Listing 1: The CWndApp Class header and source (app.h and app.c)

/* app.h */
typedef struct _CWndApp
{
CWndMenu objWndMenu;
} CWndApp;
/* Application Object */
extern CWndApp objWndApp;
/* app.c */
#include "resource.h"
/* Application Object */
CWinApp objWinApp;