VLinie( nTop, nLeft, nBottom, nColor, cLineChar ) -> .t. 

   Draws a vertical line using character cLineChar in color nColor.
   The default-character is '|'. If you don't pass nColor the background
   color will be taken.


   PARAMETER:
   nTop        beginning row, starting point
   nLeft       beginning column
   nBottom     ending row
   nColor      LineColor
   cLineChar   Character to draw the line with