Hiding sprites without active = false

[Tatanan]

Using

1. gameObject.SetActive (false);
2. NGUITools.SetActive(gameObject, false);

hides an object but also disables certain methods.
If I just want to hide it, what should I do?
In pure Unity

1. gameObject.renderer.enabled = false works

With NGUI UISprite, what should I do? Maybe

1. gameObject.GetComponent<UISprite>().enabled = false

too?

[RobBrooks]

Does disabling the UISprite component give you what you need?

I'm guessing it probably does.

So why the doubt? 

[ArenMook]

sprite.enabled = false is just fine. sprite.alpha = 0f; would be an alternative.

[Tatanan]

Does disabling the UISprite component give you what you need?

I'm guessing it probably does.

So why the doubt? 

Something working doesn't imply it is fully correct. I considered important to have an opinion about that.
For example, i'm seeing that maybe I should disable the Circle or Box Collider, since I could be receiving click events on the colliders. So, in general I wanted to ask ArenMook about the components I should enable/disable.

sprite.enabled = false is just fine. sprite.alpha = 0f; would be an alternative.

Shold I disable also the colliders?

Thank you.

[ArenMook]

Setting sprite alpha to 0 automatically makes the collider be ignored.