Sets the handler for printing error messages.
Any messages passed to g_printerr() will be output via the new handler. The default handler simply outputs the message to stderr. By providing your own handler you can redirect the output, to a GTK+ widget or a log file for example.
the new error message handler
Return: the old error message handler
See Implementation
Sets the handler for printing error messages.
Any messages passed to g_printerr() will be output via the new handler. The default handler simply outputs the message to stderr. By providing your own handler you can redirect the output, to a GTK+ widget or a log file for example.