void WindowContainer::Show(const Vector& Position)
{
    if(_Running)
        return;
    _Running = true;

    WindowSystem::RegisterWindow(*this, Position);

    _RunningMutex.lock();
    _RunningMutex.lock(); // Lock the thread, eventually the input thread in the
                          // WindowSystem will call `this->Close()` where the
                          // mutex will be unlocked, and allowed to continue.

    _RunningMutex.unlock(); // for consistancy sake, remove the first lock.

    //while(_Running)
    //  Util::Sleep(1.0 / 10.0); // check 10 times per second
}

void WindowContainer::Close()
{
    if(!_Running)
        return;

    WindowSystem::UnregisterWindow(*this);
    _Running = false;
    _RunningMutex.unlock();
}