yo yo.
we hear you.
we have been there too.
I bet everyone who has ever tried setDefaultPrinter()

but you saying it's the documentation, you are mocking wrong tree.
a clip from 4.50 kixtart2010.doc:
Code:

SETDEFAULTPRINTER
 
Action
	Sets the default printer to which applications send print jobs.
 
Syntax
	SETDEFAULTPRINTER ("printer name")
 
Parameters
	Printer name
	String that specifies the fully qualified name of the printer to set as the default printer.
 
Note that if the printer involved was connected to using AddPrinterConnection, you must include both the servername and the sharename.
 
Returns

0		Default printer set
Error code	Function failed

Example
	If AddPrinterConnection ("\\vleerbeer\hp laserjet 4") = 0
	   ? "Added printer connection...."
	   If SetDefaultPrinter ("\\vleerbeer\hp laserjet 4") = 0
	      ? "Set default printer to HP LaserJet 4...."
	   Endif
	Endif


the note line is way of though:
Quote:

Note that if the printer involved was connected to using AddPrinterConnection, you must include both the servername and the sharename.



and what comes to OS specific.
it shouldn't be.
these should all work from win95 and winNT onwards.
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