Thread: What Hit this Code!!!!

this Code is not work ??? Why

[cod]
#include<afxwin.h>

class mywin ublic CFrameWnd
{
mywin()
{
Create(NULL,"Esmaee.com");
}
};
class app: public CWinApp
{
BOOL InitInstance()
{

m_pMainWnd=new CFrameWnd();
m_pMainWnd->ShowWindow(m_nCmdShow);
return TRUE;

}
};

app aap;
[/cod]

I have to creat and show window but instead this I recieve this message :

--------------------Configuration: Cpp1 - Win32 Debug--------------------
Linking...
libcmtd.lib(crt0.obj) : error LNK2001: unresolved external symbol _main
Debug/Cpp1.exe : fatal error LNK1120: 1 unresolved externals
Error executing link.exe.

please Help!!!

Thank you!
I have done...
Now I don't recieve link message!
I recieve an warning from the Windows:

-------------------------------------------
Debug Assertion Failed!
Program : C:\................................ .exe
File: winocc.cpp
Line: 301
For information on how your program can cause an assertion
faolure,see.................................
-----------[aburt]--------[Retry]-----------[Ignor]------
when I sellect retry I recieve the will known message:

Cpp1.exe has encountered a problem and needs to close. We are sorry for the inconvenience.
[send report] [don't send]
!!!!!