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Yokogawa PC-Based MX100 User Manual

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17-155

IM MX190-01E

Functions for the MX100 (Extended API) - Visual C/Visual Basic/Visual Basic.NET/C# -

17

dataNumFIFOMX100

Syntax

int dataNumFIFOMX100(DAQMX100 daqmx100, int fifoNo);

Declaration

Visual Basic
Public Declare Function dataNumFIFOMX100 Lib "DAQMX100"(ByVal
daqmx100 As Long, ByVal fifoNo As Long) As Long
Visual Basic.NET
Public Declare Ansi Function dataNumFIFOMX100 Lib
"DAQMX100"(ByVal daqmx100 As Integer, ByVal fifoNo As Integer)
As Integer
C#
[DllImport("DAQMX100.dll" CharSet=CharSet.Auto,
EntryPoint="dataNumFIFOMX100")]
public static extern int dataNumFIFOMX100(int daqmx100, int
fifoNo);

Parameters

daqmx100

Specify the device descriptor.

fifoNo

Specify the FIFO number.

Description

Gets the specified number of remaining data from the current status data of the

specified FIFO number from among the data that is acquired and stored by a data
retrieval function.

• Returns the minimum value of the channels in the FIFO.
• Returns 0 if it does not exist.

Return value

Returns the remaining number of data.

Reference

CDAQMX100::getDataNum

17.2 Details of Function - MX00 (Visual C/Visual Basic/Visual Basic.NET/C#) - Retrieval Functions