Yokogawa PC-Based MX100 - Manual (Page 294)

5-36
IM MX190-01E
openMX
Syntax
DAQMX openMX(const char * strAddress, int * errorCode);
Declaration
Public Declare Function openMX Lib "DAQMX"(ByVal strAddress As
String, ByRef errorCode As Long) As Long
Parameters
strAddress Specify the IP address as a string.
errorCode Specify the destination where the error number is to be returned.
Description
Connects to the device with the IP address specified by the parameters.
• Creates a device descriptor and returns the value as a return value.
• Stores the error number if the return destination is specified.
• If unsuccessful, returns NULL in Visual C or 0 in Visual Basic.
Return value
Returns the device descriptor.
Error:
Creating descriptor is failure Failed to create the device descriptor.
Reference
CDAQMX::open
5.1 Details of Functions - MX100 (Visual C/Visual Basic) -