class MyWindow : public TopWindow
{
	typedef MyWindow CLASSNAME;
public:
	void Count()
	{ 
	//here 2nd.
	Sleep(10000);
	//here 5th.
	}
};
void MyThread(Callback cb)
{
	TimeCallback timer;
	timer.Set(1000, cb);
	//here 1st.
	Sleep(5000);
	//here 3rd.
	timer.Kill();
	//here 4th.
}
...