www.pudn.com > JMYJM.rar > PE_Offset.Asm

.386 
.model flat,stdcall 
option casemap:none 
 
WinMain proto :DWORD,:DWORD,:DWORD,:DWORD 
 
 
include \masm32\include\windows.inc 
include \masm32\include\user32.inc 
include \masm32\include\kernel32.inc 
include \masm32\include\gdi32.inc 
includelib \masm32\lib\user32.lib 
includelib \masm32\lib\kernel32.lib 
includelib \masm32\lib\gdi32.lib 
 
.data 
ClassName db "Chap201",0 
AppName  db "www.PEDIY.com",0 
OurText  db "这是一个理解教学里虚拟地址（VA）与文件偏移地址（File Offset）的例程。",0 
.data? 
hInstance HINSTANCE ? 
CommandLine LPSTR ? 
.code 
start: 
	invoke GetModuleHandle, NULL 
	mov    hInstance,eax 
	invoke GetCommandLine 
	mov CommandLine,eax 
	invoke WinMain, hInstance,NULL,CommandLine, SW_SHOWDEFAULT 
	invoke ExitProcess,eax 
	 
WinMain proc hInst:HINSTANCE,hPrevInst:HINSTANCE,CmdLine:LPSTR,CmdShow:DWORD 
	LOCAL wc:WNDCLASSEX 
	LOCAL msg:MSG 
	LOCAL hwnd:HWND 
	 
	mov   wc.cbSize,SIZEOF WNDCLASSEX 
	mov   wc.style, CS_HREDRAW or CS_VREDRAW 
	mov   wc.lpfnWndProc, OFFSET WndProc 
	mov   wc.cbClsExtra,NULL 
	mov   wc.cbWndExtra,NULL 
	push  hInst 
	pop   wc.hInstance 
	mov   wc.hbrBackground,(HBRUSH) (COLOR_BTNFACE+1) 
	mov   wc.lpszMenuName,NULL 
	mov   wc.lpszClassName,OFFSET ClassName 
	invoke LoadIcon,NULL,IDI_APPLICATION 
	mov   wc.hIcon,eax 
	mov   wc.hIconSm,0 
	invoke LoadCursor,NULL,IDC_ARROW 
	mov   wc.hCursor,eax 
	invoke RegisterClassEx, addr wc 
	INVOKE CreateWindowEx,NULL,ADDR ClassName,ADDR AppName,\ 
			WS_OVERLAPPEDWINDOW,CW_USEDEFAULT,\ 
           CW_USEDEFAULT,300,200,NULL,NULL,\ 
           hInst,NULL 
	mov   hwnd,eax 
	INVOKE ShowWindow, hwnd,SW_SHOWNORMAL 
	INVOKE UpdateWindow, hwnd 
	.WHILE TRUE 
                INVOKE GetMessage, ADDR msg,NULL,0,0 
                .BREAK .IF (!eax) 
                INVOKE TranslateMessage, ADDR msg 
                INVOKE DispatchMessage, ADDR msg 
	.ENDW 
	mov     eax,msg.wParam 
	ret 
WinMain endp 
WndProc proc hWnd:HWND, uMsg:UINT, wParam:WPARAM, lParam:LPARAM 
	LOCAL hdc:HDC 
	LOCAL ps:PAINTSTRUCT 
	LOCAL rect:RECT 
 
	.IF uMsg==WM_DESTROY 
		invoke PostQuitMessage,NULL 
	.ELSEIF uMsg==WM_PAINT 
		invoke BeginPaint,hWnd, ADDR ps 
		mov    hdc,eax 
		invoke GetSysColor,COLOR_BTNFACE 
		invoke SetBkColor,hdc,eax 
		invoke GetClientRect,hWnd, ADDR rect 
		invoke DrawText, hdc,ADDR OurText,-1, ADDR rect, DT_VCENTER or DT_WORDBREAK 
		invoke EndPaint,hWnd, ADDR ps 
	.ELSE 
		invoke DefWindowProc,hWnd,uMsg,wParam,lParam 
		ret 
	.ENDIF 
	xor    eax,eax 
	ret 
WndProc endp 
end start