Dynamic block stretch to change visibility states

[Lukasvop1]

Hi guys,

I wonder if is some way how to connect stretch action with visibility state? 

If I change length of line, automatically change assigned visibility state. Is it possible to do it? 

Thank you for respond.

[hwalker · Accepted solution]

See the attached drawing for an example. You need to understand how double lookups work.

[Lukasvop1]

If someone read this, here I found links explain how double lookups works :

https://forums.autodesk.com/t5/dynamic-blocks-forum/how-to-make-a-double-lookup/m-p/5785708#U5785708

https://knowledge.autodesk.com/community/screencast/4fbf88fd-d81a-4421-8f21-7686604a3b92?_ga=2.26247...