No. It does not change. A CF object has a single address for its lifetime.

> On Jan 14, 2016, at 06:42, Dave <d...@looktowindward.com> wrote:
> 
> Hi,
> 
> Does the pointer value of a CFTypeRef change during it’s lifetime? Can I 
> safely uses the string value of the pointer %p as a key to a dictionary?
> 
> All the Best
> Dave
> 
> 
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