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The window freezes for this reason - as far as I am aware, there is no way around this using only AutoLISP, unless you continously accept user input via grread whilst processing.
I seem to recall a recent similar topic where using (grtext -1 str) in each loop solved the problem.Can't find it though.
Quote from: roy_043 on May 05, 2015, 05:57:25 AMI seem to recall a recent similar topic where using (grtext -1 str) in each loop solved the problem.Can't find it though.R U talking about this thread : http://www.theswamp.org/index.php?topic=25336.5