public MainWindow()
{
InitializeComponent();
var sp = new StringProvider();
ViewModel = new MainWindowViewModel();
ViewModel.Greeting = string.Concat(sp.GetGreeting(), " ", sp.GetConference(), sp.GetPunctuation());
this.DataContext = ViewModel;
this.StringEncoder = new StringUtilities(EncodingFormats.ASCII);
this.CertificateStore = new Dictionary <string, Certificate>();
}