This method checks whether or not the scan devices are open.
[Visual Basic] Public Function
IsOpenDataSource() As Boolean
[C#] public bool IsOpenDataSource();
Return Value
Returns True when open. Returns False when not open.
Explanation
The IsOpenDataSource method checks whether or not the scan devices are open. If the OpenDataSource method is executed prior to the IsOpenDataSource method and the scan devices are open then the return value of this method is True.