/**
@class wxCommand
- @wxheader{cmdproc.h}
wxCommand is a base class for modelling an application command, which is an
action usually performed by selecting a menu item, pressing a toolbar
/**
@class wxCommandProcessor
- @wxheader{cmdproc.h}
wxCommandProcessor is a class that maintains a history of wxCommands, with
undo/redo functionality built-in. Derive a new class from this if you want