Datadoublevalueda100 – Yokogawa PC-Based MX100 User Manual
Page 1136

24-45
IM MX190-01E
DARWIN for Extended API - Visual C/Visual Basic/Visual Basic.NET/Visual C# -
24
dataDoubleValueDA100
Syntax
double dataDoubleValueDA100(DAQDA100 daqda100, int chType, int
chNo);
Declaration
Visual Basic
Public Declare Function dataDoubleValueDA100 Lib
"DAQDA100"(ByVal daqda100 As Long, ByVal chType As Long, ByVal
chNo As Long) As Double
Visual Basic.NET
Public Declare Ansi Function dataDoubleValueDA100 Lib
"DAQDA100"(ByVal daqda100 As Integer, ByVal chType As Integer,
ByVal chNo As Integer) As Double
C#
[DllImport("DAQDA100.dll" CharSet=CharSet.Auto,
EntryPoint="dataDoubleValueDA100")]
public static extern double dataDoubleValueDA100(int daqda100,
int chType, int chNo);
Parameters
daqda100
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
CDAQDA100::getClassDataBuffer
CDAQDARWINDataBuffer::getClassDARWINDataInfo
CDAQDARWINDataInfo::getDoubleValue
24.2 Details of Functions - DARWIN (Visual C/Visual Basic/Visual Basic.NET/C#) - Retrieval Functions