// notice that Walk() frame itself is not included if skip >= 1)
virtual void Walk(size_t skip = 1, size_t maxDepth = 200) = 0;
+#if wxUSE_ON_FATAL_EXCEPTION
// enumerate stack frames from the location of uncaught exception
//
// this version can only be called from wxApp::OnFatalException()
virtual void WalkFromException(size_t maxDepth = 200) = 0;
+#endif // wxUSE_ON_FATAL_EXCEPTION
protected:
// this function must be overrided to process the given frame