Hi, I wanted to implempent a C++ analogue to Javas java.util.Timer.schedule(), but somehow more flexible, that is, not only providing a virtual "run()" from a base class, but being able to add any function. I´m having some problems with pointers to member-functions: My classes look like this:

template <class T> struct CallData
{
	void (T::*mCall)(T *pObject);
	unsigned int mInterval;
	unsigned int mDuration;
	unsigned int mElapsedTime;
};

template<class T> class Timer
{
public:

	void registerCall(std::string pName, void (T::*pCall)(T *pObject),unsigned int pInterval, unsigned int pDuration = 0);
	void deleteCall(std::string pName);

	void runTimer(unsigned int pElapsedTime, T *pObject);

private:

	std::map<std::string, CallData<T>> mCalls;
};

And implementation:

void Timer<class T>::registerCall(std::string pName, void (T::*pCall)(T *pObject),unsigned int pInterval, unsigned int pDuration)
{
	CallData<T> lData = { pCall, pInterval, pDuration, 0};
	mCalls[pName] = lData;
}

void Timer<class T>::deleteCall(std::string pName)
{
	mCalls.erase(pName);
}

void Timer<class T>::runTimer(unsigned int pElapsedTime, T *pObject)
{
	for(std::map<std::string, CallData<T>>::iterator i = mCalls.begin(); i != mCalls.end(); i++)
	{
		i->second.mElapsedTime += pElapsedTime;

		if((i->second.mElapsedTime > i->second.mInterval) &&
			(i->second.mElapsedTime < i->second.mInterval + i->second.mDuration))
		{
			i->second... // how to access the function-poiner?
		}
	}
}

Callbacks should look like this:

static void SomeClass::SomeFunctionCallbackWrapper(SomeClass *pObject)
{
      SomeClass* lSelf = pObject;
      lSelf->SomeFunction();
}

1st problem is that I couldn´t find out how to call the function via the function pointer (the one stored in the std::map) Second problem is that the compiler complains about the second parameter in "registerCall()", when I´m trying to add a callback-function, that it can´t convert from '(__cdecl *)(void *)' to 'void (__thiscall SomeClass::* )(T *). I´m really at a loss here. If anyone has a suggestion how to solve those problems, or can just tell me that this whole thing is just not possible, that would be great. Mike