+#if wxUSE_TIMER
+ // return platform and toolkit dependent wxTimer implementation
+ virtual wxTimerImpl *CreateTimerImpl(wxTimer *timer) = 0;
+#endif
+
+ // functions returning port-specific information
+ // ------------------------------------------------------------------------
+
+ // return information about the (native) toolkit currently used and its
+ // runtime (not compile-time) version.
+ // returns wxPORT_BASE for console applications and one of the remaining
+ // wxPORT_* values for GUI applications.
+ virtual wxPortId GetToolkitVersion(int *majVer, int *minVer) const = 0;
+
+ // return true if the port is using wxUniversal for the GUI, false if not
+ virtual bool IsUsingUniversalWidgets() const = 0;
+
+ // return the name of the Desktop Environment such as
+ // "KDE" or "GNOME". May return an empty string.
+ virtual wxString GetDesktopEnvironment() const { return wxEmptyString; }