Hi rooters, I would like to define one class "A", parent of another class "B", the child. I'm trying to do it definning "A" as child of TObject, because I want to link all together in a single executable program. But I get all the time errors of the following type: Unresolved: __vtbl_1a Make sure that the first noninlined virtual member function of 'a' is defined. __vtbl_1b Make sure that the first noninlined virtual member function of 'b' is defined. I cannot find in the documentation how to handle this problem. Do you have any idea? Thanks, J C __ "But what ... is it good for?" (Engineer at the Advanced Computing Systems Division of IBM, 1968, commenting on the microchip.) ==================================================================== * J. C. Gonzalez . ------------------------------------------------------------ . Max-Planck-Institut fuer Physik Tel.: +49 89 32354445 . (Werner-Heisenberg-Institut) Fax : +49 89 3226704 * Foehringer Ring, 6 ... . .... . ..... ......... .. . D-80805 Muenchen E-mail: gonzalez@mppmu.mpg.de . Deutschland WWW: www.gae.ucm.es/~gonzalez ====================================================================
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