jump-regedit.cpp

void Jump2Regedit(HKEY hRoot, const CString& strKey, const CString& strValue = TEXT(""), const DWORD dwSleepTime = 100)
{
    do 
    {
        if (NULL == hRoot || strKey.IsEmpty())
        {
            break;
        }

        //连接字符串
        CString strRegPath(TEXT("\\"));
        switch((ULONG_PTR)((LONG)hRoot))
        {
        case HKEY_LOCAL_MACHINE:
            strRegPath += TEXT("HKEY_LOCAL_MACHINE\\") + strKey;
            break;

        case HKEY_CURRENT_USER:
            strRegPath += TEXT("HKEY_CURRENT_USER\\") + strKey;
            break;

        case HKEY_CURRENT_CONFIG:
            strRegPath += TEXT("HKEY_CURRENT_CONFIG\\") + strKey;
            break;

        case HKEY_CLASSES_ROOT:
            strRegPath += TEXT("HKEY_CLASSES_ROOT\\") + strKey;
            break;

        case HKEY_USERS:
            strRegPath += TEXT("HKEY_USERS\\") + strKey;
            break;

        default:
            break;
        }

        //打开注册表编辑器并查找其窗口
        HWND hRegeditMainWnd = FindWindow(TEXT("RegEdit_RegEdit"), NULL);
        if (NULL == hRegeditMainWnd)
        {
            SHELLEXECUTEINFO info;
            ZeroMemory(&info, sizeof(SHELLEXECUTEINFO));

            info.cbSize = sizeof(SHELLEXECUTEINFO);
            info.fMask = SEE_MASK_NOCLOSEPROCESS;
            info.lpVerb = TEXT("open");
            info.lpFile = TEXT("regedit.exe");
            info.nShow = SW_SHOWNORMAL;

            if (ShellExecuteEx(&info))
            {
                WaitForInputIdle(info.hProcess, INFINITE);
                hRegeditMainWnd = FindWindow(TEXT("RegEdit_RegEdit"), NULL);
                CloseHandle(info.hProcess);
            }
        }

        if (NULL == hRegeditMainWnd)
        {
            break;
        }

        //调到前台显示
        ShowWindow(hRegeditMainWnd, SW_SHOW);
        SetForegroundWindow(hRegeditMainWnd);

        //获取左边树状控件，并设置焦点
        HWND hRegeditKeyWnd = FindWindowEx(hRegeditMainWnd, NULL, TEXT("SysTreeView32"), NULL);
        SetForegroundWindow(hRegeditKeyWnd);
        SetFocus(hRegeditKeyWnd);

        //回到根节点：假设最多30层
        for (int iBackTime = 0; iBackTime != 30; ++iBackTime)
        {
            SendMessage(hRegeditKeyWnd, WM_KEYDOWN, VK_LEFT, 0);
            Sleep(5);
            SendMessage(hRegeditKeyWnd, WM_KEYUP, VK_LEFT, 0);
        }

        //等一会
        DEVMODE devMode;
        devMode.dmSize = sizeof(DEVMODE);
        EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devMode);
        if (devMode.dmBitsPerPel > 8)
        {
            Sleep(dwSleepTime);
        }

        //打开路径
        for (TCHAR *ch = strRegPath.GetBuffer(strRegPath.GetLength() + 1); *ch; ++ch)
        {
            if (TEXT('\\') == *ch)//下一层路径
            {
                SendMessage(hRegeditKeyWnd, WM_KEYDOWN, VK_RIGHT, 0);
                if (devMode.dmBitsPerPel > 8)
                {
                    Sleep(dwSleepTime);
                }
                Sleep(5);
                SendMessage(hRegeditKeyWnd, WM_KEYUP, VK_RIGHT, 0);
            }
            else
            {
                SendMessage(hRegeditKeyWnd, WM_CHAR, _totupper(*ch), 0);
            }
        }
        strRegPath.ReleaseBuffer();
        SetForegroundWindow(hRegeditKeyWnd);
        SetFocus(hRegeditKeyWnd);

        //选中值
        if (!strValue.IsEmpty())
        {
            HWND hRegeditValueWnd = FindWindowEx(hRegeditMainWnd, NULL, TEXT("SysListView32"), NULL);
            SetForegroundWindow(hRegeditValueWnd);
            SetFocus(hRegeditValueWnd);
            Sleep(dwSleepTime);
            SendMessage(hRegeditValueWnd, WM_KEYDOWN, VK_HOME, 0);
            Sleep(5);
            SendMessage(hRegeditValueWnd, WM_KEYUP, VK_HOME, 0);

            CString strValueTemp = strValue;
            for (TCHAR *ch = strValueTemp.GetBuffer(strValueTemp.GetLength() + 1); *ch; ++ch)
            {
                SendMessage(hRegeditValueWnd, WM_CHAR, _totupper(*ch), 0);
            }
            strValueTemp.ReleaseBuffer();

            SetForegroundWindow(hRegeditValueWnd);
            SetFocus(hRegeditValueWnd);
        }

    } while (FALSE);
}