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;