private void btnBalance_Click(object sender, RoutedEventArgs e)
 {
     StoreHelper.GetConsumableBalance(this, txtAddOnId.Text);
 }
        private void btnFulfillment_Click(object sender, RoutedEventArgs e)
        {
            var quantity = int.Parse(txtQuantity.Text);

            StoreHelper.ReportFulfillment(this, txtAddOnId.Text, quantity);
        }
 private void btnUserCollection_Click(object sender, RoutedEventArgs e)
 {
     StoreHelper.GetAddonLincenseInformation(this);
 }
 private void btnGetAddOnList_Click(object sender, RoutedEventArgs e)
 {
     StoreHelper.GetAddonListInformation(this);
 }
 private void btnPurchase_Click(object sender, RoutedEventArgs e)
 {
     StoreHelper.AppPurchase(this);
 }
 private void btnQueryAddonLicense_Click(object sender, RoutedEventArgs e)
 {
     StoreHelper.GetDurableAddonLincenseInformation(this);
 }
 private void btnQueryLicense_Click(object sender, RoutedEventArgs e)
 {
     StoreHelper.GetAppLicenseInformation(this);
 }