Hi Takeaki, the current version of the ROOT GUI classes don't support I/O. Therefore specify the ClassDef macro like: ClassDef(MyWindow,0) so no I/O code (i.e. Streamer() method) will be generated. Cheers, Fons. Takeaki Toeda wrote: > > Hello ROOTers, > > I have a problem with TGTextBuffer in my small graphical > interface like a http://root.cern.ch/root/hepvis98/newgui.html > > Following is essence of my header file > > -------------------------------------- > #ifndef MyWindow_h > #define MyWindow_h > #include <TGFrame.h> > #include <TGTextBuffer.h> > class MyWindow : public TGMainFrame { > protected: > TGTextBuffer *fNameBuf; > > public: > MyWindow(const TGWindow *p, UInt_t w, UInt_t h); > virtual ~MyWindow(); > public: > ClassDef(MyWindow,1) > }; > #endif > > --------------------------------------- > > #ifdef __CINT__ > > #pragma link off all globals; > #pragma link off all classes; > #pragma link off all functions; > > #pragma link C++ class MyWindow; > > #endif > > --------------------------------------- > > When a generated source file from rootcint is compiled, > following error is output > > ------------------------------------------- > Generating dictionary > rootcint RootCint.cc -c MyWindow.h LinkDef.h > Note: operator new() masked 1c > Note: operator delete() masked 1c > g++ -O -Wall -fno-rtti -fPIC -I/opt/root/include -I. RootCint.cc -c > RootCint.cc: In method `void MyWindow::Streamer(class TBuffer &)': > RootCint.cc:32: no match for `TBuffer & << TGTextBuffer *&' > /opt/root/include/TBuffer.h:206: candidates are: TBuffer::operator > <<(Char_t) > /opt/root/include/TBuffer.h:316: TBuffer::operator > <<(UChar_t) > /opt/root/include/TBuffer.h:215: TBuffer::operator > <<(Short_t) > /opt/root/include/TBuffer.h:319: TBuffer::operator > <<(UShort_t) > /opt/root/include/TBuffer.h:224: TBuffer::operator > <<(Int_t) > /opt/root/include/TBuffer.h:322: TBuffer::operator > <<(UInt_t) > /opt/root/include/TBuffer.h:233: TBuffer::operator > <<(Long_t) > /opt/root/include/TBuffer.h:325: TBuffer::operator > <<(ULong_t) > /opt/root/include/TBuffer.h:242: TBuffer::operator > <<(Float_t) > /opt/root/include/TBuffer.h:251: TBuffer::operator > <<(Double_t) > /opt/root/include/TBuffer.h:260: TBuffer::operator > <<(const Char_t *) > /opt/root/include/TBuffer.h:342: operator <<(TBuffer &, > const TObject *) > /opt/root/include/TString.h:314: operator <<(ostream &, > const TString &) > gmake: *** [RootCint.o] Error 1 > > -------------------------------------------------------------- > > Do you know how to slove this problem? > Or is this bug? > > Thanks, > > Take-Aki TOEDA > Nagoya Univ. > Nagoya Japan > -- 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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