paperIdxth available paper size, on the specified printer.
paperIdx must be between 0 and n-1, where n is the
value returned by
The paper name will be returned in
buf on success, or
NULL on failure.
pdfGetPrinterPaperID are just simple wrappers around Windows
functions. There is no requirement to use these functions if you
already know the paper ID that you want to use (e.g., from