InitializeComponent();
CultureInfo.DefaultThreadCurrentCulture = CultureInfo.InvariantCulture;
CultureInfo.DefaultThreadCurrentUICulture = CultureInfo.InvariantCulture;
double a = double.Parse("4,7");
double b = double.Parse("4.7", CultureInfo.InvariantCulture);
double c =  double.Parse("4.7");
DataContext = new MainWindowViewModel(this);

CultureInfo.DefaultThreadCurrentCulture = CultureInfo.InvariantCulture;
CultureInfo.DefaultThreadCurrentUICulture = CultureInfo.InvariantCulture;
double a = double.Parse("4,7");
double b = double.Parse("4.7", CultureInfo.InvariantCulture);
double c =  double.Parse("4.7");

CultureInfo.CurrentCulture = CultureInfo.InvariantCulture;
 CultureInfo.CurrentUICulture = CultureInfo.InvariantCulture;

Thread.CurrentThread.CurrentCulture = System.Globalization.CultureInfo.InvariantCulture;
 Thread.CurrentThread.CurrentUICulture = System.Globalization.CultureInfo.InvariantCulture;
 CultureInfo.DefaultThreadCurrentCulture = new CultureInfo("en");
 CultureInfo.DefaultThreadCurrentUICulture = new CultureInfo("en");
 Console.WriteLine($"Current Culture:    {Thread.CurrentThread.CurrentUICulture}");
 Console.WriteLine($"Current UI Culture: {Thread.CurrentThread.CurrentUICulture}");