{Linerel.PAS}
  ▀▀▀▀▀▀▀▀▀▀▀▀▀▀▀
 {Sample code for the LineRel procedure.}

  uses Graph;

 var Gd, Gm: Integer;
 begin
   Gd := Detect;
   InitGraph(Gd, Gm, '');
   if GraphResult <> grOk then
     Halt(1);
   MoveTo(1, 2);
   LineRel(100, 100);   { Draw to the point (101,102) }
   Readln;
   CloseGraph;
 end.