获取桌面图标位置

用来干什么就不用说了，反正不是什么好事情 =v=

typedef struct _DESKTOP_ICON_INFO {
    LVITEMW item;
    WCHAR item_text[MAX_PATH];
    RECT rc;
} DESKTOP_ICON_INFO, *PDESKTOP_ICON_INFO;

BOOL GetDesktopIconInfo(LPCWSTR pattern, RECT &rc, HWND &desktop)
{
    HWND progman = FindWindow(TEXT("Progman"), TEXT("Program Manager"));
    if (progman == NULL) {
        return FALSE;
    }
    

    HWND def_view = FindWindowEx(progman, NULL, TEXT("SHELLDLL_DefView"), NULL);
    if (def_view == NULL) {
        return FALSE;
    }

    HWND list_view = FindWindowEx(def_view, NULL, TEXT("SysListView32"), TEXT("FolderView"));
    if (list_view == NULL) {
        return FALSE;
    }
    desktop = list_view;

    ULONG process_id = 0;
    GetWindowThreadProcessId(progman, &process_id);
    if (process_id == 0) {
        return FALSE;
    }

    int count = (int)::SendMessage(list_view, LVM_GETITEMCOUNT, 0, 0);

    HANDLE process_handle = OpenProcess(
        PROCESS_VM_OPERATION | PROCESS_VM_READ | PROCESS_VM_WRITE | PROCESS_QUERY_INFORMATION, FALSE, process_id);
    if (process_handle == NULL) {
        return FALSE;
    }

    PUCHAR remote_addr = (PUCHAR)VirtualAllocEx(process_handle, NULL, 
        sizeof(DESKTOP_ICON_INFO), MEM_COMMIT, PAGE_READWRITE);

    DESKTOP_ICON_INFO icon_info;
    icon_info.item.iItem = 0;
    icon_info.item.iSubItem = 0;
    icon_info.item.mask = LVIF_TEXT;
    icon_info.item.pszText = (WCHAR *)(remote_addr + offsetof(DESKTOP_ICON_INFO, item_text));
    icon_info.item.cchTextMax = MAX_PATH;

    for (int i = 0; i < count; i++) {
        icon_info.rc.left = LVIR_BOUNDS;
        ZeroMemory(icon_info.item_text, sizeof(icon_info.item_text));
        if (WriteProcessMemory(process_handle, remote_addr, &icon_info, sizeof(icon_info), NULL)) {
             ::SendMessage(list_view, LVM_GETITEMTEXT, (WPARAM)i, (LPARAM)(remote_addr + offsetof(DESKTOP_ICON_INFO, item)));
             ::SendMessage(list_view, LVM_GETITEMRECT, (WPARAM)i, (LPARAM)(remote_addr + offsetof(DESKTOP_ICON_INFO, rc)));
             ReadProcessMemory(process_handle, remote_addr, &icon_info, sizeof(icon_info), NULL);

             if (_wcsicmp(icon_info.item_text, pattern) == 0) {
                 rc = icon_info.rc;
                 break;
             }
        }
    }

    VirtualFreeEx(process_handle, remote_addr, 0, MEM_RELEASE);
    CloseHandle(process_handle);
    return TRUE;
}