about Pinning objects

Hi,
 Is there someway to find out that  - 'a certain object
X is no longer pinned' ?
For instance in the test program
sscli/tests/gc/methodical/pinning/pinningother/pinnedcollect.exe,
a handle(handle1) is created to pin 'arr'. this causes the pin bit
to be set for object arr. But the rotor GC mechanism sees to it
that it becomes a part of the non-moving area and removes the pin bit.
the problem is that the collector which i am interfacing with rotor is a
copying one. and i have to ensure that the GC knows when an object is no
longer pinned so that it can take further action.
In the test program, Theres a call to handle1.Free(). Can this call be used to
communicate this information? or is there someother way it can be done?

--
Thanks,
Archana

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