GtkProgress::set_format_string
void set_format_string(string format);
The content of the progress text can be modified with the
format string. It can contain the following
format characters:
%v - the current progress value.
%l - the lower bound of the progress value.
%u - the upper bound of the progress value.
%p - the current progress percentage.
The
% character itself can be specified as
%%.
The default text string is "%p%%".
See also: GtkAdjustment, where the progress
value and bounds are set.
