Как правильно завершить некое приложение

var
  dwResult: Longint; // This example was converted from C source.
begin
  // Not tested. Some 'nil' assignments must be applied
  // as zero assignments in Pascal. Some vars need to
  // be declared (maxworktime, si, pi). AA.
  if CreateProcess(nil, CmdStr, nil, nil, FALSE,
    CREATE_NEW_CONSOLE, nil, nil, si, pi) then
  begin
    CloseHandle(pi.hThread);
    dwResult := WaitForSingleObject(pi.hProcess, maxworktime * 1000 * 60);
    CloseHandle(pi.hProcess);
    if dwResult <> WAIT_OBJECT_0 then
    begin
      pi.hProcess := OpenProcess(PROCESS_TERMINATE, FALSE, pi.dwProcessId);
      if pi.hProcess <> nil then
      begin
        TerminateProcess(pi.hProcess, 0);
        CloseHandle(pi.hProcess);
      end;
    end;
  end;
end;