~cpp 
class CEx14App : public CWinApp
{
public:
	CEx14App();

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CEx14App)
	public:
	virtual BOOL InitInstance();
	//}}AFX_VIRTUAL

	// ��������� ������ ��������� ������������.
// Implementation
	//{{AFX_MSG(CEx14App)
	afx_msg void OnAppAbout();		// ������������ ������������ 기��� ��������������� ��������� ID_APP_ABOUT ��������� ������ ������������ �������� ������������.
		// NOTE - the ClassWizard will add and remove member functions here.
		//    DO NOT EDIT what you see in these blocks of generated code !
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()		// ��������� ������ ��������� ��������������� ��������� ��� ��������� �������� ��������������� ������.
								// ������������ ��������� ������ �����������고 ��������� ��������� ��� ��������� �����������������.
};

������������ ��������� ��� ������ ������������ MFC��� 계���구������ CCmdTarget ������������ ������������ ��������������� ������������ �����������.

~cpp 
BEGIN_MESSAGE_MAP(CEx14App, CWinApp)
	//{{AFX_MSG_MAP(CEx14App)
	ON_COMMAND(ID_APP_ABOUT, OnAppAbout)
		// NOTE - the ClassWizard will add and remove mapping macros here.
		//    DO NOT EDIT what you see in these blocks of generated code!
	//}}AFX_MSG_MAP
	// Standard file based document commands
	ON_COMMAND(ID_FILE_NEW, CWinApp::OnFileNew)
	ON_COMMAND(ID_FILE_OPEN, CWinApp::OnFileOpen)
	// Standard print setup command
	ON_COMMAND(ID_FILE_PRINT_SETUP, CWinApp::OnFilePrintSetup)
END_MESSAGE_MAP()

������������ ������ ��������� DECLARE_MESSAGE_MAP()��� ��������������� 그 ������������ 구��� ������������ ��������� BEGIN_MESSAGE_MAP(), END_MESSAGE_MAP()����������� ��������� �������������� ������. ��� ��������������� WM_COMMAND ��������� 갖��� ��������� ������ ���������고 ������.
ON_COMMAND() ��������� ��������� ��������� ��������� ���������(ID_..)��� ������ ��������� ������������ ��������� ������.

~cpp 
class CAboutDlg : public CDialog
{
public:
	CAboutDlg();

// Dialog Data
	//{{AFX_DATA(CAboutDlg)
	enum { IDD = IDD_ABOUTBOX };
	//}}AFX_DATA

	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CAboutDlg)
	protected:
	virtual void DoDataExchange(CDataExchange* pDX);    // DDX/DDV support
	//}}AFX_VIRTUAL

// Implementation
protected:
	//{{AFX_MSG(CAboutDlg)
		// No message handlers
	//}}AFX_MSG
	DECLARE_MESSAGE_MAP()
};

CAboutDlg::CAboutDlg() : CDialog(CAboutDlg::IDD)
{
	//{{AFX_DATA_INIT(CAboutDlg)
	//}}AFX_DATA_INIT
}

void CAboutDlg::DoDataExchange(CDataExchange* pDX)
{
	CDialog::DoDataExchange(pDX);
	//{{AFX_DATA_MAP(CAboutDlg)
	//}}AFX_DATA_MAP
}

BEGIN_MESSAGE_MAP(CAboutDlg, CDialog)
	//{{AFX_MSG_MAP(CAboutDlg)
		// No message handlers
	//}}AFX_MSG_MAP
END_MESSAGE_MAP()

// App command to run the dialog
void CEx14App::OnAppAbout()
{
	CAboutDlg aboutDlg;
	aboutDlg.DoModal();
}

���게��� CAboutDlg ��� ���기��� �������� ��������������� ������������ ��������� ��� ��� ������.

