private async void PasswordOkButton_Tapped(object sender, Windows.UI.Xaml.Input.TappedRoutedEventArgs e) { if (!await IsPasswordValid(this.PwdEnterTextBox.Password.Trim(), this.PwdConfirmTextBox.Password.Trim())) { return; } else { secretHelper.WriteSecret("demo", this.PwdEnterTextBox.Password.Trim()); messageDialog.Content = "Password is saved into OS's credentials vault.\nNow you can verify it with the step below."; this.PwdEnterTextBox.Password = string.Empty; this.PwdConfirmTextBox.Password = string.Empty; await messageDialog.ShowAsync(); } }