C++ - when should I use a pointer member in a class

Question

One of the thing that has been confusing for me while learning C++ (and Direct3D, but that some time ago) is when you should use a pointer member in a class. For example, I

Answer 1

Another reason to use pointers would be dynamic binding. If you have a base class with a virtual method and some derived classes, you can only get dynamic binding using pointers.