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::PostMessage(hWnd, WM_MESSAGW, 参数, 参数);
#ifndef _MY_A_H
#define _MY_A_H
#include <iostream.h>
class A
{
public:
void Print()
{
cout<<"from class A..."<<endl;
}
};
#endif
#ifndef _MY_B_H
#define _MY_B_H
#include "a.h"
class B
{
public:
void Print()
{
A *a;
cout<<"from class B..."<<endl;
a->Print();
}
};
#endif
#include "a.h"
#include "b.h"
#include <iostream.h>
void main()
{
B b;
b.Print();
}