What's means NameScope

Question

I found when use Animations in c# code , if the Animated element are not in xaml file, must register the element with "RegisterName()",and before this , should writte "NameScope.SetNameScope(FrameWorkElement , new  NameScope())", what's means ?

Answer 1

it stores or retrieves name-to-object mappings and Defines a contract for how names of elements or resources should be accessed

Answer 2

NameScope.SetNameScope(FrameWorkElement  fe, new  NameScope()),What's this sentence do ?

Answer 3

No body can tell me ? or it's not clear to anderstand the question ?

Answer 4

http://windowssdk.msdn.microsoft.com/en-us/library/ms746659.aspx