If it is possible to open a external program via the system.navigateUrl(); command will it be possible to have the ddesend signals send by a external program. The command that you want to send can then be added after the full filename:
In a shortcut, will open cover.jpg in paintbrush.
No we just need such a program and a way to add this extra param via the navigateUrl() command...
Check this thread
Will certainly be easier with a build in maki command that work but until then...