Enumerate opened files

LPWSTR GetObjectName(HANDLE hObject)
{
    LPWSTR lpwsReturn = NULL;
    if(pNTQO != NULL){
        DWORD dwSize = sizeof(OBJECT_NAME_INFORMATION);
        POBJECT_NAME_INFORMATION pObjectInfo = (POBJECT_NAME_INFORMATION) new BYTE[dwSize];
        NTSTATUS ntReturn = pNTQO(hObject, ObjectNameInformation, pObjectInfo, dwSize, &dwSize);
        if(ntReturn == STATUS_BUFFER_OVERFLOW){
               delete pObjectInfo;
               pObjectInfo = (POBJECT_NAME_INFORMATION) new BYTE[dwSize];
               ntReturn = pNTQO(hObject, ObjectNameInformation, pObjectInfo, dwSize, &dwSize);
        }
        if((ntReturn >= STATUS_SUCCESS) && (pObjectInfo->Buffer != NULL))
        {
               lpwsReturn = (LPWSTR) new BYTE[pObjectInfo->Length + sizeof(WCHAR)];
               ZeroMemory(lpwsReturn, pObjectInfo->Length + sizeof(WCHAR));
               CopyMemory(lpwsReturn, pObjectInfo->Buffer, pObjectInfo->Length);
        }
        delete pObjectInfo;
    }
    return lpwsReturn;
}

int main(int argc, char *argv[])
{
    EnableDebugPrivilege();

    pNTQO = (tNTQO)GetProcAddress(GetModuleHandle("NTDLL.DLL"), "NtQueryObject");
    pNTQSI = (tNTQSI)GetProcAddress(GetModuleHandle("NTDLL.DLL"), "NtQuerySystemInformation");

    if(pNTQSI != NULL)
    {
        DWORD dwSize = sizeof(SYSTEM_HANDLE_INFORMATION);
        PSYSTEM_HANDLE_INFORMATION pHandleInfo = (PSYSTEM_HANDLE_INFORMATION) new BYTE[dwSize];
        NTSTATUS ntReturn = pNTQSI(SystemHandleInformation, pHandleInfo, dwSize, &dwSize);
        if(ntReturn == STATUS_INFO_LENGTH_MISMATCH)
        {
               delete pHandleInfo;
               pHandleInfo = (PSYSTEM_HANDLE_INFORMATION) new BYTE[dwSize];
               ntReturn = pNTQSI(SystemHandleInformation, pHandleInfo, dwSize, &dwSize);
        }
        if(ntReturn == STATUS_SUCCESS)
        {
               printf(" Found %d Handles. Listing File Handles...\n\n", pHandleInfo->uCount);
               printf(" PID\tHandle\tObject Type\tObject Name\n");
               for(DWORD dwIdx = 0; dwIdx < pHandleInfo->uCount; dwIdx++)
               {
                  printf("%5d\t%6d\t%ws",
                      pHandleInfo->Handles[dwIdx].uIdProcess,
                      pHandleInfo->Handles[dwIdx].Handle,
                      GetObjectType(pHandleInfo->Handles[dwIdx].ObjectType));

                LPWSTR lpwsName = GetObjectName((HANDLE)pHandleInfo->Handles[dwIdx].Handle);
                  if(lpwsName != NULL)
                {
                    printf("\t%ws", lpwsName);
                      delete lpwsName;
                }

                printf("\n", lpwsName);
               }
               printf("\n\n");
        }
        else
        {
               printf("Error while trying to allocate memory for System Handle Information.\n");
        }
        delete pHandleInfo;
    }
    else
    {
        printf("Cannot find NtQuerySystemInformation API... Is this system not Win2K and above?");
    }

    return 0;
}