1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:
28:
29:
30:
31:
32:
33:

var
  FileStream :   TFileStream;
  FileNeme   :   String;      // <= C:\test.mp3


function Get_AppPath : string;
begin
  result:= ExtractFilePath( ParamStr( 0 ) );
end;


procedure StatusProc(buffer: Pointer; len, user: DWORD); stdcall;
begin
  if (buffer <> nil) and (len = 0) then
    SendMessage(win, WM_INFO_UPDATE, 8, DWORD(PChar(buffer)));

  if (FileNeme = '') then
    exit;
  if (FileStream = nil) then
      FileStream:= TFileStream.Create(FileNeme, fmCreate); // create the file
  if (buffer = nil) then
      FileStream.Free // finished downloading
  else
      FileStream.Write(buffer^, len);
end;


function OpenURL(url: PChar): Integer;
var ....
begin
  FileNeme:=  Get_AppPath + Form1.Filename_Edit.Text;
  ...
end;					

1:
2:
3:
4:

procedure TForm1.Button1Click(Sender: TObject);
begin
FileStream.Free;
end;					

1:
2:
3:
4:
5:
6:
7:
8:
9:
10:
11:
12:
13:
14:
15:
16:
17:
18:
19:
20:
21:
22:
23:
24:
25:
26:
27:

procedure StatusProc(buffer: Pointer; len, user: DWORD); stdcall;
begin
  if (buffer <> nil) and (len = 0) then
    SendMessage(win, WM_INFO_UPDATE, 8, DWORD(PChar(buffer)));

  if (FileNeme = '') then
    exit;
  if JoIchWillAufnehmen then
  begin
    if (FileStream = nil) then
        FileStream:= TFileStream.Create(FileNeme, fmCreate); // create the file
    if (buffer = nil) then
        FileStream.Free // finished downloading
    else
        FileStream.Write(buffer^, len);
  end;
end;

procedure TForm1.ButtonStopClick(Sender: TObject);
begin
  JoIchWillAufnehmen = False;
end;

procedure TForm1.ButtonStartClick(Sender: TObject);
begin
  JoIchWillAufnehmen = True;
end;