Hi Primrose, search in $ROOTSYS/tutorials/guitest.C for the strings CloseWindow and DoOK and see the explanation. Cheers, Fons. Primrose Mbanefo wrote: > > Hello everyone, > The class TestMainFrame created by the GUI test contains a function > CloseWindow which normally terminates the application running. but I don't > want it to do that so I changed the line in this function to : delete this. > The problem is I get the following message : > > Error in <RootX11ErrorHandler>: BadWindow (invalid Window parameter) (XID: > 44040772) > > Does anyone have an idea why? > Thanks > Primrose -- 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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