Hi, i already had this problem somewhere, but i can't remember how i solved it. I have a KTMainWindow child, the resize event method is overwritten like this : in the header : class KWebSearchBaseDialog : public KSerializedMainWindow { Q_OBJECT public: // ..... protected: // ..... void resizeEvent ( QResizeEvent *e ); // ..... }; in the .cpp file : void KWebSearchBaseDialog::resizeEvent( QResizeEvent *e ) { cerr << "na, isses da ????" << endl; } i can resize my window how much i want, but i never get something raised :(((((( What can i do ? Markus