Command DevSerReadLine :

read a string from the serialline device in mode line (up to
and including the character specified by the NewLine property

DevSerReadLine Definition
Input Argument	Tango::DEV_VOID	no argin
Output Argument	Tango::DEV_STRING	pointer to the string read updated
DisplayLevel	OPERATOR	..
Inherited	false	..
Abstract	false	..
Polling Period	Not polled	..
Command allowed for	All states	..