WM_COMMAND������������ ��������������� ��������� ������ ������������ ������. ������ ������과 �����.
그��� ���고��� ������ ��������� ��������� ��������������� ������������.
in winuser.h

~cpp 
/*
 * Window Messages
 */

#define WM_NULL                         0x0000
#define WM_CREATE                       0x0001
#define WM_DESTROY                      0x0002
#define WM_MOVE                         0x0003
#define WM_SIZE                         0x0005

#define WM_ACTIVATE                     0x0006
/*
 * WM_ACTIVATE state values
 */
#define     WA_INACTIVE     0
#define     WA_ACTIVE       1
#define     WA_CLICKACTIVE  2

#define WM_SETFOCUS                     0x0007
#define WM_KILLFOCUS                    0x0008
#define WM_ENABLE                       0x000A
#define WM_SETREDRAW                    0x000B
#define WM_SETTEXT                      0x000C
#define WM_GETTEXT                      0x000D
#define WM_GETTEXTLENGTH                0x000E
#define WM_PAINT                        0x000F
#define WM_CLOSE                        0x0010
#define WM_QUERYENDSESSION              0x0011
#define WM_QUIT                         0x0012
#define WM_QUERYOPEN                    0x0013
#define WM_ERASEBKGND                   0x0014
#define WM_SYSCOLORCHANGE               0x0015
#define WM_ENDSESSION                   0x0016
#define WM_SHOWWINDOW                   0x0018
#define WM_WININICHANGE                 0x001A
#if(WINVER >= 0x0400)
#define WM_SETTINGCHANGE                WM_WININICHANGE
#endif /* WINVER >= 0x0400 */


#define WM_DEVMODECHANGE                0x001B
#define WM_ACTIVATEAPP                  0x001C
#define WM_FONTCHANGE                   0x001D
#define WM_TIMECHANGE                   0x001E
#define WM_CANCELMODE                   0x001F
#define WM_SETCURSOR                    0x0020
#define WM_MOUSEACTIVATE                0x0021
#define WM_CHILDACTIVATE                0x0022
#define WM_QUEUESYNC                    0x0023

#define WM_GETMINMAXINFO                0x0024
// end_r_winuser
/*
 * Struct pointed to by WM_GETMINMAXINFO lParam
 */
typedef struct tagMINMAXINFO {
    POINT ptReserved;
    POINT ptMaxSize;
    POINT ptMaxPosition;
    POINT ptMinTrackSize;
    POINT ptMaxTrackSize;
} MINMAXINFO, *PMINMAXINFO, *LPMINMAXINFO;

// begin_r_winuser
#define WM_PAINTICON                    0x0026
#define WM_ICONERASEBKGND               0x0027
#define WM_NEXTDLGCTL                   0x0028
#define WM_SPOOLERSTATUS                0x002A
#define WM_DRAWITEM                     0x002B
#define WM_MEASUREITEM                  0x002C
#define WM_DELETEITEM                   0x002D
#define WM_VKEYTOITEM                   0x002E
#define WM_CHARTOITEM                   0x002F
#define WM_SETFONT                      0x0030
#define WM_GETFONT                      0x0031
#define WM_SETHOTKEY                    0x0032
#define WM_GETHOTKEY                    0x0033
#define WM_QUERYDRAGICON                0x0037
#define WM_COMPAREITEM                  0x0039
#if(WINVER >= 0x0500)
#define WM_GETOBJECT                    0x003D
#endif /* WINVER >= 0x0500 */
#define WM_COMPACTING                   0x0041
#define WM_COMMNOTIFY                   0x0044  /* no longer suported */
#define WM_WINDOWPOSCHANGING            0x0046
#define WM_WINDOWPOSCHANGED             0x0047

#define WM_POWER                        0x0048
/*
 * wParam for WM_POWER window message and DRV_POWER driver notification
 */
#define PWR_OK              1
#define PWR_FAIL            (-1)
#define PWR_SUSPENDREQUEST  1
#define PWR_SUSPENDRESUME   2
#define PWR_CRITICALRESUME  3

