about ivi drive

[hive]

hello i'm back.now i try to edit this drive,but have some

question.please explain thouse sentence

Ivi_SetAttributeViSession (vi, VI_NULL, IVI_ATTR_IO_SESSION, 0, io));
what's mean is "0"??

and what's those function for?
1. AttrAccumulatedStatus
2. HP662XAAttrFaultMask
3. HP662XAAttrSrqMask

[cld]

These are IVI standard commands, for more information, you may want to search the IVI-CVI.hlp file. This is located at the following path:
C:\VXIpnp\\niivi\help

Chris D
Applications Engineer
National Instruments