procedure TForm1.Button1Click(Sender: TObject);
var
  mf: TMetaFile;
  mfc: TMetaFileCanvas;
  i: integer;
  ClipBrdFormat: word;
  data: cardinal;
  palette: hPalette;
  p: array [0..90] of TPoint;
begin
  mf := TMetaFile.Create;
  mf.Width := 100;
  mf.Height := 100;
  mfc := TMetafileCanvas.Create(mf, 0);
  with mfc do
  begin
    Pen.Color := clBlack;
    FrameRect(ClipRect);

    MoveTo(0, 50);
    LineTo(100, 50);
    LineTo(95, 48);
    MoveTo(100, 50);
    LineTo(95, 52);

    MoveTo(50, 100);
    LineTo(50, 0);
    LineTo(48, 5);
    MoveTo(50, 0);
    LineTo(52, 5);

    Brush.Style := bsClear;
    Font.name := 'arial';
    Font.Size := 6;
    TextOut(55, 0, 'Y');
    TextOut(95, 38, 'X');

    Pen.Color := clRed;
    for i := low(p) to high(p) do
      p[i] := Point(i, round(50 - 30 * sin((i - 50) / 5)));
    Polyline(p);
  end;
  mfc.Free;
  mf.SaveToClipboardFormat(ClipBrdFormat, data, palette);

  OpenClipboard(Application.Handle);
  EmptyClipboard;
  SetClipboardData(ClipBrdFormat, data);
  CloseClipboard;


  mf.Inch := 200;
  Form1.Canvas.Draw(0, 0, mf);
  mf.Free;
end;