The idea below demonstrates the ability to open a Typedef by right-clicking on a wire, but is also directly applicable to the ability of "Show Class Library" by right clicking on a class wire.
It's handy to be able to right click on a typedef constant, control, or terminal and have the "Open Type Def." option. However, oftentimes I only have a wire and not one of those three objects:
In this case, the easiest way to access the typedef is by creating a constant or indicator, then using the context menu on your new "dummy". A big problem is that sometimes structures are exploded in the creation of the dummy.
Instead of needing to create a dummy to access the typedef, I would like to be able to right click on the wire itself: