class Exc : public String {
public:
	Exc(); // throw according to GetLastError()
	Exc(const String& desc) : String(desc) {}

//	void Show() const;
};

class AbortExc : public Exc {
public:
	AbortExc();
};

void DoSomething(const String& paramOne) {}

void do_something(const string& param_one) {}

class X
{
  class Y { public: void operator() {} };
public:
  Y variableName;
  void CallMe() {}
};

class x
{
  class y { public: void operator() {} };
public:
  y variable_name;
  void call_me() {}
};

int main()
{
  X camelCaseNotation;
  x underscore_notation;
  camelCaseNotation.variableName(); // means calling operator () from variableName
  camelCaseNotation.CallMe(); // means calling a member function

  underscore_notation.variable_name(); // looks like we are calling a member function
  underscore_notation.call_me(); // ok, we are calling a member function
  return 0;
}

GUI_APP_MAIN // U++ initialization is hidden by this macro
{
  TopWindow w;
  w.Run();
}

int main(int argc, char *argv[]) // it is possible to write main() for GUI applications in Windows too
{
  Application app(argc, argv); U++ initialization is hidden in Application class
  TopWindow w;
  return app.Run(w);
}