Cdaqdatainfo::setvalue, Cdaqdatainfo::todoublevalue, Cdaqdatainfo::tostringvalue – Yokogawa PC-Based MX100 User Manual

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IM MX190-01E

MX100 -Visual C++

2

CDAQDataInfo::setValue

Syntax

virtual void setValue(int value);

Parameters

value

Specify the data value.

Description

Stores the specified value in the data value field of the data member.

CDAQDataInfo::toDoubleValue

Syntax

static double toDoubleValue(int value, int point);

Parameters

value

Specify the data value.

point

Specify the decimal point position.

Description

Generates the measured value from the specified data value and decimal point

position.

Return value

Returns the measured value as a double-precision floating number.

CDAQDataInfo::toStringValue

Syntax

static int toStringValue(int value, int point, char *
strValue, int lenValue);

Parameters

value

Specify the data value.

point

Specify the decimal point position.

strValue

Specify the field where the string is to be stored.

lenValue

Specify the byte size of the field where the string is to be stored.

Description

Generates the measured value from the specified data value and decimal point
position. Converts the generated measured value into a string and stores to the

specified field. The string stored to the field includes the terminator.
The return value is the length of the actual string. The return value does not include

the terminator.

Return value

Returns the length of the string.

Reference

toDoubleValue

2.4 Details of the MX100/DARWIN Common Class

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