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[Q] NavServices, Open FilterProc, Mounting UI

I've got what I believe is a pretty normal filter proc which I pass to NavCreateGetFileDialog.

Now, the problem that I am seeking a solution for is it is quite annoying if several files come along which are aliases to things that need to bring up a UI to be accessed.

The behavior I would like to see is for an alias of this type to be lit, but for the UI to only appear when the user selects the item.

Now, when considering only aliases to server volumes, I can achieve this behavior by detecting it is an alias and then looking at filetype field in LSItemInfoRecord and checking it against kContainerServerAliasType. In this case, I can simply bypass the call to FSResolveAliasFile and return true.

However, I do not believe that the kContainerServerAliasType is the only type that may need to bring up a UI to be mounted, nor do I know if checking the filetype field will continue to work in the future (will it?).

Assuming that I discover all of the AliasTypes that may need to bring up a UI, it would only be valid until such a time as a new type would be added.

So, my basic questions are...

Is there something here I am missing?

I noticed that
FSResolveAliasFileWithMountFlags( ..., kResolveAliasFileNoUI )
will return -35. Is this a reliable thing to check against to know
that I have something that can be lit, but could not be mounted? If
this is the case, it would seem to be a solution to my problem.
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