书上有一章节是讲对话框的，主要是讲OpenFileName和SaveFileName这两个函数
不过书上的程序在编译时有点问题
.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\comdlg32.inc
includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\comdlg32.lib
.const
IDM_OPEN equ 1
IDM_EXIT equ 2
MAXSIZE equ 260
OUTPUTSIZE equ 512
.data
ClassName db "SimpleWinClass",0
AppName db "Our Main Window",0
MenuName db "FirstMenu",0
ofn OPENFILENAME <>
FilterString db "All Files",0,"*.*",0
db "Text Files",0,"*.txt",0,0
buffer db MAXSIZE dup(0)
OurTitle db "-=Our First Open File Dialog Box=-: Choose the file to open",0
FullPathName db "The Full Filename with Path is: ",0
FullName db "The Filename is: ",0
ExtensionName db "The Extension is: ",0
OutputString db OUTPUTSIZE dup(0)
CrLf db 0Dh,0Ah,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,COLOR_WINDOW+1
mov wc.lpszMenuName,OFFSET MenuName
mov wc.lpszClassName,OFFSET ClassName
invoke LoadIcon,NULL,IDI_APPLICATION
mov wc.hIcon,eax
mov wc.hIconSm,eax
invoke LoadCursor,NULL,IDC_ARROW
mov wc.hCursor,eax
invoke RegisterClassEx, addr wc
invoke CreateWindowEx,WS_EX_CLIENTEDGE,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
.IF uMsg==WM_DESTROY
invoke PostQuitMessage,NULL
.ELSEIF uMsg==WM_COMMAND
mov eax,wParam
.if ax==IDM_OPEN
mov ofn.lStructSize,SIZEOF ofn
push hWnd
pop ofn.hwndOwner
push hInstance
pop ofn.hInstance
mov ofn.lpstrFilter, OFFSET FilterString
mov ofn.lpstrFile, OFFSET buffer
mov ofn.nMaxFile,MAXSIZE
mov ofn.Flags, OFN_FILEMUSTEXIST or \
OFN_PATHMUSTEXIST or OFN_LONGNAMES or\
OFN_EXPLORER or OFN_HIDEREADONLY
mov ofn.lpstrTitle, OFFSET OurTitle
invoke GetOpenFileName, ADDR ofn
.if eax==TRUE
invoke lstrcat,offset OutputString,OFFSET FullPathName
invoke lstrcat,offset OutputString,ofn.lpstrFile
invoke lstrcat,offset OutputString,offset CrLf
invoke lstrcat,offset OutputString,offset FullName
mov eax,ofn.lpstrFile
push ebx
xor ebx,ebx
mov bx,ofn.nFileOffset
add eax,ebx
pop ebx
invoke lstrcat,offset OutputString,eax
invoke lstrcat,offset OutputString,offset CrLf
invoke lstrcat,offset OutputString,offset ExtensionName
mov eax,ofn.lpstrFile
push ebx
xor ebx,ebx
mov bx,ofn.nFileExtension
add eax,ebx
pop ebx
invoke lstrcat,offset OutputString,eax
invoke MessageBox,hWnd,OFFSET OutputString,ADDR AppName,MB_OK
invoke RtlZeroMemory,offset OutputString,OUTPUTSIZE
.endif
.else
invoke DestroyWindow, hWnd
.endif
.ELSE
invoke DefWindowProc,hWnd,uMsg,wParam,lParam
ret
.ENDIF
xor eax,eax
ret
WndProc endp
end start
///////////////////////////////////////////////////////////////////////
Assembling: a.asm
a.asm(93) : error A2006: undefined symbol : hwndOwner
请问怎么解决？
//////////////////////////////////////////////////////////////////
什么叫“过滤模式字符串”，没弄明白
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