textview force refresh

["Nagy Zoltán Márk" <moho jojo gmail com>]

Hi!

howto force refresh textview widget? my problem is:
{
write text to textwiew (text);
//textview NOT shown my text
big_cpu_use_commands();
}

but the textview refreshed after the program finish the
big_cpu_use_commands() funtion.

king regards,
 mark