Re: How to save an object of a class derived from TGFrame?

From: Fons Rademakers (Fons.Rademakers@cern.ch)
Date: Wed Nov 03 1999 - 18:36:10 MET

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Hi Anton,

   this is a long standing issue. Currently the GUI classes are not I/O aware,
i.e. they have no Streamers() and no default ctors. It is my intention to make
all GUI classes I/O aware so it should be possible to save complete GUI's to
disk.

This might be coming in the not too distant future.

For the thime being you could make a default TADC ctor like this:

TADC::TADC() : TGFrame(0, 300, 300)
{

}

Cheers, Fons.

KOSU_FOKIN@garbo.lucas.lu.se wrote:
> 
> Hi!
> 
> I would like to save an object of a class derived from TGFrame and I can not read it back
> because
> 
> Error in <TClass::New>: no default ctor for class TADC
> Error in <TBuffer::ReadObject>: could not create object of class TADC
> 
> Now how can I make a default constructor TADC::TADC() if there is no TGFrame::TGFrame()
> which is the base class for TADC()?
> 
> Best regards,
> Anton

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