[ROOT] Saving a vector<string> in TFile.

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Hi all,
I'm trying to save a vector<string> in a TFile.

The first time it works correctly.
Then I need to get this vector from the
file, and to add a string. Till this point it works.
Then I want to save this new vector with the same key in the same file, to
do that I use:
 ->Write("",TObject::kOverwrite)
and then it does not work. The new string is not written, only the old
vector.
Is there something like size specification when using TObject::kOverwrite?

If you've got any answer ?

	Cyril Lachaud

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