The command triggers the FeatureInspectorCommand method of the Commands class. This accesses the static Instance property of the AttributesPalette class to get a reference to the one instance of this class. If the instance does not yet exist, the Instance property creates one. This includes creating a new PaletteSet AutoCAD dockable window an a new Panel Windows user control which is placed inside the PaletteSet. FeatureInspectorCommand then calls the AttributesPalette’s Show method. This method makes sure the PaletteSet window is visible and forces a redraw.