/// <summary>
/// Performs a discovery of currently connected Fingerprint Scanner devices
/// Use the resulting array of FingerPrintDevice to start operating the devices.
/// </summary>
/// <returns></returns>
public FingerprintDevice[] DiscoverDevices()
{
if (!IsInitialized)
{
Initialize();
}
var result = new List <FingerprintDevice>();
ReleaseDeviceDiscoveryResults();
var dicoveredDevicePtrs = Interop.fp_discover_devs_pointers(out var deviceDiscoveryResultsPtr); // This returns the array of pointrs
DeviceDicoveryResultsPtr = deviceDiscoveryResultsPtr;
foreach (var devicePtr in dicoveredDevicePtrs)
{
var deviceStruct = devicePtr.DereferencePtr <Interop.fp_dscv_dev>();
var driverStruct = Interop.fp_dscv_dev_get_driver_struct(ref deviceStruct);
var managedDevice = new FingerprintDevice
{
DiscoveredDevice = deviceStruct,
DiscoveredDevicePtr = devicePtr,
Driver = driverStruct,
};
result.Add(managedDevice);
}
return(result.ToArray());
}
/// <summary>
/// Performs a discovery of currently connected Fingerprint Scanner devices
/// Use the resulting array of FingerPrintDevice to start operating the devices.
/// </summary>
/// <returns></returns>
public FingerprintDevice[] DiscoverDevices()
{
if (!IsInitialized) this.Initialize();
var result = new List<FingerprintDevice>();
this.ReleaseDeviceDiscoveryResults();
var deviceDiscoveryResultsPtr = IntPtr.Zero; // This will point to an array of pointers
var dicoveredDevicePtrs = Interop.fp_discover_devs_pointers(out deviceDiscoveryResultsPtr); // This returns the array of pointrs
this.DeviceDicoveryResultsPtr = deviceDiscoveryResultsPtr;
foreach (var devicePtr in dicoveredDevicePtrs)
{
var deviceStruct = devicePtr.DereferencePtr<Interop.fp_dscv_dev>();
var driverStruct = Interop.fp_dscv_dev_get_driver_struct(ref deviceStruct);
var managedDevice = new FingerprintDevice();
managedDevice.DiscoveredDevice = deviceStruct;
managedDevice.DiscoveredDevicePtr = devicePtr;
managedDevice.Driver = driverStruct;
result.Add(managedDevice);
}
return result.ToArray();
}
