What Hit this Code!!!!

this Code is not work ??? Why

[cod]
#include<afxwin.h>

class mywin :public 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!!!

It's looking for main( ) because you have created a win32 console application instead of a win32 application probably. Just go into Project->Settings->Link .. then under Project Settings: look for the line:

/subsystem:console

and change that to

/subsystem:windows

You should be set. Next time make your project a Win32 Application , no console!

Also, as you are creating an MFC app.....when you create the project chose MFC Application as opposed to Win32 Application or Console Application...this will bring in the nessasary settings and libraries

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]
!!!!!