there, try the back compat version. xmlFileName = BackCompatFileName(); if (Storage4.FileExists(xmlFileName, StorageSource.All)) { xmlFileTime = Storage4.GetLastWriteTimeUtc(xmlFileName, StorageSource.All); stream = Storage4.OpenRead(xmlFileName, StorageSource.All); XmlSerializer serializer = new XmlSerializer(typeof(XmlOptionsData)); xmlData = serializer.Deserialize(stream) as XmlOptionsData; } } } catch (Exception e) { Debug.WriteLine(e.Message); } if (stream != null) { Storage4.Close(stream); } //Check for override of language. if (xmlData != null && Storage4.FileExists(InstalledLanguageFileName(), StorageSource.All)) { var langFileTime = Storage4.GetLastWriteTimeUtc(InstalledLanguageFileName(), StorageSource.All); //If InstallerLanguage.txt is later than selected language. if (langFileTime > xmlFileTime) { //Update language to match newly installed version. xmlData.langauge = GetInstallerLanguageOrDefault(); Save(); } } return(xmlData); } // end of Load()
/// <summary> /// Load or create the options data. /// </summary> private static void Init() { _instance = Load(); // If not loaded, create a new default. if (_instance == null) { _instance = new XmlOptionsData(); //Set default language from InstallerLanguage file(if any). _instance.langauge = GetInstallerLanguageOrDefault(); //Save new config. Save(); } } // end of Init()