Re: [ROOT] gui+signal+slot

From: Ilka Antcheva (
Date: Mon Mar 29 2004 - 09:09:59 MEST


It seems that you miss at link time

#pragma link C++ class MyMainFrame;

Please see the chapter "Adding a Class" of the User's Guide at:

Cheers, Ilka wrote:

>Dear ROOTers,
>I tried learn the signal/slot capacibility of the ROOT-gui.
>Followed the users manual, the interpreted example runs well, but the 
>"example2a" fails with 
>"Error in <TQObject::CheckConnectArgs>: slot DoDraw() does not exist" message.
>The same code with cint (interpreted) runs well ...
>Any suggestions?
>root: v4.00/03
>cint: 5.15.128
>linux debian sarge
>PS: the "rq...." examples seem to work for me, so I dont know what is the reason 
>for the fail of the example2a

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