Hi Laurent, the fourth element is passed as parm2 to the ProcessMessage of the receiving class: Bool_t Txxxx::ProcessMessage(Long_t msg, Long_t parm1, Long_t parm2) { // parm2 is the item_id } Cheers, Fons. Laurent Aphecetche wrote: > > Hi, > > A probably stupid question : how can I get the fourth element of a > TGListBox event > (kC_COMMAND, kCM_LISTBOX, listbox id, item id). > > I've been able to have kC_COMMAND by GET_MSG(), kCM_LISTBOX by > GET_SUBMSG(), listbox id > by parm1. What about item id ? > > Thanks. > -- > APHECETCHE Laurent (mailto:Laurent.Aphecetche@subatech.in2p3.fr) > SUBATECH-Ecole des Mines de Nantes-4 rue Alfred Kastler-44070 NANTES > cedex 03 > TEL (+33/0) 2 51 85 84 17 - FAX (+33/0) 2 51 85 84 24 > WWW: http://www-subatech.in2p3.fr/~photons -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland Phone: +41 22 7679248 E-Mail: Fons.Rademakers@cern.ch Fax: +41 22 7677910 URL: http://root.cern.ch/~rdm/
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