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c++call back

null param nop style rtu c++c argv nbsp []

#include "stdafx.h"
struct A;

typedef void(A::*MemFuncPtr) (int* e);

class A
{
    int a;
}; 

class View : public A
{
public:
    virtual void test() { printf("test A\n"); }
};

class Window : public View
{
public:
    virtual void test() { printf("test A\n"); }
    void func(int
* b) { (void)b; printf("************\n"); } }; typedef void(*HandlerNoParam)(); typedef void(*Handler1Param)(void* receiver); typedef void(*Handler2Param)(void* receiver, int* e); void test1() { printf("no parameter test:\n"); } void test2(void* receiver) { (void)receiver; printf(
"1 parameter test:\n"); } void test3(void* receiver, int* e) { (void)receiver; (void)e; printf("2 parameter test:\n"); } int _tmain(int argc, _TCHAR* argv[]) { Handler2Param p0 = (Handler2Param)test2; p0(NULL, 0); MemFuncPtr p = (MemFuncPtr)&Window::func; Window a; (a.
*p)(NULL); getchar(); return 0; }

c++call back