private async void ShowLoggingInDialog(LoginDialogData loginData) {
MainWindow MainWindow = App.Kernel.Get<MainWindow>();
MetroDialogSettings settings = new MetroDialogSettings() {
ColorScheme = MetroDialogColorScheme.Accented,
NegativeButtonText = LanguageManager.Model.CancelButton
};
controller = await MainWindow.ShowProgressAsync(LanguageManager.Model.LoginLogIn, String.Empty, true, settings);
Login(loginData.Username, loginData.Password, false);
}