Due to something stupid in the gdcm::File constructor, the file was parsed twice

Due to something stupid in the gdcm::File constructor, the file was parsed twice
when we used old style, e.g :
gdcm::File *f = new gdcm::File(fileName);
instead of new style, e.g. :
gdcm::File *f = new gdcm::File( );
f->SetLoadMode ( choose what you want *not* to load here );
f->Load( filename );