MagneticStripeReader.GetDefaultAsync Method

Definition

Namespace:

Windows.Devices.PointOfService

Returns the first magnetic stripe reader found.

public:
 static IAsyncOperation<MagneticStripeReader ^> ^ GetDefaultAsync();

/// [Windows.Foundation.Metadata.RemoteAsync]
 static IAsyncOperation<MagneticStripeReader> GetDefaultAsync();

[Windows.Foundation.Metadata.RemoteAsync]
public static IAsyncOperation<MagneticStripeReader> GetDefaultAsync();

function getDefaultAsync()

Public Shared Function GetDefaultAsync () As IAsyncOperation(Of MagneticStripeReader)

Returns

IAsyncOperation<MagneticStripeReader>

The first magnetic stripe reader found. Returns a null object in the following cases:

• A device is not found.
• Access denied to the existing device. The user can deny access to a device, which is not treated as an exception.

Attributes

RemoteAsyncAttribute

Examples

// Creates the magnetic stripe reader.
task<void> Scenario1::CreateDefaultReaderObject()
{
    return create_task(MagneticStripeReader::GetDefaultAsync()).then([this] (MagneticStripeReader^ reader)
    {
        _reader = reader;
        if (_reader != nullptr)
        {			
            // UpdateReaderStatusTextBlock("Magnetic stripe reader created.");
            // UpdateReaderStatusTextBlock("Device Id is:" + _reader->DeviceId);
        }
        else
        {
            // UpdateReaderStatusTextBlock("Magnetic stripe reader not found. Connect a magnetic stripe reader.");
        }
    });

}

//Creates a magnetic stripe reader.

private async Task<bool> CreateDefaultMagneticStripeReaderObject()
{
    if (_reader == null)
    {
        
        _reader = await MagneticStripeReader.GetDefaultAsync();

        if (_reader != null)
        {
            // UpdateReaderStatusTextBlock("Magnetic stripe reader created.");
            // UpdateReaderStatusTextBlock("Device Id is:" + _reader.DeviceId);
        }
        else
        {
            // UpdateReaderStatusTextBlock("Magnetic stripe reader not found. Connect a magnetic stripe reader.");
            return false;
        }
    }
    return true;
}

See also

• Magnetic stripe reader sample (Windows 10)