Extracting menu name from another process

Article View: borland.public.cppbuilder.nativeapi

Article #10532

Back to borland.public.cppbuilder.nativeapi Previous Next

#10532

From: jp
Date: Thu, 01 Apr 2004 22:56

25 lines
1691 bytes

Gives an access violation in user32.dll
void getMenuItem(HWND hWndMenu)
{
HMENU menu = GetMenu(hWndMenu);
MENUITEMINFO mi, *_mi; unsigned long pid;
HANDLE process;

GetWindowThreadProcessId(hWndMenu, &pid);
process=OpenProcess
(PROCESS_VM_OPERATION|PROCESS_VM_READ|PROCESS_VM_WRITE|PROCESS_QUERY_INFORMA
TION, FALSE, pid);
_mi=(MENUITEMINFO*)VirtualAllocEx(process, NULL, sizeof(MENUITEMINFO),
MEM_COMMIT, PAGE_READWRITE);

ZeroMemory(&mi, sizeof(MENUITEMINFO));

mi.cbSize = sizeof(MENUITEMINFO);
mi.fMask = MIIM_TYPE;
mi.fType = MFT_STRING;
mi.dwTypeData=NULL;
WriteProcessMemory(process, _mi, &mi, sizeof(MENUITEMINFO), NULL);
// this fails GetMenuItemInfo(menu, 1, true, _mi);
ReadProcessMemory(process, _mi, mi, sizeof(MENUITEMINFO), NULL);
int size = mi.cch;
VirtualFreeEx(process, _mi, 0, MEM_RELEASE);

Technical Details

Message-ID: <406c9e67$1@newsgroups.borland.com>

Path:

arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail

Show Full Headers

Complete Article Headers

X-Google-Language: ENGLISH,ASCII-7-bit
X-Google-Thread: 10cc67,9000e433ab0a74c6,start
X-Google-Attributes: gid10cc67,public
X-Google-ArrivalTime: 2004-04-01 15:10:17 PST
From: "jp" <jphillips_2003@hotmail.com>
Newsgroups: borland.public.cppbuilder.nativeapi
Subject: Extracting menu name from another process
Date: Thu, 1 Apr 2004 14:56:04 -0800
Lines: 29
X-Priority: 3
X-MSMail-Priority: Normal
X-Newsreader: Microsoft Outlook Express 6.00.2720.3000
X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2727.1300
NNTP-Posting-Host: 12.162.10.2
Message-ID: <406c9e67$1@newsgroups.borland.com>
X-Trace: newsgroups.borland.com 1080860263 12.162.10.2 (1 Apr 2004 14:57:43 -0800)
Path: arc1-ca.pugleaf.net!archiver1.google.com!news2.google.com!news.maxwell.syr.edu!newsfeed00.sul.t-online.de!newsfeed01.sul.t-online.de!t-online.de!newsgroups.borland.com!not-for-mail