win32汇编--第一个窗体程序
2020-12-13 05:06
标签:汇编 消息循环 GetMessage->TranslateMessage->DispatchMessage 从消息队列中获得一条消息->根据键盘按键的扫描码转换为ASCLL值->分发消息给USER.DLL,USER.DLL调用窗体过程处理消息 窗口过程 BeginPaint->GetClientRect->DrawText->EndPaint
win32汇编--第一个窗体程序 标签:汇编 原文地址:http://blog.csdn.net/soldiers5/article/details/37969017
参数:
.386
.model flat,stdcall
option casemap:none
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; Include 文件定义
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include windows.inc
include gdi32.inc
includelib gdi32.lib
include user32.inc
includelib user32.lib
include kernel32.inc
includelib kernel32.lib
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; 数据段
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.data?
hInstance dd ?
hWinMain dd ?
.const
szClassName db 'MyClass',0
szCaptionMain db 'My first Window!',0
szText db 'Win32 Assembly, Simple and powerful!',0
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; 代码段
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.code
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; 窗口过程
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_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
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_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
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start:
call _WinMain
invoke ExitProcess, NULL
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end start