{Drawpoly.PAS}
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  {Sample code for the Drawpoly function.}

  uses Graph;

  const
    Triangle: array[1..4] of PointType = ((X: 50; Y: 100), (X: 100; Y:100),
      (X: 150; Y: 150), (X:  50; Y: 100));
  var Gd, Gm: Integer;
  begin
    Gd := Detect;
    InitGraph(Gd, Gm, '');
    if GraphResult <> grOk then
      Halt(1);
    DrawPoly(SizeOf(Triangle) div SizeOf(PointType), Triangle);{ 4 }
    Readln;
    CloseGraph;
  end.