Yes, you would need to send scsi-3 command using win32/win64 DeviceIoControl() function with scsi pass through code. That requires the ntddk.h header file from the ddk.
You need to send READ DVD STRUCTURE (from MMC2 doc), or later renamed to READ DISC STRUCTURE (since MMC5 doc). Unfortunately the draft versions of these documents were removed for public access from their webpage:
There isn’t a command to let you read the lead-in zone raw (as in sectors), but the mentioned command using different parameters will give you various info from the lead-in zone.