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Код


uses Wininet;

function GetInetFile(const fileURL, FileName: string): boolean;
const
  BufferSize = 1024;
var
  hSession, hURL: HInternet;
  Buffer: array[1..BufferSize] of Byte;
  BufferLen: DWORD;
  f: file;
  sAppName: string;
begin
  Result:=False;
  sAppName := ExtractFileName(Application.ExeName);
  hSession := InternetOpen(PChar(sAppName),
  INTERNET_OPEN_TYPE_PRECONFIG,
  nil, nil, 0);
  try
    hURL := InternetOpenURL(hSession,
    PChar(fileURL),
    nil,0,0,0);
    try
      AssignFile(f, FileName);
      Rewrite(f,1);
      repeat
        InternetReadFile(hURL, @Buffer,
        SizeOf(Buffer), BufferLen);
        BlockWrite(f, Buffer, BufferLen)
      until
        BufferLen = 0;
      CloseFile(f);
      Result:=True;
    finally
      InternetCloseHandle(hURL)
    end;
  finally
    InternetCloseHandle(hSession)
  end;
end;

 

var
  FileOnNet, LocalFileName: string;
begin
  FileOnNet := 'http://its_your_sire.ru/library/forminbpl.zip';
  LocalFileName := 'File Downloaded From the Net.zip';

  if GetInetFile(FileOnNet, LocalFileName) = true then
    ShowMessage('Download successful')
  else
    ShowMessage('Error in file download');
end;