VCpp > Programs

VC++ - Display message box and simple window

// Header file 1
// myapp.h

class myapp : public CWinApp
{
public :

BOOL InitInstance( ) ;
} ;

// Header file 2
// myframe.h

class myframe : public CFrameWnd
{
public :

myframe( ) ;
int OnCreate ( LPCREATESTRUCT l ) ;

DECLARE_MESSAGE_MAP( )
} ;

// Give a name as " myapp.cpp "

#include <afxwin.h>
#include "myapp.h"
#include "myframe.h"

myapp a ;

BOOL myapp::InitInstance( )
{
myframe *p ;
p = new myframe ;
m_pMainWnd = p ;

p -> ShowWindow ( SW_SHOWMAXIMIZED ) ;

return TRUE ;
}

// Give a name as "myframe.cpp "

#include <afxwin.h>
#include "myframe.h"

BEGIN_MESSAGE_MAP ( myframe, CFrameWnd )
ON_WM_CREATE( )
END_MESSAGE_MAP( )

myframe::myframe( )
{
Create ( 0, "Runtime Class" ) ;
}

int myframe::OnCreate ( LPCREATESTRUCT l )
{
CFrameWnd::OnCreate ( l ) ;

CRuntimeClass *ptr ;
ptr = RUNTIME_CLASS ( CFrameWnd ) ;
char str[100] ;
sprintf ( str, "%s", ptr -> m_lpszClassName ) ;
MessageBox ( str, "Class Name" ) ;

return 0 ;
}

// Output