SetMouseRange()
 Restrict the movement of the mouse pointer.
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 Syntax:

     SetMouseRange( <nTop>, <nLeft>, <nBottom>, <nRight> ) --> NIL

 Arguments:

     <nTop> is the top row to restrict the movement.

     <nLeft> is the leftmost column to restrict the movement

     <nBottom> is the bottom row to restrict the movement.

     <nRight> is the rightmost column to restrict the movement

 Returns:

     SetMouseRange() returns a NIL.

 Description:

     SetMouseRange() is used to restrict the movement of the mouse to a
     rectangular area of the screen.


 Files:  Library is MOUSE.LIB.