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Yokogawa PC-Based MX100 User Manual

Page 949

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17-215

IM MX190-01E

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

17

toItemNameMX100

Syntax

int toItemNameMX100(int itemNo, char * strItem, int lenItem);

Declaration

Visual Basic
Public Declare Function toItemNameMX100 Lib "DAQMX100"(ByVal
itemNo As Long, ByVal strItem As String, ByVal lenItem As
Long) As Long
Visual Basic.NET
Public Declare Ansi Function toItemNameMX100 Lib
"DAQMX100"(ByVal itemNo As Integer, ByVal strItem As String,
ByVal lenItem As Integer) As Integer
C#
[DllImport("DAQMX100.dll" CharSet=CharSet.Auto,
EntryPoint="toItemNameMX100")]
public static extern int toItemNameMX100(int itemNo, byte[]
strItem, int lenItem);

Parameters

itemNo

Specify the setup item number.

strItem

Specify the field where the string is to be stored.

lenItem

Specify the byte size of the field where the string is to be stored.

Description

Stores the name string corresponding to the specified setup item number to the
specified field.

• The string stored in the field includes the terminator (NULL).
• The return value is the length of the actual string. The return value does not

include the terminator.

• Returns 0 if it does not exist.

• The strings that can be stored are, in general, ASCII strings.

Return value

Returns the length of the string.

Reference

CDAQMXItemConfig::toItemName

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