Yokogawa PC-Based MX100 - Manual (Page 883)

17-149
IM MX190-01E
Functions for the MX100 (Extended API) - Visual C/Visual Basic/Visual Basic.NET/C# -
17
dataDoubleValueMX100
Syntax
double dataDoubleValueMX100(DAQMX100 daqmx100, int chNo);
Declaration
Visual Basic
Public Declare Function dataDoubleValueMX100 Lib
"DAQMX100"(ByVal daqmx100 As Long, ByVal chNo As Long) As
Double
Visual Basic.NET
Public Declare Ansi Function dataDoubleValueMX100 Lib
"DAQMX100"(ByVal daqmx100 As Integer, ByVal chNo As Integer)
As Double
C#
[DllImport("DAQMX100.dll" CharSet=CharSet.Auto,
EntryPoint="dataDoubleValueMX100")]
public static extern double dataDoubleValueMX100(int daqmx100,
int chNo);
Parameters
daqmx100 Specify the device descriptor.
chNo Specify the channel number.
Description
Gets the measured value of the specified channel number from the stored current
measured data.
• Returns 0.0 if it does not exist.
Return value
Returns the measured value as a double-precision floating point number.
Reference
CDAQMX100::getClassMXDataBuffer
CDAQMXDataBuffer::currentDataInfo
CDAQMXDataInfo::getDoubleValue
17.2 Details of Function - MX00 (Visual C/Visual Basic/Visual Basic.NET/C#) - Retrieval Functions