#define WM_COPYDATA                     0x004A
#define WM_CANCELJOURNAL                0x004B

// end_r_winuser

/*
 * lParam of WM_COPYDATA message points to...
 */
typedef struct tagCOPYDATASTRUCT {
    DWORD dwData;
    DWORD cbData;
    PVOID lpData;
} COPYDATASTRUCT, *PCOPYDATASTRUCT;

// begin_r_winuser

#if(WINVER >= 0x0400)
#define WM_NOTIFY                       0x004E
#define WM_INPUTLANGCHANGEREQUEST       0x0050
#define WM_INPUTLANGCHANGE              0x0051
#define WM_TCARD                        0x0052
#define WM_HELP                         0x0053
#define WM_USERCHANGED                  0x0054
#define WM_NOTIFYFORMAT                 0x0055

#define NFR_ANSI                             1
#define NFR_UNICODE                          2
#define NF_QUERY                             3
#define NF_REQUERY                           4

#define WM_CONTEXTMENU                  0x007B
#define WM_STYLECHANGING                0x007C
#define WM_STYLECHANGED                 0x007D
#define WM_DISPLAYCHANGE                0x007E
#define WM_GETICON                      0x007F
#define WM_SETICON                      0x0080
#endif /* WINVER >= 0x0400 */

#define WM_NCCREATE                     0x0081
#define WM_NCDESTROY                    0x0082
#define WM_NCCALCSIZE                   0x0083
#define WM_NCHITTEST                    0x0084
#define WM_NCPAINT                      0x0085
#define WM_NCACTIVATE                   0x0086
#define WM_GETDLGCODE                   0x0087
#define WM_SYNCPAINT                    0x0088
#define WM_NCMOUSEMOVE                  0x00A0
#define WM_NCLBUTTONDOWN                0x00A1
#define WM_NCLBUTTONUP                  0x00A2
#define WM_NCLBUTTONDBLCLK              0x00A3
#define WM_NCRBUTTONDOWN                0x00A4
#define WM_NCRBUTTONUP                  0x00A5
#define WM_NCRBUTTONDBLCLK              0x00A6
#define WM_NCMBUTTONDOWN                0x00A7
#define WM_NCMBUTTONUP                  0x00A8
#define WM_NCMBUTTONDBLCLK              0x00A9

#define WM_KEYFIRST                     0x0100
#define WM_KEYDOWN                      0x0100
#define WM_KEYUP                        0x0101
#define WM_CHAR                         0x0102
#define WM_DEADCHAR                     0x0103
#define WM_SYSKEYDOWN                   0x0104
#define WM_SYSKEYUP                     0x0105
#define WM_SYSCHAR                      0x0106
#define WM_SYSDEADCHAR                  0x0107
#define WM_KEYLAST                      0x0108

#if(WINVER >= 0x0400)
#define WM_IME_STARTCOMPOSITION         0x010D
#define WM_IME_ENDCOMPOSITION           0x010E
#define WM_IME_COMPOSITION              0x010F
#define WM_IME_KEYLAST                  0x010F
#endif /* WINVER >= 0x0400 */

#define WM_INITDIALOG                   0x0110
#define WM_COMMAND                      0x0111
#define WM_SYSCOMMAND                   0x0112
#define WM_TIMER                        0x0113
#define WM_HSCROLL                      0x0114
#define WM_VSCROLL                      0x0115
#define WM_INITMENU                     0x0116
#define WM_INITMENUPOPUP                0x0117
#define WM_MENUSELECT                   0x011F
#define WM_MENUCHAR                     0x0120
#define WM_ENTERIDLE                    0x0121
#if(WINVER >= 0x0500)
#define WM_MENURBUTTONUP                0x0122
#define WM_MENUDRAG                     0x0123
#define WM_MENUGETOBJECT                0x0124
#define WM_UNINITMENUPOPUP              0x0125
#define WM_MENUCOMMAND                  0x0126
#endif /* WINVER >= 0x0500 */


