10 opendarwin – Yokogawa PC-Based MX100 User Manual
Page 517
10-19
IM MX190-01E
Functions for the DARWIN - Visual C/Visual Basic -
10
openDARWIN
Syntax
DAQDARWIN openDARWIN(const char * strAddress, int *
errorCode);
Declaration
Public Declare Function openDARWIN Lib "DAQDARWIN"(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 in the return specified destination if one is specified.
• The port number fixed, and set to the communication constant “communication
port number.”
• 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
CDAQDARWIN::open
10.1 Details of Functions - DARWIN (Visual C/Visual Basic) -