Yokogawa PC-Based MX100 User Manual

Page 1178

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24-87

IM MX190-01E

DARWIN for Extended API - Visual C/Visual Basic/Visual Basic.NET/Visual C#

24

dataDoubleValueDA100Reader

Syntax

double dataDoubleValueDA100Reader(DAQDA100READER
daqda100reader, int chType, int chNo);

Declaration

Visual Basic
Public Declare Function dataDoubleValueDA100Reader Lib
"DAQDA100"(ByVal daqda100reader As Long, ByVal chType As Long,
ByVal chNo As Long) As Double
Visual Basic.NET
Public Declare Ansi Function dataDoubleValueDA100Reader Lib
"DAQDA100"(ByVal daqda100reader As Integer, ByVal chType As
Integer, ByVal chNo As Integer) As Double
C#
[DllImport("DAQDA100.dll" CharSet=CharSet.Auto,
EntryPoint="dataDoubleValueDA100Reader"]
public static extern double dataDoubleValueDA100Reader(int
daqda100reader, int chType, int chNo);

Parameters

daqda100Reader

Specify the device descriptor.

chType

Specify the channel type.

chNo

Specify the channel number.

Description

Gets the measured value of the specified channel (channel type and number) from

the stored measured data.
• Returns 0.0 if it does not exist.

Return value

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

Reference

dataDoubleValueDA100

24.4 Details of Instantaneous Value Loading Functions - DARWIN - Status Transition Functions

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