]> This document attempts to describe how to use the Glade UI Designer core library to integrate Glade into your application and how to integrate your custom GTK+ derived widgets into the Glade UI Designer. You can always get the latest version of this document here and you should have received a copy with the glade-3 tarball. for &version; Tristan Van Berkom &CatalogIntro; &WidgetClasses; &Properties; &PythonSupport; &GladeApp; &GladeProject; &GladeWidget; &GladeFixed; &GladeProperty; &GladeWidgetAdaptor; &GladePropertyClass; &GladeWidgetAction; &GladeCommand; &GladeClipboard; &GladeBaseEditor; &GladePlaceholder; &GladeXmlUtils; &GladeEditor; &GladeEditorProperty; &GladePalette; &GladeClipboardView; &GladeInspector; &GladeSignalEditor; &GladeDesignView; &GladeParameter; &GladeUtils;