Re: TChain::LoadTree

From: Rene Brun <>
Date: Wed, 10 Aug 2005 15:41:14 +0200 (MEST)

#include "Terror.h"

Rene Brun

On Wed, 10 Aug 2005, Thomas Bretz wrote:

> Hi,
> I would like to supress this error:
> Error("LoadTree","cannot find tree with name %s in file %s",...)
> It takes place if I add a lot of files to a chain which doesn't contain the
> tree the chain belongs to. I know that in some cases this happens and this is
> ok in our context. I just would like to get rid of this warning. To test
> whether in the present case the chain is valid I check for:
> chain->GetFile()==NULL
> This is were the error is emitted.
> It would be the best if I could add another check before which would not
> emmit this error message, something like "HasValidFiles()" which just checks
> if any of the file has the correct tree. Or even better would be a chek which
> checks if _all_ files do have the corresponding tree.
> Any ideas?
> Thanks,
> Thomas.
Received on Wed Aug 10 2005 - 15:43:25 MEST

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