public static bool IsInteractive(this Selectable Control)
	{
		return Control.interactable;
	}

	public const float InteractiveGrayAmount = 0.5f;

	public static bool MakeInteractive(this Selectable Control, bool makeInteractive, float amount = InteractiveGrayAmount)
	{ // similar to interactable, but it grays out the children of the control too
		float Multiplier = 0.0f;
		if (!makeInteractive && Control.interactable)
			Multiplier = amount; // lower alpha
		else if (makeInteractive && !Control.interactable)
			Multiplier = 1.0f / amount; // raise alpha again

		if (Multiplier > 0.0f)
		{ // just lower or raise the alpha of all children by amount
			Control.interactable = makeInteractive;
			foreach (var G in Control.transform.GetComponentsInChildren<Graphic>())
				if (G != Control.targetGraphic)
					G.CrossFadeAlpha(G.canvasRenderer.GetAlpha() * Multiplier, Control.colors.fadeDuration, true);
		}
		return IsInteractive(Control);
	}