Reads the print settings from @file_name.
If the file could not be loaded then error is set to either a GFileError or GKeyFileError.
See [method@Gtk.PrintSettings.to_file].
the filename to read the settings from
%TRUE on success
GException on failure.
See Implementation
Reads the print settings from @file_name.
If the file could not be loaded then error is set to either a GFileError or GKeyFileError.
See [method@Gtk.PrintSettings.to_file].