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Hello,
Does someone know, if it's possible, how to display an MLCad arrow only in one step and to hide it in the following steps ?

Thanks in advance for your help,
Fabrice

http://www.holly-wood.it/mlcad/advanced1...r_exchange

w.

Thank you very much for your answer Willy and for the tutorial.
I have never used Buffer Exchange, so I will try it.

Fabrice

You're welcome!

w.