DWORD currThread = GetCurrentThreadId();
    HANDLE hSnapshot = CreateToolhelp32Snapshot(TH32CS_SNAPTHREAD, GetCurrentProcessId());
    THREADENTRY32 threadEntry;
    threadEntry.dwSize = sizeof(THREADENTRY32);
    if (Thread32First(hSnapshot, &threadEntry))
    do
    {
        if (threadEntry.th32ThreadID != currThread)
        {
            HANDLE hThread = OpenThread(THREAD_SUSPEND_RESUME, false, threadEntry.th32ThreadID);
            SuspendThread(hThread);
            CloseHandle(hThread);
        }
    }
    while (Thread32Next(hSnapshot, &threadEntry));