hidedemo.cpp

来自「《基于Symbian OS的手机开发与应用实践》这本书的配套源码。」· C++ 代码 · 共 65 行

// HideDemo.cpp : 方法的隐藏演示
// 

#include <stdio.h>

class ShapeHide
{
public:
	int x;
	void ShowName() 
	{
		printf("\nShapeHide对象的ShowName函数被调用\n");
		printf("x=%d\n", x);
	}

	void ShowName(int a) 
	{
		printf("\nShapeHide对象的ShowName(int a)函数被调用\n");
		printf("x=%d\n", x);
	}
};

//类PointHide继承于类ShapeHide
//并实现隐藏了ShapeHide的成员
class PointHide : public ShapeHide
{
public:
	int x;
	using ShapeHide::ShowName;
	void ShowName() 
	{
		printf("\nPointHide对象的ShowName函数被调用\n");
		printf("x=%d\n", x);
	}
};

int main(int argc, char* argv[])
{
	//创建ShapeHide对象
	ShapeHide *s = new ShapeHide();
	s->x = 1;
	s->ShowName();
	s->ShowName(1);
	//创建PointHide对象
	PointHide *p = new PointHide();
	p->x = 2;
	p->ShowName();
	p->ShowName(1);

	//s指向ShapeHide对象
	delete s;
	//让ShapeHide对象指针，指向PointHide对象
	s = p;
	
	s->ShowName();
	s->ShowName(1);

	delete p;
	s = NULL;
	p = NULL;
	
	return 0;
}