C++ 启动外部exe

SHELLEXECUTEINFO ShExecInfo = { 0 };
    ShExecInfo.cbSize = sizeof(SHELLEXECUTEINFO);
    ShExecInfo.fMask = SEE_MASK_NOCLOSEPROCESS;
    ShExecInfo.hwnd = NULL;
    ShExecInfo.lpVerb = L"open";
    ShExecInfo.lpFile = L"D:\\Program Files\\a.exe";
    ShExecInfo.lpParameters = L"";
    ShExecInfo.lpDirectory = NULL;
    ShExecInfo.nShow = SW_SHOW;
    ShExecInfo.hInstApp = NULL;
    ShellExecuteEx(&ShExecInfo);
    WaitForSingleObject(ShExecInfo.hProcess, INFINITE);

 

    PROCESS_INFORMATION ProcessInfo;
    STARTUPINFO StartupInfo; //This is an [in] parameter
    ZeroMemory(&StartupInfo, sizeof(StartupInfo));
    StartupInfo.cb = sizeof StartupInfo; //Only compulsory field
    if (CreateProcess(L"D:\\Program Files\\a.exe", NULL,
        NULL, NULL, FALSE, 0, NULL,
        NULL, &StartupInfo, &ProcessInfo))
    {
        WaitForSingleObject(ProcessInfo.hProcess, INFINITE);
        CloseHandle(ProcessInfo.hThread);
        CloseHandle(ProcessInfo.hProcess);
    }
    else
    {
        MessageBoxA(NULL, "The process could not be started...", NULL, NULL);
    }