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.
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.