member

How do you pass a member function pointer?

To call a member function by pointer, you need two things: A pointer to the object and a pointer to the function. You need both in MenuButton::SetButton() template <class object> void MenuButton::SetButton(int xPos, int yPos, LPCWSTR normalFilePath, LPCWSTR hoverFilePath, LPCWSTR pressedFilePath, int Width, int Height, object *ButtonObj, void (object::*ButtonFunc)()) { BUTTON::SetButton(xPos, yPos, normalFilePath, hoverFilePath, pressedFilePath, … Read more

C++ callback using class member

Instead of having static methods and passing around a pointer to the class instance, you could use functionality in the new C++11 standard: std::function and std::bind: #include <functional> class EventHandler { public: void addHandler(std::function<void(int)> callback) { cout << “Handler added…” << endl; // Let’s pretend an event just occured callback(1); } }; The addHandler method … Read more