#define WM_CTLCOLORMSGBOX               0x0132
#define WM_CTLCOLOREDIT                 0x0133
#define WM_CTLCOLORLISTBOX              0x0134
#define WM_CTLCOLORBTN                  0x0135
#define WM_CTLCOLORDLG                  0x0136
#define WM_CTLCOLORSCROLLBAR            0x0137
#define WM_CTLCOLORSTATIC               0x0138


#define WM_MOUSEFIRST                   0x0200
#define WM_MOUSEMOVE                    0x0200
#define WM_LBUTTONDOWN                  0x0201
#define WM_LBUTTONUP                    0x0202
#define WM_LBUTTONDBLCLK                0x0203
#define WM_RBUTTONDOWN                  0x0204
#define WM_RBUTTONUP                    0x0205
#define WM_RBUTTONDBLCLK                0x0206
#define WM_MBUTTONDOWN                  0x0207
#define WM_MBUTTONUP                    0x0208
#define WM_MBUTTONDBLCLK                0x0209

#if (_WIN32_WINNT >= 0x0400) || (_WIN32_WINDOWS > 0x0400)
#define WM_MOUSEWHEEL                   0x020A
#define WM_MOUSELAST                    0x020A
#else
#define WM_MOUSELAST                    0x0209
#endif /* if (_WIN32_WINNT < 0x0400) */

#if(_WIN32_WINNT >= 0x0400)
#define WHEEL_DELTA                     120     /* Value for rolling one detent */
#endif /* _WIN32_WINNT >= 0x0400 */
#if(_WIN32_WINNT >= 0x0400)
#define WHEEL_PAGESCROLL                (UINT_MAX) /* Scroll one page */
#endif /* _WIN32_WINNT >= 0x0400 */

#define WM_PARENTNOTIFY                 0x0210
#define WM_ENTERMENULOOP                0x0211
#define WM_EXITMENULOOP                 0x0212

#if(WINVER >= 0x0400)
#define WM_NEXTMENU                     0x0213
// end_r_winuser

typedef struct tagMDINEXTMENU
{
    HMENU   hmenuIn;
    HMENU   hmenuNext;
    HWND    hwndNext;
} MDINEXTMENU, * PMDINEXTMENU, FAR * LPMDINEXTMENU;

// begin_r_winuser
#define WM_SIZING                       0x0214
#define WM_CAPTURECHANGED               0x0215
#define WM_MOVING                       0x0216
// end_r_winuser
#define WM_POWERBROADCAST               0x0218      // r_winuser pbt
// begin_pbt

#define PBT_APMQUERYSUSPEND             0x0000
#define PBT_APMQUERYSTANDBY             0x0001

#define PBT_APMQUERYSUSPENDFAILED       0x0002
#define PBT_APMQUERYSTANDBYFAILED       0x0003

#define PBT_APMSUSPEND                  0x0004
#define PBT_APMSTANDBY                  0x0005

#define PBT_APMRESUMECRITICAL           0x0006
#define PBT_APMRESUMESUSPEND            0x0007
#define PBT_APMRESUMESTANDBY            0x0008

#define PBTF_APMRESUMEFROMFAILURE       0x00000001

#define PBT_APMBATTERYLOW               0x0009
#define PBT_APMPOWERSTATUSCHANGE        0x000A

#define PBT_APMOEMEVENT                 0x000B
#define PBT_APMRESUMEAUTOMATIC          0x0012
// end_pbt

