Return Value
Returns the object contents expressed as readable string.
This method can return null
(Nothing
in Visual Basic).
This method can return null
(Nothing
in Visual Basic).
When the quality is bad, the returned string contains just the timestamp and quality. Otherwise, the returned string contains also the data value, and its type.
This method or property does not throw any exceptions, aside from execution exceptions such as System.Threading.ThreadAbortException or System.OutOfMemoryException.