[fredo]

esto es para bajar por url, si quieres copiar por la red es mas facil....

Código Delphi [-]
function Download(Url: string; Archivo: string): Boolean;
var
   hFile: THandle;
   hNet: HINTERNET;
   hUrl: HINTERNET;
   Buffer: array[0..102400] of Char;
   BytesRead: DWORD;
   BytesWritten: DWORD;
begin
    Result := FALSE;
    hFile := CreateFile(PChar(Archivo), GENERIC_WRITE, 0, nil, CREATE_ALWAYS,
    FILE_ATTRIBUTE_NORMAL, 0);
    if (hFile <> INVALID_HANDLE_VALUE) then
    begin
         hNet := InternetOpen('agent', INTERNET_OPEN_TYPE_PRECONFIG, nil, nil, 0);
         if (hNet <> nil) then
         begin
              hUrl := InternetOpenUrl(hNet, PChar(Url), nil, 0,
              INTERNET_FLAG_RELOAD, 0);
              if (hUrl <> nil) then
              begin
                  while (InternetReadFile(hUrl, @Buffer, sizeof(Buffer), BytesRead)) do
                  begin
                      if (BytesRead = 0) then
                      begin
                          Result := TRUE;
                          break;
                      end;
                      if (not WriteFile(hFile, Buffer, BytesRead, BytesWritten, nil))
                      then break;
                      if (BytesRead <> BytesWritten)
                      then break;
                  end;
                  InternetCloseHandle(hUrl);
              end;
              InternetCloseHandle(hNet);
        end;
        CloseHandle(hFile);
    end;
end;