extern void wxapp_install_idle_handler();
if ( g_isIdle )
wxapp_install_idle_handler();
-#else // this works for wxMSW, but may be for others too?
+#elif wxUSE_GUI // this works for wxMSW, but may be for others too?
// might also send a dummy message to the top level window, this would
// probably be cleaner?
wxIdleEvent eventIdle;