In c++, pure virtual method or pure virtual function is a virtual function in which virtual function does not contain a definition inside the function declaration. a pure virtual function/method is ...

Embedded C developers shy away from C++ out of concern for performance. The class construct is one of their main concerns. My previous article Code Craft – Embedding C++: Classes explored ...

I have read in several books (including a book on using QT toolkit) warning about using C++'s virtual function because of performance penalty.But they are quite vague on why this is so. Can ...

CppNuts / C++ / 1 virtual functions.cpp Cannot retrieve latest commit at this time.

Pure virtual functions are commonly used for defining interfaces in C++. For instance, you can define a Drawable interface with a draw method, and any class that needs to be drawable would derive from ...

Is MFC/C++ similar to Java and VB where the program comes require specific system DLL?<P>Lastly, Promise's book is exceptional because it touches everything about MFC.

Virtual Function is declared with keyword 'virtual' at the declaration. Ex : virtual return_type function_name(function arguments); Pure-virtual functions need not be implemented in the base class, ...