I've noticed that a number of different programs just look at the Approved list of shell extensions [HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Shell Extensions\Approved] and figure that all shell extensions will be in that list. It...

I've been thinking about the registration problem where you want to add a context menu (much of this applies to static verbs as well) to a file type (we'll say .ogg). You don't want the default verb, you just want to add some verbs. Because you don't...