我想问下这里面的2个子程序太复杂了`前辈们帮忙解说下
（_ProcWinMain）（_WinMain） 里面的东西都可以拿来做什么用？

;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; Sample code for < Win32ASM Programming 2nd Edition>
; by 罗云彬, http://asm.
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; FirstWindow.asm
; 窗口程序的模板代码
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 使用 nmake 或下列命令进行编译和链接:
; ml /c /coff FirstWindow.asm
; Link /subsystem:windows FirstWindow.obj
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
        .386
        .model flat,stdcall
        option casemap:none
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; Include 文件定义
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
include        windows.inc
include        gdi32.inc
includelib    gdi32.lib
include        user32.inc
includelib    user32.lib
include        kernel32.inc
includelib    kernel32.lib
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 数据段
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
        .data?
hInstance    dd        ?
hWinMain    dd        ?

        .const
szClassName    db    'MyClass',0
szCaptionMain    db    'My first Window !',0
szText        db    'Win32 Assembly, Simple and powerful !',0
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 代码段
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
        .code
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
; 窗口过程
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_ProcWinMain    proc    uses ebx edi esi hWnd,uMsg,wParam,lParam
        local    @stPs:PAINTSTRUCT
        local    @stRect:RECT
        local    @hDc

        mov    eax,uMsg
;********************************************************************
        .if    eax ==    WM_PAINT
            invoke    BeginPaint,hWnd,addr @stPs
            mov    @hDc,eax

            invoke    GetClientRect,hWnd,addr @stRect
            invoke    DrawText,@hDc,addr szText,-1,\
                addr @stRect,\
                DT_SINGLELINE or DT_CENTER or DT_VCENTER

            invoke    EndPaint,hWnd,addr @stPs
;********************************************************************
        .elseif    eax ==    WM_CLOSE
            invoke    DestroyWindow,hWinMain
            invoke    PostQuitMessage,NULL
;********************************************************************
        .else
            invoke    DefWindowProc,hWnd,uMsg,wParam,lParam
            ret
        .endif
;********************************************************************
        xor    eax,eax
        ret

_ProcWinMain    endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
_WinMain    proc
        local    @stWndClass:WNDCLASSEX
        local    @stMsg:MSG

        invoke    GetModuleHandle,NULL
        mov    hInstance,eax
        invoke    RtlZeroMemory,addr @stWndClass,sizeof @stWndClass
;********************************************************************
; 注册窗口类
;********************************************************************
        invoke    LoadCursor,0,IDC_ARROW
        mov    @stWndClass.hCursor,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
;********************************************************************
; 建立并显示窗口
;********************************************************************
        invoke    CreateWindowEx,WS_EX_CLIENTEDGE,offset szClassName,offset szCaptionMain,\
            WS_OVERLAPPEDWINDOW,\
            100,100,600,400,\
            NULL,NULL,hInstance,NULL
        mov    hWinMain,eax
        invoke    ShowWindow,hWinMain,SW_SHOWNORMAL
        invoke    UpdateWindow,hWinMain
;********************************************************************
; 消息循环
;********************************************************************
        .while    TRUE
            invoke    GetMessage,addr @stMsg,NULL,0,0
            .break    .if eax    == 0
            invoke    TranslateMessage,addr @stMsg
            invoke    DispatchMessage,addr @stMsg
        .endw
        ret

_WinMain    endp
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
start:
        call    _WinMain
        invoke    ExitProcess,NULL
;>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
        end    start

[[it] 本帖最后由 honker 于 2008-6-30 18:24 编辑 [/it]]