LIBCD.lib(wincrt0.obj) : error LNK2001: unresolved external symbol _WinMain@16
Debug/shenruqianchu.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.
#include<iostream.h>
class CObject
{
public:
virtual void Serialize()
{
cout<<"CObject::Serialize()\n\n";
}
};
class CDocument:public CObject
{
public:
int m_datal;
void func()
{
cout<<"CDocument::func()"<<endl;
Serialize();
}
virtual void Serialize()
{
cout<<"CDocument::Serialize()\n\n";
}
};
class CMyDoc:public CDocument
{
public:
int m_data2;
virtual void Serialize()
{
cout<<"CMyDoc::Serialize()\n\n";
}
};
void main()
{
CMyDoc mydoc;
CMyDoc* pmydoc=new CMyDoc;
cout<<"#1 testing"<<endl;
mydoc.func();
cout<<"#2 testing"<<endl;
((CDocument*)(&mydoc))->func();
cout<<"#3 testing"<<endl;
pmydoc->func();
cout<<"#4 testing"<<endl;
((CDocument)mydoc).func();
} 
