WinBioCaptureSampleWithCallback failed. OperationStatus = 0x80004001 - c++

Question

I am trying to read fingerprints and save them using WBF.
I tried the sample code, however, I get an error code back. I am able to use the fingerprint reader to log into windows, but am unable to capture samples from it.
I am running Windows 10 on a Lenovo Yoga system, and VS 2015 Community.
This is what I get when I run my code:
Calling WinBioCaptureSampleWithCallback
Swipe the sensor ...
CaptureSampleCallback executing
Swipe processed - Unit ID: 0
WinBioCaptureSampleWithCallback failed. OperationStatus = 0x80004001
Press any key to exit...
Thank you!
Sample code:
HRESULT CaptureSampleWithCallback(BOOL bCancel)
{
HRESULT hr = S_OK;
WINBIO_SESSION_HANDLE sessionHandle = NULL;
// Connect to the system pool.
hr = WinBioOpenSession(
WINBIO_TYPE_FINGERPRINT, // Service provider
WINBIO_POOL_SYSTEM, // Pool type
WINBIO_FLAG_RAW, // Raw access
NULL, // Array of biometric unit IDs
0, // Count of biometric unit IDs
WINBIO_DB_DEFAULT, // Default database
&sessionHandle // [out] Session handle
);
if (FAILED(hr))
{
wprintf_s(L"\n WinBioOpenSession failed. hr = 0x%x\n", hr);
goto e_Exit;
}
// Capture a biometric sample asynchronously.
wprintf_s(L"\n Calling WinBioCaptureSampleWithCallback ");
hr = WinBioCaptureSampleWithCallback(
sessionHandle, // Open session handle
WINBIO_NO_PURPOSE_AVAILABLE, // Intended use of the sample
WINBIO_DATA_FLAG_RAW, // Sample format
CaptureSampleCallback, // Callback function
NULL // Optional context
);
if (FAILED(hr))
{
wprintf_s(L"\n WinBioCaptureSampleWithCallback failed. ");
wprintf_s(L"hr = 0x%x\n", hr);
goto e_Exit;
}
wprintf_s(L"\n Swipe the sensor ...\n");
// Cancel the capture process if the bCancel flag is set.
if (bCancel)
{
wprintf_s(L"\n Starting CANCEL timer...");
Sleep( 7000 );
wprintf_s(L"\n Calling WinBioCancel\n");
hr = WinBioCancel( sessionHandle );
if (FAILED(hr))
{
wprintf_s(L"\n WinBioCancel failed. hr = 0x%x\n", hr);
goto e_Exit;
}
}
// Wait for the asynchronous capture process to complete
// or be canceled.
hr = WinBioWait( sessionHandle );
if (FAILED(hr))
{
wprintf_s(L"\n WinBioWait failed. hr = 0x%x\n", hr);
}
e_Exit:
if (sessionHandle != NULL)
{
WinBioCloseSession(sessionHandle);
sessionHandle = NULL;
}
wprintf_s(L"\n Press any key to exit...");
_getch();
return hr;
}
//------------------------------------------------------------------------
// The following function is the callback for WinBioCaptureSampleWithCallback.
// The function filters the response from the biometric subsystem and
// writes a result to the console window.
//
VOID CALLBACK CaptureSampleCallback(
__in_opt PVOID CaptureCallbackContext,
__in HRESULT OperationStatus,
__in WINBIO_UNIT_ID UnitId,
__in_bcount(SampleSize) PWINBIO_BIR Sample,
__in SIZE_T SampleSize,
__in WINBIO_REJECT_DETAIL RejectDetail
)
{
UNREFERENCED_PARAMETER(CaptureCallbackContext);
wprintf_s(L"\n CaptureSampleCallback executing");
wprintf_s(L"\n Swipe processed - Unit ID: %d", UnitId);
if (FAILED(OperationStatus))
{
if (OperationStatus == WINBIO_E_BAD_CAPTURE)
{
wprintf_s(L"\n Bad capture; reason: %d\n", RejectDetail);
}
else
{
wprintf_s(L"\n WinBioCaptureSampleWithCallback failed. ");
wprintf_s(L" OperationStatus = 0x%x\n", OperationStatus);
}
goto e_Exit;
}
wprintf_s(L"\n Captured %d bytes.\n", SampleSize);
e_Exit:
if (Sample != NULL)
{
WinBioFree(Sample);
Sample = NULL;
}
}

Answer 1

Have you checked on google or with the SDK documentation what OperationStatus = 0x80004001 translates to? I am thinking you need to stop the windows service for the fingerprint before you embark on trying out the project you are developing on Visual Studio 2015.