C++ (Qt)
class CMyBase : public QObject
{
	Q_OBJECT
public:
	CMyItem* MyItem;
	bool setMyItem(QVariant value);
}
bool CMyBase::setMyItem(QVariant value)
{
	return MyItem->setValue(value); 
}
 
 
class CMyItem : public QObject
{
	Q_OBJECT
public:
        QList<CMySubItem>* list; 
        bool setValue(QVariant value);
}
bool CMyItem:: setValue(QVariant value)
{
	list->at(555)->setValue(value);
	return true;
}
 
class CMySubItem : public QObject
{
	Q_OBJECT
public:
        QVariant myValue;
        bool setValue(QVariant value);
}
bool CMySubItem ::setValue(QVariant value)
{
	myValue = value;
}
 

C++ (Qt)
#include <QtGUI>
 
int main( void ) 
{
	for (int i = 0; i < 100; ++i) {
		QObject * test1 = new QObject;
		QObject * test2 = new QObject;
		printf("size = %ld (%p, %p)\n", (char *) test2 - (char *) test1, test1, test2);
	}	
	return 0;
}
 

C++ (Qt)
...
public:
	CMyItem* MyItem;
...
 

C++ (Qt)
...
public:
        QList<CMySubItem>* list; 
...