C / C++ / MFC

class A
{
   virtual testA();
   testA2();
}

class B:public A
{
   virtual testA();
   virtual testB();
   testA2();
   testB2();
}

A: vptr ---> &A::testA

B: vptr ---> &B::testA()
             &B::testB()

// call members:
A a;
B b;
A* ab=&b // ab points to a B object, but the compiler sees it as an A object
a.testA()     // calls A::testA
a.testA2()    // calls A::testA2
b.testA()     // calls B::testA
b.testA2()    // calls B::testA2
b.testB()     // calls B::testB
b.testB2()    // calls B::testB2
ab->testA()   // calls B::testA - testA is virtual
ab->testA2()  // calls A::testA2 - testA2 is not virtual, the compiler thinks ab points to an A object
ab->testB()   // compiler error, A does not have member testB
ab->testB2()  // compiler error, A does not have member testB2

char Header_byte[] = {0x10, 0x00};
char DataLength_byte[];

#if !defined(AFX_FILTERRESULT_H__D3EED92D_3C92_473B_8382_30ED607DBEEB__INCLUDED_)<br />
#define AFX_FILTERRESULT_H__D3EED92D_3C92_473B_8382_30ED607DBEEB__INCLUDED_<br />
<br />
#if _MSC_VER > 1000<br />
#pragma once<br />
#endif // _MSC_VER > 1000<br />
<br />
#pragma message("DOMNodeFilter used in Filterresult.h")<br />
<br />
#include <xercesc/dom/DOMNodeFilter.hpp><br />
<br />
class CFilterresult : public DOMNodeFilter  <br />
{<br />
public:<br />
	virtual short acceptNode(DOMNode const * n) const;<br />
	CFilterresult();<br />
	virtual ~CFilterresult();<br />
<br />
};<br />
<br />
#endif // !defined(AFX_FILTERRESULT_H__D3EED92D_3C92_473B_8382_30ED607DBEEB__INCLUDED_)