{

std::wstring errorMsg(_T(""));

// Get the error message, if any.

// If both error codes (passed error n GetLastError) are 0, then return empty

if (errorCode == 0)

errorCode = GetLastError();

if (errorCode == 0)

return errorMsg; //No error message has been recorded

LPWSTR messageBuffer = nullptr;

FormatMessageW(FORMAT_MESSAGE_ALLOCATE_BUFFER | FORMAT_MESSAGE_FROM_SYSTEM | FORMAT_MESSAGE_IGNORE_INSERTS,

nullptr, errorCode, MAKELANGID(LANG_NEUTRAL, SUBLANG_DEFAULT), (LPWSTR)&messageBuffer, 0, nullptr);

errorMsg += messageBuffer;

//Free the buffer.

LocalFree(messageBuffer);

return errorMsg;

}