Forums >> Revit Building >> Technical Support >> Yes/No parameter change length value to 0?

Mathenry

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Joined: Wed, Sep 7, 2011
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Hi,

sorry for my English, I tried to do my best.

When A is checked, C=D=B/2

When A is unchecked B=0

When A is unchecked C=CC and D=DD

I want B to become 0 or to be greyed out when A is unchecked so that nobody changes this value instead of CC and DD. How can I reach that?

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CDWdavid

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Joined: Mon, Aug 4, 2008
153 Posts

Please see the thread below, it might give you some hint.

http://www.revitcity.com/forums.php?action=viewthread&thread_id=10042

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