gtk-sharp 2.0.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. a menu item used to tear off and reattach its menu. a is a special which is used to tear off and reattach its menu. When its menu is shown normally, the is drawn as a dotted line indicating that the menu can be torn off. Activating it causes its menu to be torn off and displayed in its own window as a tearoff menu. When its menu is shown as a tearoff menu, the is drawn as a dotted line which has a left pointing arrow graphic indicating that the tearoff menu can be reattached. Activating it will erase the tearoff menu window. Gtk.MenuItem Method System.Void Disposes the resources associated with the object. Constructor Internal constructor Pointer to the C object. This is an internal constructor, and should not be used by user code. Constructor Creates a new Property GLib.GType GType Property. a Returns the native value for . Constructor Protected Constructor. a Chain to this constructor if you have manually registered a native value for your subclass. System.Obsolete(Message=null, IsError=False)