Hi,
You can use the following code to detect whether in-app purchase process succeeded or failed:
function buyFeature1() {
if (!licenseInformation.productLicenses.lookup("featureName").isActive)
{
// The customer doesn't own this feature, so
// show the purchase dialog.
// note: currentApp is a reference to CurrentAppSimulator from a previous declaration
currentApp.requestProductPurchaseAsync("featureName", false).then(
function () {
//Check the license state to determine if the in-app purchase was successful.
},
function () {
// The in-app purchase was not completed because
// there was an error.
});
}
else
{
// The customer already owns this feature.
}
}
And the licenseInformation.productLicenses.lookup("featureName").isActive can
determine whether the in-app purchase was successfull or not.
Please refer to the document below to get more information:
http://msdn.microsoft.com/en-us/library/windows/apps/hh694067.aspx
Best Wishes!
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