I’m about to use member functions of the abstract base class of qtgui
classes to adjust visualization parameters such as “set_title”,
There is an explanation of virtual based classes in . So it’s
to use pure virtual functions by the derived classes.
When we’re in GNURadio, there is an abstract class and an implementation
class which is derived from the abstract class. So I expect to be able
using the pure virtual functions declared in abstract class by having a
pointer of the implementation class. However the members aren’t
What can I do to use them?