This method can be used to recover the pointer in char* buffer containing multi-byte string representation corresponding to the given iterator which is useful for implementing backwards-compatible functions that must be able to return such pointers. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@70995 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775