ControlHandler.IsHeld C# (CSharp) Method

    public static bool IsHeld(string key, InputHandling inputHandling)
    {
        bool held = false;
        if(key != null && key != "" &&
            (((InputHandling.BUTTON_DOWN.Equals(inputHandling) ||
            InputHandling.BUTTON_UP.Equals(inputHandling)) && Input.GetButton(key)) ||
            ((InputHandling.KEY_DOWN.Equals(inputHandling) ||
            InputHandling.KEY_UP.Equals(inputHandling)) && Input.GetKey(key))))
        {
            held = true;
        }
        return held;
    }