Hi, I’m using Pythin within Dynamo to create some utility routines to speed up my use of Revit. One error I come acorss a lot is something along the lines of: TypeError: AddSet() takes exactly 2 arguments (1 given) AddSet is an example of the error, I sometimes get it with other functions, every…

You havent done the ilist part of the code correctly and you would be better to do something along the below lines or a nother solution is there is a spring package that as a selectinrevit node. Also double check that the filter selection routine is the right one for you. # Dynamo import clr clr.…

OK, thanks for your help. I’m still struggling with the use of ilists over the use of a standard list, I can’t really see what the difference is especially as most functions within the API accept lists where as the odd one requires an Ilist. Also, is an Ilist the same as an Icollection? Thanks.

@Gui_Talarico actually contributed with an excellent post explaining the different use of the native python list, and the .NET based list. I’ll link it when i get home if you can’t find it. :slight_smile:

Maybe this? [image] Different ways of getting element Ids Developers Hi @salvatoredragotta Both versions get the ElementId using the same method, which is the .Id Property (any object that inherits from Element has it). What’s different, is what they do with the resultin…

Exactly the one I was thinking of :+1::slight_smile:

Excellent - thanks for your help!

Function takes exactly 2 arguements (0 Given)

Gui_Talarico March 2, 2017, 2:05pm 5

Maybe this?

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Function takes exactly 2 arguements (0 Given)

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