public static void LoadVersionsSettings()
            {
                string fullPath   = GlobalSettings.MainDirectory + "\\" + Constants.FILENAME_SETTINGS_VERSIONS;
                string folderPath = fullPath.Substring(0, fullPath.LastIndexOf('\\'));

                if (!Directory.Exists(folderPath))
                {
                    Directory.CreateDirectory(folderPath);

                    SaveVersionsSettings();
                }
                else if (!File.Exists(fullPath))
                {
                    SaveVersionsSettings();
                }
                else if (File.Exists(fullPath))
                {
                    try
                    {
                        using (FileStream fileStream = new FileStream(fullPath, FileMode.Open, FileAccess.Read, FileShare.Read))
                        {
                            using (XmlDictionaryReader dictionaryReader = XmlDictionaryReader.CreateTextReader(fileStream, Encoding.UTF8, new XmlDictionaryReaderQuotas(), null))
                            {
                                xmlVersionsSettings = (RootSettingsVersions)xmlSerializer.ReadObject(dictionaryReader);
                            }
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show(Messages.ERROR_LOAD_SETTINGS_VERSION + ex.Message, Messages.CAPTION_COMMON);
                    }
                }
            }
            private static void CheckDictionaryState()
            {
                if (xmlVersionsSettings == null)
                {
                    xmlVersionsSettings = new RootSettingsVersions();
                }

                if (xmlVersionsSettings.VersionsSettings == null)
                {
                    xmlVersionsSettings.VersionsSettings = new Dictionary <string, VersionSettings>();
                }

                if (!string.IsNullOrWhiteSpace(CurrentVersion) && !xmlVersionsSettings.VersionsSettings.ContainsKey(CurrentVersion))
                {
                    ResetCurrentVersionSettings();
                }
            }
 static VersionsSettings()
 {
     xmlVersionsSettings = new RootSettingsVersions();
     xmlSerializer       = new DataContractSerializer(typeof(RootSettingsVersions));
 }