private async void TestValue()
{
var testN = ++_testN;
if (string.IsNullOrWhiteSpace(Value))
{
IsValueAcceptable = true;
CheckingInProgress = false;
return;
}
CheckingInProgress = true;
InternetConnectionRequired = false;
await Task.Delay(50);
if (testN != _testN)
{
return;
}
var value = await InternalUtils.CheckKeyAsync(Value, CmApiProvider.UserAgent);
if (testN != _testN)
{
return;
}
CheckingInProgress = false;
if (value.HasValue || OptionOfflineMode)
{
IsValueAcceptable = value ?? true;
}
else
{
InternetConnectionRequired = true;
IsValueAcceptable = false;
if (_attemptsCounter == 1)
{
OfflineModeAvailable = true;
}
}
}
