WIN32汇编－第一个窗口程序

.386

.model flat,stdcall

option casemap:none

include windows.inc

include user32.inc

include kernel32.inc

includelib user32.lib

includelib kernel32.lib

.const

szClassName db 'MyWindow',0

szWinName db '第一个汇编窗口',0

szHello db 'Hello',0

.data?

hInstance dd ?

hWinMain dd ?

.code

_WindowProc proc uses ebx esi edi,hwnd,uMsg,wParam,lParam

LOCAL @stPaint:PAINTSTRUCT

LOCAL @stRect:RECT

LOCAL @hdc

;mov eax,uMsg

.if uMsg == WM_CLOSE

invoke DestroyWindow,hWinMain

invoke PostQuitMessage,NULL

.elseif uMsg == WM_PAINT

invoke BeginPaint,hWinMain,addr @stPaint

mov @hdc,eax

invoke GetClientRect,hWinMain,addr @stRect

invoke DrawText,@hdc,offset szHello,-1,addr @stRect,DT_SINGLELINE or DT_CENTER or DT_VCENTER

invoke EndPaint,hWinMain,addr @stPaint

.else

invoke DefWindowProc,hwnd,uMsg,wParam,lParam

;ret ;这里注释掉后功能正常

.endif

;xor eax,eax ;这里注释掉后功能正常

ret

_WindowProc endp

_Main proc

LOCAL @stWndClass:WNDCLASSEX

LOCAL @stMsg:MSG

invoke GetModuleHandle,NULL

mov hInstance,eax

invoke RtlZeroMemory,addr @stWndClass,sizeof @stWndClass

invoke LoadCursor,NULL,IDC_ARROW

push hInstance

pop @stWndClass.hInstance

mov @stWndClass.cbSize,sizeof @stWndClass

mov @stWndClass.style,CS_VREDRAW or CS_HREDRAW

mov @stWndClass.lpfnWndProc,offset _WindowProc

mov @stWndClass.hbrBackground,COLOR_WINDOW + 1

mov @stWndClass.lpszClassName,offset szClassName

invoke RegisterClassEx,addr @stWndClass

invoke CreateWindowEx,WS_EX_CLIENTEDGE,\

offset szClassName,

offset szWinName,

WS_OVERLAPPEDWINDOW,

CW_USEDEFAULT,

CW_USEDEFAULT,

CW_USEDEFAULT,

CW_USEDEFAULT,

NULL,NULL,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 TranslateMessage,addr @stMsg

invoke DispatchMessage,addr @stMsg

.endw

ret

_Main endp

start:

invoke _Main

invoke ExitProcess,NULL

end start

==========================================================================

以上程序摘自罗云彬的《Windows环境下32位汇编语言程序设计－琢石成器》

源代码通过Radasm编译运行通过