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[REBOL] Re: More REBOL IOS questions.

From: greggirwin::mindspring::com at: 13-May-2002 16:23

Hi Ed, << Does REBOL View, for example, support a drag & drop interface? I have seen no evidence of this, but admit that the time I've spent looking at it is probably no more than two hours. >> Allen Kamp has done some really nice demos of D&D inside View apps. Getting D&D events from Windows is another matter. I haven't tried catching WM_DropFiles, though it may be possible. The new SYSTEM port may allow catching WM_ messages but I haven't tried it. << Can REBOL call external applications? I know it can connect to Oracle through ODBC and I assume it can through TNS Names, but can it call other applications (at least through OS calls) and execute them with the appropriate parameters? Case in point: can it call SQL*Plus, pass the User and Password and script to be run? >> View/Pro and Command can. The Link client still can't AFAIK. We have a script on our IOS server that doesn't run under Link, because we need to do that. No problem running that way if you don't mind doing it. << I know IOS can detect file changes. Can it intercept those changes programmatically? Can we use it to create a log of files that have been changed? Not sure exactly what you mean, but probably yes. If you're going through IOS, you will see items published and, if you're writing your own post-func for your reblets, you can act on that. You could also have a daemon-type process that polls for things if that will work for you. Callbacks might be possible with the new system port as well, but I haven't tried it so I don't know, under Windows, if you can use the file-change notification APIs. --Gregg