Re: Problems with a HScale and set_sensitive()

[smso graduate hku hk]

Doing lengthly operation on the gui thread will most likely freeze the ui. You
may perform the operation by a Glib::Thread. Then use Glib::Dispatcher to
signal when the job is finished, so that the ui may be updated accordingly.

For more info, search the marc for gtkmm:
http://marc.info/?l=gtkmm