12 cdaqmxdatabuffer::getdatanum, Cdaqmxdatabuffer::getdatetime, Cdaqmxdatabuffer::initialize – Yokogawa PC-Based MX100 User Manual
Page 641: Cdaqmxdatabuffer::iscurrent

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IM MX190-01E
MX100 for Exteded API
12
CDAQMXDataBuffer::getDataNum
Syntax
int getDataNum(void);
Description
Gets the number of remaining data from the difference between the number of valid
elements and the current index number.
Return value
Returns the remaining number of data.
CDAQMXDataBuffer::getDateTime
Syntax
CDAQMXDateTime * getDateTime(int index);
Parameters
index
Specify the storage location index number.
cMXDateTime
Specify the time information data.
Description
Gets the time information data of the specified location from the data member.
Returns NULL if it does not exist.
Return value
Returns a pointer to the time information data.
CDAQMXDataBuffer::initialize
Syntax
void initialize(void);
Description
Initializes the data member.
Destructs the storage field for the measured data and time information data.
The field for storing the channel information data is not initialized.
CDAQMXDataBuffer::isCurrent
Syntax
int isCurrent(void);
Description
Checks whether the data in the current location (of the current index number) is
valid.
Return value
Returns a Boolean value.
Reference
currentDataInfo
12.4 Details of the MX100 Class