RelayFile/UserInterface/main.cxx

#include "UserInterface.h"

class RelayFileApp : public wxApp
{
public:
    bool OnInit() override
    {
        auto* f = new UserInterface(wxT("RelayFile"));
        f->Show();
        return true;
    }
};

IMPLEMENT_APP(RelayFileApp);
DECLARE_APP(RelayFileApp);