#include <simgear/structure/exception.hxx>
#include <simgear/structure/commands.hxx>
#include <simgear/props/props.hxx>
+#include <simgear/structure/event_mgr.hxx>
#include <Cockpit/panel.hxx>
#include <Cockpit/panel_io.hxx>
#include "viewmgr.hxx"
#include "main.hxx"
-SG_USING_STD(string);
-SG_USING_STD(ifstream);
-SG_USING_STD(ofstream);
+using std::string;
+using std::ifstream;
+using std::ofstream;
\f