read
Reads the value of the descriptor.
Return
The value of the descriptor.
Throws
if the operation failed.
if the descriptor has been invalidated due to disconnection of service change event.
if the implementation fails, see cause for a reason.
Reads the value of the descriptor.
The value of the descriptor.
if the operation failed.
if the descriptor has been invalidated due to disconnection of service change event.
if the implementation fails, see cause for a reason.