Yokogawa PC-Based MX100 - Manual (Page 664)

12-100
IM MX190-01E
CDAQMXList::isData
Syntax
int isData(int idxNo);
Parameters
idxNo Specify the data identifier.
Description
Checks whether the data of the specified data identifier exists in the list.
If it exists, Valid is returned. Otherwise, returns Invalid.
Return value
Returns a Boolean value.
12.4 Details of the MX100 Class