I'm creating an EM with a handful of module blocks. I can't seem to correctly get the 'Hide Parameter' function to work. My module block is pointing to a new landing module class that processes a lot of device information, but my supervisory EM will only need to interact with a small percentage of those parameters. No matter which context menu I use, the 'Hide Parameters' dialog populates an empty list. In one instance, I was able to get a single parameter to show in the list after using the 'Edit Object' command from right clicking on the module block within the FBD. I deleted an output parameter and replaced it with an identically-named internal write-only parameter. I have not been able to replicate this single success, nor can I find anything in BOL about module block configuration other than ownership topics.
Does anybody have insight on this?