private void BtnEye_Click(object sender, RoutedEventArgs e)
        {
            btnClickedState = LastClickState.BtnEyeClicked;
            var credentialMgr = CredentialManager.GetInstance();

            if (credentialMgr.IsChanllengeMet)
            {
                if (this.password.Visibility == Windows.UI.Xaml.Visibility.Visible)
                {
                    this.txtPassword.Visibility = Windows.UI.Xaml.Visibility.Visible;
                    this.password.Visibility    = Windows.UI.Xaml.Visibility.Collapsed;
                    this.txtPassword.Text       = this.password.Password;
                }
                else
                {
                    this.txtPassword.Visibility = Windows.UI.Xaml.Visibility.Collapsed;
                    this.password.Visibility    = Windows.UI.Xaml.Visibility.Visible;
                    this.password.Password      = txtPassword.Text;
                }
            }
            else
            {
                // show verify pin popup
                this.VerifyPinPopUP.Visibility = Windows.UI.Xaml.Visibility.Visible;
            }
        }
 private void BtnEditVewCredential_Click(object sender, RoutedEventArgs e)
 {
     btnClickedState             = LastClickState.EditClicked;
     this.UserName.IsReadOnly    = false;
     this.password.IsEnabled     = true;
     this.txtPassword.IsReadOnly = false;
     this.BtnAdd.Visibility      = Windows.UI.Xaml.Visibility.Visible;
     this.BtnEdit.Visibility     = Windows.UI.Xaml.Visibility.Collapsed;
 }
        private void BtnDelete_Click(object sender, RoutedEventArgs e)
        {
            btnClickedState = LastClickState.DeleteClicked;
            var credentialMgr = CredentialManager.GetInstance();

            if (credentialMgr.RemoveCredential(browserurl))
            {
                bcredentialPresent     = false;
                this.password.Password = string.Empty;
                this.UserName.Text     = string.Empty;
                SetVisibility();
            }
        }
        private void BtnAddVewCredential_Click(object sender, RoutedEventArgs e)
        {
            btnClickedState = LastClickState.AddClicked;
            var credentialMgr = CredentialManager.GetInstance();

            if (credentialMgr.AddCredential(browserurl, UserName.Text.Trim(), password.Password))
            {
                this.UserName.IsReadOnly    = true;
                this.password.IsEnabled     = false;
                this.txtPassword.IsReadOnly = true;
                bcredentialPresent          = true;
                SetVisibility();
                this.BtnAdd.Visibility  = Windows.UI.Xaml.Visibility.Collapsed;
                this.BtnEdit.Visibility = Windows.UI.Xaml.Visibility.Visible;
            }
        }