Scroll() - replacement for CA-Clipper Scroll()
 Abides by the current window
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 Syntax

     Scroll( [<nTop>], [<nLeft>], [<nBottom>], [<nRight>], [<nVert>],
      [<nHoriz>]) --> NIL

 Arguments

     <nTop> defines the top row of the region to scroll.

     <nLeft> defines the left column the region to scroll.

     <nBottom> defines the bottom row of the region to scroll.

     <nRight> defines the right column of the region to scroll.

     <nVert> defines the number of rows to scroll, vertically.

     <nHoriz> defines the number of rows to scroll horizontally.

 Returns

     Scroll() always returns NIL.

 Description

     Scroll() may be used to move a region of the screen up, down, left or
     right. When a region of the screen is moved, the area left behind is
     cleared.

 Notes

     ■  If you do not specify coordinate arguments, the dimensions of the
        current window are used.

 Files:  Library is MRWINDOW.LIB.