Hi Thomas, use the TGMsgBox class. For examples see $ROOTSYS/tutorials/guitest.C and dialogs.C. Cheers, Fons. Thomas Bretz wrote: > > Hello, > > I want to open a message box. Something like a canvas with a text > message and (maybe) an icon inside, in which I can display a simple > message like: "This file cannot be opened." and a close button. It > should be modal. > > Is there an easy way for such a thing or do I have to create my own > Message-Box class? > > Something like: > > { > TMessageBox *box = new TMessageBox(x, y, "The value must be in the > range between 0 and 1."); > > while (box->IsOpen()) > usleep(1); > > delete box; > } > > Thanks, > Thomas. -- Org: CERN, European Laboratory for Particle Physics. Mail: 1211 Geneve 23, Switzerland E-Mail: Fons.Rademakers@cern.ch Phone: +41 22 7679248 WWW: http://root.cern.ch/~rdm/ Fax: +41 22 7677910
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