Although I’m not going to look around for them, I’ve read a lot of messages related to opening PDFs directly in Skim (or another favorite application). Although my preference has been to use a keyboard macro in Keyboard Maestro, I always like to offer a free option. Here’s the GUI scripting alternative:
activate application "DEVONthink Pro"
tell application "System Events"
tell process "DEVONthink Pro Office"
click menu item "Skim" of menu 1 of menu item "Open With" of menu 1 of menu bar item "Data" of menu bar 1
end tell
end tell
Presumably, you can hitch this to a Keyboard Shortcut somehow. I’ve been using “Control-Command-O” which I think is unused in DT.
HTH, Charles