[AccessD] More on vbCr, vbLf, VbNewLine, and vbCrLf

Jim Lawrence accessd at shaw.ca
Tue Dec 12 14:33:59 CST 2006


Only 40! You're nothing but a mire youngster.

Jim 

-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of DJK(John)
Robinson
Sent: Tuesday, December 12, 2006 10:29 AM
To: 'Access Developers discussion and problem solving'
Subject: Re: [AccessD] More on vbCr, vbLf, VbNewLine, and vbCrLf

Nostalgia time (nothing directly to do with VB, just that I'm 40 today, and
some of you youngsters need educating) ...

Once upon a time, mechanical typewriters had a roller mounted on a carriage.
The carriage moved the roller horizontally along its axis, taking the paper
past the fixed character-at-a-time print position.  When the line of type
was complete, the carriage had to be returned to its start position and the
roller rotated sightly, feeding the paper up one line's depth.  Telex
machines, teleprinters and suchlike called these functions Carriage Return
and Line Feed, even after the carriage stayed still and the print head moved
instead.  On some devices you could use CR on its own to overprint the
previous line.

Some of these electromechanical devices had rules to be obeyed, such as CR
before LF, because CR took longer physically.  (One I recall needed
CR-LF-CR, because the explosive force of the return after a long line made
the darn thing bounce off its stops.)

That's why the compound character is always CRLF (not LFCR) though I prefer
NL or NewLine.  But how these different codes are handled by more recent
languages and devices is another story, which is why this ramble has wasted
your time - sorry!  But thanks for the excuse, Susan.

Oh, and that '40' is in hexadecimal of course.  ;-)

John


-----Original Message-----
From: accessd-bounces at databaseadvisors.com
[mailto:accessd-bounces at databaseadvisors.com] On Behalf Of Susan Harkins
Sent: 12 December 2006 17:46
To: 'Access Developers discussion and problem solving'
Subject: [AccessD] More on vbCr, vbLf, VbNewLine, and vbCrLf


I'm finding that the vbCr, vbLf, vbNewLine and vbCrLf constants all do the
same thing within message box text -- they all begin text at the left margin
on the next line. I'm printing the evaluated statement to the Immediate
window and find the same thing there -- they all push the text to the left
margin of the next line. I can't see a difference between them. 
 
Susan H. 
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