COM mgmt test

gistfile1.txt

#include <stack>
#include <cstdio>

class Dummy
{
public:
	void Release()
	{
		printf("remove: %p\n", this);
	}
};

class COMHolder
{
public:
	std::stack<Dummy *> comStk;

	COMHolder() {}
	void hold(Dummy *c)
	{
		printf("create: %p\n", c);
		comStk.push( c );
	}

	virtual ~COMHolder()
	{
		for ( ;!comStk.empty(); comStk.pop())
		{
			Dummy *d = comStk.top();
			if (d)
			{
				d->Release();
#ifndef COM
				delete d;
#endif
			}
		}
	}
	
};

int _tmain(int argc, _TCHAR* argv[])
{
	COMHolder h;
	h.hold(new Dummy());
	h.hold(new Dummy());
	h.hold(new Dummy());
	h.hold(new Dummy());
	return 0;
}