Is there a file dialog example available? I see in angular how you use an input and document.querySelector, etc but is that applicable in the Apex environment?
By “file dialog example” do you mean an example of selecting a file in an upload scenario?
Yes, my interest at the moment is picking a file (or multiple, controlling file types) from the users computer and then processing it.
Your comment makes me realize that I can dig an example out of the apex library perhaps…