Hot Spots
To set an action to be performed when the mouse is moved into a certain area of the screen, choose it from the appropriate popup menu.
You can choose corners and whole sides of the screen as hot spots. With multiple monitors, only the outer corners of the desktop are taken into account.
Delay before activation
To change the delay between moving the mouse into a hot spot and the selected action being performed, drag this slider.
Allow activation with mouse button down
To allow the hot spots to activate and perform the selected actions even when the mouse button is being held down, check this box.
This allows you to use the hot spots while dragging items from the Finder or other applications.