how to use gameobject.active in 4.0

Unity Engine
1

how to use gameobject.active in 4.0 .im not getting active in unity 4.o any relevant code?

2

Because it is not used in 4.0, read the release notes.

You need to use SetActive, activeSelf and activeInHeirachy

3 
gameObject.active = true;

is now

[gameObject.SetActive(true);

gameObject.SetActiveRecursively(true);

is also…

gameObject.SetActive(true);