C++ Class Extension

Question

Is there a way to add new methods to a class, without modifying original class definition (i.e. compiled .lib containing class and corresponding .h file) like C#\'s class ex

Answer 1

Sorry, no. Once your code is in obj, you can not change it. If this can be done in VC partial classes would be supported already. There is one exception though, operator methods can be extended using global functions, pretty like how cout<< is implemented in STL.