Yokogawa PC-Based MX100 - Manual (Page 215)

2-192
IM MX190-01E
CDAQMXStatus::isBackup
Syntax
int isBackup(void);
Description
Gets the presence/absence of backup from the status data field of the data member.
Return value
Returns a Boolean value.
CDAQMXStatus::isDataNo
Syntax
static int isDataNo(MXDataNo dataNo);
Parameters
dataNo Specify the data number.
Description
Checks whether the specified data number is a valid number.
Returns “Valid” if the data number is 0 or greater.
Return value
Returns a Boolean value.
CDAQMXStatus::isObject
Syntax
virtual int isObject(const char * classname = "CDAQMXStatus");
Parameters
classname Specify the class name using a string.
Description
Checks whether the specified class name was inherited.
If parameters are omitted, checks whether it is this class.
Classes that inherit this class must be overridden in order to check their own
classes.
Returns true (valid) if the class was inherited. Otherwise, returns false (invalid).
Return value
Returns a Boolean value.
2.5 Details of the MX100 Class