Yokogawa PC-Based MX100 - Manual (Page 888)

17-154
IM MX190-01E
dataNumChMX100
Syntax
int dataNumChMX100(DAQMX100 daqmx100, int chNo);
Declaration
Visual Basic
Public Declare Function dataNumChMX100 Lib "DAQMX100"(ByVal
daqmx100 As Long, ByVal chNo As Long) As Long
Visual Basic.NET
Public Declare Ansi Function dataNumChMX100 Lib
"DAQMX100"(ByVal daqmx100 As Integer, ByVal chNo As Integer)
As Integer
C#
[DllImport("DAQMX100.dll" CharSet=CharSet.Auto,
EntryPoint="dataNumChMX100")]
public static extern int dataNumChMX100(int daqmx100, int
chNo);
Parameters
daqmx100 Specify the device descriptor.
chNo Specify the channel number.
Description
Gets the specified number of remaining data from the current status data of the
specified channel number from among the data that is acquired and stored by a data
retrieval function.
• Returns 0 if it does not exist.
Return value
Returns the remaining number of data.
Reference
CDAQMX100::getClassMXDataBuffer
CDAQMXDataBuffer::getDataNum
17.2 Details of Function - MX00 (Visual C/Visual Basic/Visual Basic.NET/C#) - Retrieval Functions