xDriverGetInformation returns error in 32 bit app on 64 bit system

32 bit test application is executed on Windows 7 x64.
xDriverGetInformation returns CIFX_INVALID_POINTER 0x800A0001 in following code part:

long lRet;
HANDLE hDriver = NULL;
DRIVER_INFORMATION tDriverInfo =

;

lRet = xDriverOpen(&hDriver);
if( lRet == CIFX_NO_ERROR )
{
lRet = xDriverGetInformation(hDriver, sizeof(tDriverInfo), &tDriverInfo);
if( lRet == CIFX_NO_ERROR )
{
...
}
else
{
printf("xDriverGetInformation: ");
ShowError(lRet);
}
...