Cdaqdatainfo::getclasschinfo, Cdaqdatainfo::getdoublevalue – Yokogawa PC-Based MX100 User Manual
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2-20
IM MX190-01E
Member Functions (Alphabetical Order)
CDAQDataInfo::CDAQDataInfo
Syntax
CDAQDataInfo(int value = 0, CDAQChInfo * pcChInfo = NULL);
virtual ~CDAQDataInfo(void);
Parameters
value
Specify the data value.
pcChInfo
Specify the association with the channel information data.
Description
Constructs or destructs an object.
When constructing, the data member is set to the specified value.
When destructing, the associated channel information data is not deleted.
Reference
setClassChInfo setValue
CDAQDataInfo::getClassChInfo
Syntax
CDAQChInfo * getClassChInfo(void);
Description
Gets the value of the field associated with the channel information data of the data
member. Returns NULL if the value is not specified.
Return value
Returns the association with the channel information data.
CDAQDataInfo::getDoubleValue
Syntax
double getDoubleValue(void);
Description
Generates the measured value from the data value of the data member and the
decimal point position associated with the channel information data.
If there is no association with the channel information data, the decimal point
position is 0.
Return value
Returns the measured value as a double-precision floating number.
Reference
getClassChInfo getValue toDoubleValue
CDAQChInfo::getPoint
2.4 Details of the MX100/DARWIN Common Class