Reads the print settings from the group @group_name in @key_file. If the file could not be loaded then error is set to either a #GFileError or #GKeyFileError.
the #GKeyFile to retrieve the settings from
the name of the group to use, or %NULL to use the default “Print Settings”
%TRUE on success
GException on failure.
2.14
See Implementation
Reads the print settings from the group @group_name in @key_file. If the file could not be loaded then error is set to either a #GFileError or #GKeyFileError.