How can you find which pages in site Form macros are used?

Questions
1

Hi,

I want to find out which pages in a site the Form macros have been added.

I know how to iterate though all the nodes in code but how would you determine if a Form macro is on there?

Is there a way to do this?

Thanks!

This is a companion discussion topic for the original entry at https://our.umbraco.com/forum/92875-how-can-you-find-which-pages-in-site-form-macros-are-used