Yokogawa PC-Based MX100 - Manual (Page 971)

17-237
IM MX190-01E
Functions for the MX100 (Extended API) - Visual C/Visual Basic/Visual Basic.NET/C# -
17
userDOValidMX100
Syntax
int userDOValidMX100(DAQMX100a daqmx100, int idDO, int doNo);
Declaration
Visual Basic
Public Declare Function userDOValidMX100 Lib "DAQMX100"(ByVal
daqmx100 As Long, ByVal idDO As Long, ByVal doNo As Long) As
Long
Visual Basic.NET
Public Declare Ansi Function userDOValidMX100 Lib
"DAQMX100"(ByVal daqmx100 As Integer, ByVal idDO As Integer,
ByVal doNo As Integer) As Integer
C#
[DllImport("DAQMX100.dll" CharSet=CharSet.Auto,
EntryPoint="userDOValidMX100")]
public static extern int userDOValidMX100(int daqmx100, int
idDO, int doNo);
Parameters
daqmx100 Specify the device descriptor.
idDO Specify the DO data identifier.
doNo Specify the DO data number.
Description
Gets valid/invalid of the specified DO data number from the DO data of the specified
DO data identifier as a Boolean value.
• If it does not exist, Invalid is returned.
Return value
Returns a Boolean value.
Reference
CDAQMX100::getClassMXDOList
CDAQMXDOData::getDOValid
CDAQMXDOList::getClassMXDOData
17.2 Details of Function - MX00 (Visual C/Visual Basic/Visual Basic.NET/C#) - Retrieval Functions