获取其它进程窗口中的状态栏信息（FindWindowEx GetWindowThreadProcessId OpenProcess SendMessage轮番轰炸）

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1. HWND hWnd = ::FindWindow(NULL, _T("XXXXX"));
2. if(NULL == hWnd)
3. {
4. return ;
5. }
6. HWND hWndStatusBar = ::FindWindowEx(hWnd, NULL, _T("msctls_statusbar32"), NULL);
7. if(NULL == hWndStatusBar)
8. {
9. return ;
10. }
11. DWORD dwProcessId = 0;
12. GetWindowThreadProcessId(hWnd, &dwProcessId);
13. HANDLE hProcess = OpenProcess(PROCESS_VM_OPERATION | PROCESS_VM_READ | PROCESS_VM_WRITE, FALSE, dwProcessId);
14. if(NULL == hProcess)
15. {
16. return ;
17. }
18. LRESULT nCount = ::SendMessage(hWndStatusBar, SB_GETPARTS, 0, 0);
19. LPVOID pBuf = VirtualAllocEx(hProcess, NULL, MAX_PATH, MEM_RESERVE | MEM_COMMIT, PAGE_READWRITE);
20. if(NULL != pBuf)
21. {
22. TCHAR buf[MAX_PATH] = {0};
23. DWORD dwRead = 0;
24. for(int i=0; i<(int)nCount; i++)
25. {
26. ::SendMessage(hWndStatusBar, SB_GETTEXT, i, (LPARAM)pBuf);
27. if(ReadProcessMemory(hProcess, pBuf, buf, sizeof(buf), &dwRead))
28. {
29. AfxMessageBox(buf);
30. }
31. }
32. VirtualFreeEx(hProcess, pBuf, 0, MEM_RELEASE);
33. }
34. CloseHandle(hProcess);

http://blog.csdn.net/visualeleven/article/details/7286517