public static class In
{
    static private ComInput inputSrc;

    public static void Initialize(ComInput inputSource)
    {
        inputSrc = inputSource;
        inputSrc.Initialize();
    }

    public static void ResetFrameData()
    {
        inputSrc?.ResetFrameStates();
    }

    public static bool GetButton(InSignal button) => inputSrc.GetButton(button);
    public static bool GetButtonDown(InSignal button) => inputSrc.GetButtonDown(button);
    public static bool GetButtonUp(InSignal button) => inputSrc.GetButtonUp(button);
}