Lock parameters after filling out

[Anonymous]

Hi guys

I am looking for way to lock parameters or disable user modification after filling out these parameters, I asked this question before and the answers were to use formulas but for system families didn't work, and I think by API coding I can reach what I want. for example if I have parameter called "zone" after I fill it with "Z5" I want to be able to lock it.

so can anybody help me with that or suggest a solution?.

Thank you

[Anonymous]

It's an old blog but I found this:

http://thebuildingcoder.typepad.com/blog/2010/08/setting-a-locked-parameter.html

Let me know if it helps.

[FAIR59]

You can achieve that, using Shared Parameters,  setting Usermodifiable to zero.

*PARAM GUID NAME DATATYPE DATACATEGORY GROUP VISIBLE DESCRIPTION USERMODIFIABLE
PARAM d8790400-e35b-49ce-ad7e-dc6420a912a9 KC_vakmaat_B_breedte LENGTH  19 1  0

[Anonymous]

Thank you for your suggestion but this it's not working with system families

[Anonymous]

The problem with this way that I can't fill the parameter after load it to family , right ?. 

[FAIR59]

It can work with system families. You have to add the shared parameter as a project parameter to the system-family category

[Anonymous]

that replay it was to the previous comment :), It could be set for system family but how to fill it, after make it hidden ?

[FAIR59]

You would have to use an addin to modify the parameter.

[Anonymous]

I am not familiar with that, if you can give the add-in name that would be helpful thank you

[FAIR59 · Accepted solution]

Since this is the Revit API forum, i thought your were writing your own Plugin. I dont know if there are plugins available to modify parameters of system families.

Another solution could be the use of a NON visible/ UserModifiable shared parameter. Those parameters are only visible in a schedule.

[Anonymous]

You give good idea, that am filling it after make it modifiable through dynamo, so cheers man.