iThreadID:=FWorker.ThreadID;
      hThread:=OpenThread(THREAD_TERMINATE or THREAD_QUERY_INFORMATION ,false,iThreadID);
      if hThread<>0 then
      try

        System.SetLastError(ERROR_SUCCESS);
        iThreadExitCode:=0;
        if not GetExitCodeThread(hThread,iThreadExitCode) then
          sMsg:=SysErrorMessage(GetLastError);

        System.SetLastError(ERROR_SUCCESS);
        bOK:=TerminateThread(hThread,iThreadExitCode);
        if bOK then
          sMsg:='OK'
        else
        begin
          sMsg:=SysErrorMessage(GetLastError);
        end;
      finally
        CloseHandle(hThread);
      end;