Determine if R is running in Rgui under Windows and is in SDI mode.
Usage
isSDI()
Value
TRUE if it is Rgui under Windows, and it is stared in SDI mode
(Single-Document Interface), FALSE otherwise (either in Rgui in
MDI mode, or another UI).
Note
See the menu entry 'Edit' -> 'GUI preferences' to change the Rgui mode,
or start Rgui with the '–SDI' argument line parameter. Under another platform
than Windows or if it is not Rgui, then isSDI() always returns
FALSE
Author(s)
Philippe Grosjean <phgrosjean@sciviews.org> & Eric Lecoutre