#pragma once #include G_BEGIN_DECLS #define HDY_TYPE_DEMO_PREFERENCES_WINDOW (hdy_demo_preferences_window_get_type()) G_DECLARE_FINAL_TYPE (HdyDemoPreferencesWindow, hdy_demo_preferences_window, HDY, DEMO_PREFERENCES_WINDOW, HdyPreferencesWindow) HdyDemoPreferencesWindow *hdy_demo_preferences_window_new (void); G_END_DECLS