Specify USB interface number
You configure InterfaceIndex to be the
USB interface number.
The Name and RsrcName properties
are automatically updated to reflect the InterfaceIndex value.
You can configure InterfaceIndex only when
the object is disconnected from the instrument. You disconnect a connected
object with the fclose function.
A disconnected object has a Status property value
of closed.
Usage | VISA-USB |
Read only | While open |
Data type | Double |