private Native.Error handleResult(Mpos mpos, TaskCompletionSource <PaymentResult> source, int err)
{
if (err != 0)
{
var result = new PaymentResult();
result.BuildErrored(err);
source.SetResult(result);
mpos.OnPaymentProcessed(null, err);
return(Native.Error.Ok);
}
mpos.HandlePaymentCallback(err, info).ContinueWith(t =>
{
if (t.Status == TaskStatus.Faulted)
{
source.SetException(t.Exception);
}
else
{
source.SetResult(t.Result);
}
mpos.OnPaymentProcessed(t.Result, err);
});
return(Native.Error.Ok);
}