various parameters. {\it parent} is the parent of the printer dialog box.
Use the {\it Ok} member to test whether the constructor was successful
-in creating a useable device context.
+in creating a usable device context.
See \helpref{Printer settings}{printersettings} for functions to set and
get PostScript printing settings.
Return resolution used in PostScript output. See
\helpref{SetResolution}{wxpostscriptdcsetresolution}.
+