求教 罗云彬的菜单例题编译通过就是不显示菜单
罗云彬win32汇编的例题，编译通过了，运行就是不显示菜单。win7的32位系统，masm9.0，求教了附上程序：
.386
.model flat,stdcall
option casemap:none
include WINDOWS.INC
include user32.inc
includelib user32.lib
include kernel32.inc
includelib kernel32.lib
;EQU Define
ICO_MAIN equ 1000h;
IDM_MAIN equ 2000h;
IDA_MAIN equ 2000h;
IDM_OPEN equ 4101h;
IDM_OPTION equ 4102h;
IDM_EXIT equ 4103h;
IDM_SETFONT equ 4201h;
IDM_SETCOLOR equ 4202h;
IDM_INACT equ 4203h;
IDM_GRAY equ 4204h;
IDM_BIG equ 4205h;
IDM_SMALL equ 4206h;
IDM_LIST equ 4207h;
IDM_DETAIL equ 4208h;
IDM_TOOLBAR equ 4209h;
IDM_TOOLBARTEXT equ 4210h;
IDM_INPUTBAR equ 4211h;
IDM_STATUSBAR equ 4212h;
IDM_HELP equ 4301h;
IDM_ABOUT equ 4302h;
;end
.data?
hInstance dd ?
hWinMain dd ?
hMenu dd ?
hSubMenu dd ?
.const
szClassName db 'Menu Example',0
szCaptionMain db 'Menu',0
szMenuHelp db '帮助主题(&H)',0
szMenuAbout db '关于本程序(&A)...',0
szCaption db '菜单选择',0
szFormat db '选择了菜单命令:%08x',0
.code
_DisplayMenuItem Proc _dwCommandID
LOCAL @szBuffer[256]:byte
pushad
invoke wsprintf,addr @szBuffer,addr szFormat,_dwCommandID
invoke MessageBox,hWinMain,addr @szBuffer,offset szCaption,MB_OK
popad
ret
_DisplayMenuItem endp
_Quit Proc
invoke DestroyWindow,hWinMain
invoke PostQuitMessage,NULL
ret
_Quit endp
_ProcWinMain Proc uses ebx edi esi hWnd,uMsg,wParam,lParam
LOCAL @stPos:POINT
LOCAL @hSysMenu
mov eax,uMsg
.if eax==WM_CREATE
invoke GetSubMenu,hMenu,1
mov hSubMenu,eax
;add menu item
invoke GetSystemMenu,hWnd,FALSE
mov @hSysMenu,eax
invoke AppendMenu,@hSysMenu,MF_SEPARATOR,0,NULL
invoke AppendMenu,@hSysMenu,0,IDM_HELP,offset szMenuHelp
invoke AppendMenu,@hSysMenu,0,IDM_ABOUT,offset szMenuAbout
;process menu and fast key
.elseif eax==WM_COMMAND
invoke _DisplayMenuItem,wParam
mov eax,wParam
movzx eax,ax
.if eax==IDM_EXIT
call _Quit
.elseif eax>=IDM_TOOLBAR && eax<=IDM_STATUSBAR
mov ebx,eax
invoke GetMenuState,hMenu,ebx,MF_BYCOMMAND
.if eax ==MF_CHECKED
mov eax,MF_UNCHECKED
.ELSE
mov eax,MF_CHECKED
.endif
invoke CheckMenuItem,hMenu,ebx,eax
.elseif eax>=IDM_BIG && eax<=IDM_DETAIL
invoke CheckMenuRadioItem,hMenu,IDM_BIG,IDM_DETAIL,eax,MF_BYCOMMAND
.endif
;process system message
.ELSEIF eax==WM_SYSCOMMAND
mov eax,wParam
movzx eax,ax
.if eax==IDM_HELP || eax==IDM_ABOUT
invoke _DisplayMenuItem,wParam
.else
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.endif
;mouse right menu
.elseif eax == WM_RBUTTONDOWN
invoke GetCursorPos,addr @stPos
invoke TrackPopupMenu,hSubMenu,TPM_LEFTALIGN,\
@stPos.x,@stPos.y,NULL,hWnd,NULL
;close window
.elseif eax==WM_CLOSE
call _Quit
.else
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.endif
xor eax,eax
ret
_ProcWinMain endp
_WinMain proc
LOCAL @stWndClass: WNDCLASSEX
LOCAL @stMsg:MSG
LOCAL @hAccelerator
invoke GetModuleHandle,NULL
mov hInstance,eax
invoke LoadMenu,hInstance,IDM_MAIN
mov hMenu,eax
invoke LoadAccelerators,hInstance,IDA_MAIN
mov @hAccelerator,eax
invoke RtlZeroMemory,addr @stWndClass,sizeof @stWndClass
invoke LoadIcon,hInstance,ICO_MAIN
mov @stWndClass.hIcon,eax
mov @stWndClass.hIconSm,eax
push hInstance
pop @stWndClass.hInstance
mov @stWndClass.cbSize,sizeof WNDCLASSEX
mov @stWndClass.style,CS_HREDRAW OR CS_VREDRAW
mov @stWndClass.lpfnWndProc,offset _ProcWinMain
mov @stWndClass.hbrBackground,COLOR_WINDOW+1
mov @stWndClass.lpszClassName,offset szClassName
invoke RegisterClassEx,addr @stWndClass
invoke CreateWindowEx,WS_EX_CLIENTEDGE,offset szClassName,\
offset szCaptionMain,WS_OVERLAPPEDWINDOW,100,100,400,300,\
NULL,hMenu,hInstance,NULL
mov hWinMain,eax
invoke ShowWindow,hWinMain,SW_SHOWNORMAL
invoke UpdateWindow,hWinMain
.while TRUE
invoke GetMessage,addr @stMsg,NULL,0,0
.break .if eax == 0
invoke TranslateAccelerator,hWinMain,\
@hAccelerator,addr @stMsg
.if eax == 0
invoke TranslateMessage,addr @stMsg
invoke DispatchMessage,addr @stMsg
.endif
.endw
ret
_WinMain endp
start:
call _WinMain
invoke ExitProcess,NULL
END start
