Read source code in .dll file?

Hi guys,
I want to know some Revit API in node used in dynamo to write code.
Can i Read source code in .dll file by Visual Studio ? If that’s right, Path of .dlls file is ?
Exam: I want to read code in this node.
Thank in advanced


I don’t believe the OOTB nodes are open source.

If it is anywhere it will be in either of the following, and unsure how much of it is up to date with the current cycle.


Dynamo for revit:

Hey All,

I believe the OTTB nodes are open source, apart from the Geometry Kernel, as stated here:

by @Dimitar_Venkov

and by @Michael_Kirschner2

I’m not sure where this is stated in the docs…

Hope that’s correct,