Delphi 转换swf到exe

function Swf2Exe(S, D, F: string): string;
var
SourceStream, DestinyStream, LinkStream: TFileStream;
flag: Cardinal;
SwfFileSize: Integer;
begin
Result := 'something error';
DestinyStream := TFileStream.Create(D, fmCreate);
try
LinkStream := TFileStream.Create(F, fmOpenRead or fmShareExclusive);
try
DestinyStream.CopyFrom(LinkStream, 0);
finally
LinkStream.Free;
end;
SourceStream := TFileStream.Create(S, fmOpenRead or fmShareExclusive);
try
DestinyStream.CopyFrom(SourceStream, 0);
flag := $FA123456;
DestinyStream.WriteBuffer(flag, SizeOf(Integer));
SwfFileSize := SourceStream.Size;
DestinyStream.WriteBuffer(SwfFileSize, SizeOf(Integer));
Result := '';
finally
SourceStream.Free;
end;
finally
DestinyStream.Free;
end;
end;

procedure TForm1.Button1Click(Sender: TObject);
begin
Swf2Exe('c:\somefile.swf', 'c:\somefile.exe',
'c:\Program Files\Macromedia\Flash MX\Players\SAFlashPlayer.exe');
end;