Yokogawa PC-Based MX100 - Manual (Page 293)

5-35
IM MX190-01E
Functions for the MX100 (Visual C/Visual Basic)
5
isDataNoVBMX
Syntax
int isDataNoVBMX(MXDataNo * dataNo);
Declaration
Public Declare Function isDataNoVBMX Lib "DAQMX"(ByRef dataNo
As MXDataNo) As Long
Parameters
dataNo Specify the data number.
Description
Checks whether the specified data number is a valid number.
• Except for reference specification, the data number specification is the same as
the isDataNoMX function.
• In Visual C, if NULL is specified for a data number, Invalid is returned.
Return value
Returns a boolean value.
Reference
isDataNoMX
5.1 Details of Functions - MX100 (Visual C/Visual Basic) -