20.04.2017 18:22, Thiago Macieira пишет:
Em quarta-feira, 19 de abril de 2017, às 22:56:46 PDT, Igor Mironchik escreveu:class Channel : public QObject {}; void mySlot() { Channel * ch = qobject_cast< Channel* > ( sender() ); // You are 100% sure that sender() is Channel!!! // And this cast will fail!!! }And so will dynamic_cast fail. Fix it by adding a non-inline virtual destructor to Channel.
QObject has virtual destructor... dynamic_cast will work. But it doesn't matter, the problem was in another...
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