DrDoc - 9:34 pm on Mar 28, 2006 (gmt 0)

It will be the size of the current application's portion of the desktop. Thus, if you have two monitors with a 1600×1200 resolution, it is not going to show 3200×1200, but instead only the resolution for the monitor in which the app currently runs. This can, certainly, as has already been mentioned, be different between the two.