// begin_r_winuser
#define WM_DEVICECHANGE                 0x0219

#endif /* WINVER >= 0x0400 */

#define WM_MDICREATE                    0x0220
#define WM_MDIDESTROY                   0x0221
#define WM_MDIACTIVATE                  0x0222
#define WM_MDIRESTORE                   0x0223
#define WM_MDINEXT                      0x0224
#define WM_MDIMAXIMIZE                  0x0225
#define WM_MDITILE                      0x0226
#define WM_MDICASCADE                   0x0227
#define WM_MDIICONARRANGE               0x0228
#define WM_MDIGETACTIVE                 0x0229


#define WM_MDISETMENU                   0x0230
#define WM_ENTERSIZEMOVE                0x0231
#define WM_EXITSIZEMOVE                 0x0232
#define WM_DROPFILES                    0x0233
#define WM_MDIREFRESHMENU               0x0234


#if(WINVER >= 0x0400)
#define WM_IME_SETCONTEXT               0x0281
#define WM_IME_NOTIFY                   0x0282
#define WM_IME_CONTROL                  0x0283
#define WM_IME_COMPOSITIONFULL          0x0284
#define WM_IME_SELECT                   0x0285
#define WM_IME_CHAR                     0x0286
#endif /* WINVER >= 0x0400 */
#if(WINVER >= 0x0500)
#define WM_IME_REQUEST                  0x0288
#endif /* WINVER >= 0x0500 */
#if(WINVER >= 0x0400)
#define WM_IME_KEYDOWN                  0x0290
#define WM_IME_KEYUP                    0x0291
#endif /* WINVER >= 0x0400 */


#if(_WIN32_WINNT >= 0x0400)
#define WM_MOUSEHOVER                   0x02A1
#define WM_MOUSELEAVE                   0x02A3
#endif /* _WIN32_WINNT >= 0x0400 */

#define WM_CUT                          0x0300
#define WM_COPY                         0x0301
#define WM_PASTE                        0x0302
#define WM_CLEAR                        0x0303
#define WM_UNDO                         0x0304
#define WM_RENDERFORMAT                 0x0305
#define WM_RENDERALLFORMATS             0x0306
#define WM_DESTROYCLIPBOARD             0x0307
#define WM_DRAWCLIPBOARD                0x0308
#define WM_PAINTCLIPBOARD               0x0309
#define WM_VSCROLLCLIPBOARD             0x030A
#define WM_SIZECLIPBOARD                0x030B
#define WM_ASKCBFORMATNAME              0x030C
#define WM_CHANGECBCHAIN                0x030D
#define WM_HSCROLLCLIPBOARD             0x030E
#define WM_QUERYNEWPALETTE              0x030F
#define WM_PALETTEISCHANGING            0x0310
#define WM_PALETTECHANGED               0x0311
#define WM_HOTKEY                       0x0312

#if(WINVER >= 0x0400)
#define WM_PRINT                        0x0317
#define WM_PRINTCLIENT                  0x0318

#define WM_HANDHELDFIRST                0x0358
#define WM_HANDHELDLAST                 0x035F

#define WM_AFXFIRST                     0x0360
#define WM_AFXLAST                      0x037F
#endif /* WINVER >= 0x0400 */

#define WM_PENWINFIRST                  0x0380
#define WM_PENWINLAST                   0x038F


#if(WINVER >= 0x0400)
#define WM_APP                          0x8000
#endif /* WINVER >= 0x0400 */


/*
 * NOTE: All Message Numbers below 0x0400 are RESERVED.
 *
 * Private Window Messages Start Here:
 */
#define WM_USER                         0x0400

#if(WINVER >= 0x0400)

/*  wParam for WM_SIZING message  */
#define WMSZ_LEFT           1
#define WMSZ_RIGHT          2
#define WMSZ_TOP            3
#define WMSZ_TOPLEFT        4
#define WMSZ_TOPRIGHT       5
#define WMSZ_BOTTOM         6
#define WMSZ_BOTTOMLEFT     7
#define WMSZ_BOTTOMRIGHT    8
#endif /* WINVER >= 0x0400 */

#ifndef NONCMESSAGES