Yokogawa PC-Based MX100 - Manual (Page 871)

17-137
IM MX190-01E
Functions for the MX100 (Extended API) - Visual C/Visual Basic/Visual Basic.NET/C# -
17
channelValidMX100
Syntax
int channelValidMX100(DAQMX100 daqmx100, int chNo);
Declaration
Visual Basic
Public Declare Function channelValidMX100 Lib "DAQMX100"(ByVal
daqmx100 As Long, ByVal chNo As Long) As Long
Visual Basic.NET
Public Declare Ansi Function channelValidMX100 Lib
"DAQMX100"(ByVal daqmx100 As Integer, ByVal chNo As Integer)
As Integer
C#
[DllImport("DAQMX100.dll" CharSet=CharSet.Auto,
EntryPoint="channelValidMX100")]
public static extern int channelValidMX100(int daqmx100, int
chNo);
Parameters
daqmx100 Specify the device descriptor.
chNo Specify the channel number.
Description
Gets the channel status of the specified channel number from the stored current
channel setting data as a Boolean.
• If it does not exist, Invalid is returned.
Return value
Returns a Boolean value.
Reference
CDAQMX100::getClassMXItemConfig
CDAQMXChConfig::isValid
CDAQMXItemConfig::getClassMXChConfig
17.2 Details of Function - MX00 (Visual C/Visual Basic/Visual Basic.NET/C#) - Retrieval Functions