ClaimedMagneticStripeReader.BankCardDataReceived 事件

定义

命名空间:

Windows.Devices.PointOfService

轻扫银行卡时发生。

// Register
event_token BankCardDataReceived(TypedEventHandler<ClaimedMagneticStripeReader, MagneticStripeReaderBankCardDataReceivedEventArgs const&> const& handler) const;

// Revoke with event_token
void BankCardDataReceived(event_token const* cookie) const;

// Revoke with event_revoker
ClaimedMagneticStripeReader::BankCardDataReceived_revoker BankCardDataReceived(auto_revoke_t, TypedEventHandler<ClaimedMagneticStripeReader, MagneticStripeReaderBankCardDataReceivedEventArgs const&> const& handler) const;

public event TypedEventHandler<ClaimedMagneticStripeReader,MagneticStripeReaderBankCardDataReceivedEventArgs> BankCardDataReceived;

function onBankCardDataReceived(eventArgs) { /* Your code */ }
claimedMagneticStripeReader.addEventListener("bankcarddatareceived", onBankCardDataReceived);
claimedMagneticStripeReader.removeEventListener("bankcarddatareceived", onBankCardDataReceived);
- or -
claimedMagneticStripeReader.onbankcarddatareceived = onBankCardDataReceived;

Public Custom Event BankCardDataReceived As TypedEventHandler(Of ClaimedMagneticStripeReader, MagneticStripeReaderBankCardDataReceivedEventArgs) 

事件类型

TypedEventHandler<ClaimedMagneticStripeReader,MagneticStripeReaderBankCardDataReceivedEventArgs>

示例

以下示例演示如何设置磁条读取器以在扫描事件后接收数据。

void Scenario1::ScenarioStartReadButton_Click(Platform::Object^ sender, Windows::UI::Xaml::RoutedEventArgs^ e)
{
    create_task(CreateDefaultReaderObject()).then([this](void)
    {
        if (_reader != nullptr)
        {
            // Claim the magnetic stripe reader for exclusive use by your application.
            create_task(ClaimReader()).then([this](void)
            {
                if (_claimedReader)
                {
                    // Add a release device requested event handler. If this event is not handled,  
                    // another app can claim the magnetic stripe reader.
                    _releaseDeviceRequestedToken = _claimedReader->ReleaseDeviceRequested::add(ref new EventHandler<ClaimedMagneticStripeReader^>(this, &Scenario1::OnReleaseDeviceRequested));

                    // Add a data receive event handler.
                    _bankCardDataReceivedToken =  _claimedReader->BankCardDataReceived::add(ref new TypedEventHandler<ClaimedMagneticStripeReader^, MagneticStripeReaderBankCardDataReceivedEventArgs^>(this, &Scenario1::OnBankCardDataReceived));
                    UpdateReaderStatusTextBlock("Attached the BankCardDataReceived event handler..");

                    // Set the app to decode the raw data from the magnetic stripe reader.
                    _claimedReader->IsDecodeDataEnabled = true;

                    // Enable the magnetic stripe reader.
                    create_task(EnableReader()).then([this](void)
                    {
                        UpdateReaderStatusTextBlock("Ready to Swipe..");

                        // Reset the button state
                        ScenarioEndReadButton->IsEnabled = true;
                        ScenarioStartReadButton->IsEnabled = false;

                    });
                }
            });
        }
    });
}

private async void ScenarioStartReadButton_Click(object sender, RoutedEventArgs e)
{
    if (await CreateDefaultMagneticStripeReaderObject())
    {
        if (_reader != null)
        {
            // Claim the reader for exclusive use by your application.
            if (await ClaimReader())
            {
                if (_claimedReader != null)
                {
                    /// Add a release device requested event handler. If this event is not handled,  
                    // another app can claim the magnetic stripe reader.
                    _claimedReader.ReleaseDeviceRequested += OnReleaseDeviceRequested;

                    // Add a data receive event handler.
                    _claimedReader.BankCardDataReceived += OnBankCardDataReceived;
                    UpdateReaderStatusTextBlock("Attached the BankCardDataReceived Event handler..");

                    // Set the app to decode the raw data from the magnetic stripe reader.
                    _claimedReader.IsDecodeDataEnabled = true;

                    // Enable the magnetic stripe reader.
                    if (await EnableReader())
                    {
                        UpdateReaderStatusTextBlock("Ready to Swipe..");

                        // Reset the button state
                        ScenarioEndReadButton.IsEnabled = true;
                        ScenarioStartReadButton.IsEnabled = false;
                    }
                }
            }
        }
    }
}

void Scenario1::OnBankCardDataReceived(Windows::Devices::PointOfService::ClaimedMagneticStripeReader^sender, Windows::Devices::PointOfService::MagneticStripeReaderBankCardDataReceivedEventArgs^args)
{
    // Read the data and display
    Dispatcher->RunAsync(CoreDispatcherPriority::Normal, ref new DispatchedHandler( 
        [this,args]() 
    {
        ScenarioOutputAccountNumber->Text = args->AccountNumber;
        ScenarioOutputExpirationDate->Text = args->ExpirationDate;
        ScenarioOutputFirstName->Text = args->FirstName;
        ScenarioOutputMiddleInitial->Text = args->MiddleInitial;
        ScenarioOutputServiceCode->Text = args->ServiceCode;
        ScenarioOutputSuffix->Text = args->Suffix;
        ScenarioOutputSurname->Text = args->Surname;
        ScenarioOutputTitle->Text = args->Title;
    }));

}

async void OnBankCardDataReceived(object sender, MagneticStripeReaderBankCardDataReceivedEventArgs args)
{
    // Read the data and display
    await Dispatcher.RunAsync(Windows.UI.Core.CoreDispatcherPriority.Normal, () =>
    {
        ScenarioOutputAccountNumber.Text = args.AccountNumber;
        ScenarioOutputExpirationDate.Text = args.ExpirationDate;
        ScenarioOutputFirstName.Text = args.FirstName;
        ScenarioOutputMiddleInitial.Text = args.MiddleInitial;
        ScenarioOutputServiceCode.Text = args.ServiceCode;
        ScenarioOutputSuffix.Text = args.Suffix;
        ScenarioOutputSurname.Text = args.Surname;
        ScenarioOutputTitle.Text = args.Title;
    });

}

注解

应用程序可以注册此事件处理程序，以便在每次通过磁条读取器轻扫银行卡时获取银行卡数据。

另请参阅

• 磁条读取器示例 (Windows 10)