pbgroup sysGroup = m_pSession->GetSystemGroup();
pbclass cls = m_pSession->FindClass(sysGroup, (LPCTSTR)_TEXT("SystemFunctions"));
if (cls == NULL) {
   ci->returnValue->SetString(_T("Class is NULL"));
}
else {
   LPCTSTR f_name = _T("halt");
   LPCTSTR signature = _T(""); /* ? */
   /* так не работает */
   //pbmethodID mid = m_pSession->FindMatchingFunction(cls, f_name, PBRT_FUNCTION, signature);
   /* и так тоже не работает */
   pbmethodID mid = m_pSession->GetMethodID(cls, f_name, PBRT_FUNCTION, signature);
   if (mid == kUndefinedMethodID) {
	ci->returnValue->SetString(_T("UndefinedMethodID Halt"));
   }
   else {
       ... /* сюда уже не доходит */
   }
}

/* в РВ так работает */
lul_hDisk = CreateFile( "\\.\c:", 0, FILE_SHARE_READ_OR_WRITE, 0, OPEN_EXISTING, 0, 0)
/* а так нет */
lul_hDisk = CreateFile( "\\.\PhysicalDrive0", 0, FILE_SHARE_READ_OR_WRITE, 0, OPEN_EXISTING, 0, 0)

/* в PBNI так работает */
CreateFile(L"\\\\.\\PhysicalDrive0", 0, FILE_SHARE_READ | FILE_SHARE_WRITE,
					NULL, OPEN_EXISTING, 0, NULL);
/* а так нет */
CreateFile(L"\\.\c:", 0, FILE_SHARE_READ | FILE_SHARE_WRITE,
					NULL, OPEN_EXISTING, 0, NULL);

// Set the input data structure
STORAGE_PROPERTY_QUERY storagePropertyQuery;
ZeroMemory(&storagePropertyQuery, sizeof(STORAGE_PROPERTY_QUERY));
storagePropertyQuery.PropertyId = StorageDeviceProperty;  //=0
storagePropertyQuery.QueryType = PropertyStandardQuery; //=0

// Get the necessary output buffer size
STORAGE_DESCRIPTOR_HEADER storageDescriptorHeader = { 0 };
DWORD dwBytesReturned = 0;
if (!::DeviceIoControl(hDevice, IOCTL_STORAGE_QUERY_PROPERTY,
	&storagePropertyQuery, sizeof(STORAGE_PROPERTY_QUERY),
	&storageDescriptorHeader, sizeof(STORAGE_DESCRIPTOR_HEADER),
	&dwBytesReturned, NULL))
{
	dwRet = ::GetLastError();
	::CloseHandle(hDevice);
	return dwRet;
}

nvo_sizeof	uo_sizeof
	
STORAGE_PROPERTY_QUERY query
query.PropertyId = StorageDeviceProperty
query.QueryType = PropertyStandardQuery
lul_lpInBuffer = uo_sizeof.sizeof(query)
	
STORAGE_DESCRIPTOR_HEADER storageDescriptorHeader
lul_lpOutBuffer = uo_sizeof.sizeof(storageDescriptorHeader)
lul_lpBytesReturned = 0

If DeviceIoControl( lul_hDisk, IOCTL_STORAGE_QUERY_PROPERTY,
	query, lul_lpInBuffer, storageDescriptorHeader,
	lul_lpOutBuffer, lul_lpBytesReturned, 0) = 0 Then
	Messagebox("STORAGE_QUERY_PROPERTY", "INVALID_HANDLE_VALUE")
Else
	Messagebox("STORAGE_QUERY_PROPERTY", "OK")
End If
/*
Function boolean DeviceIoControl ( &
	ulong hDevice,&
	ulong dwIoControlCode,&
	Structure lpInBuffer,&
	ulong nInBufferSize,&
	ref Structure lpOutBuffer,&
	ulong nOutBufferSize,&
	ref ulong lpBytesReturned,&
	ulong lpOverlapped &
	) LIBRARY "kernel32.dll"
*/