gtk-sharp 2.12.0.0 Gtk# is thread aware, but not thread safe; See the Gtk# Thread Programming for details. A menu item with a check box. A CheckMenuItem is a menu item that maintains the state of a boolean value in addition to a 's usual role in activating application code. A check box indicating the state of the boolean value is displayed at the left side of the . Activating the toggles the value. Whether the CheckMenuItem is 'on' or not can be determined with the property. Gtk.MenuItem Method System.Void Toggles the state of the check box between active and inactive. Constructor Internal constructor Pointer to the C object. This is an internal constructor, and should not be used by user code. Constructor Creates a CheckMenuItem with no label Constructor Create a new CheckMenuItem with the specified . The text to appear on the menu item. The text label will be created using , so underscores in the label indicate the mnemonic for the menu item. Property System.Boolean Manages whether the CheckMenuItem is in the 'inconsistent' state. if this CheckMenuItem is in the inconsistent state, otherwise. If the user has selected a range of elements (such as some text or spreadsheet cells) that are affected by a boolean setting, and the current values in that range are inconsistent, you may want to display the check in an "in between" state. This property turns on "in between" display. Normally you would turn off the inconsistent state again if the user explicitly selects a setting. This has to be done manually, this property only affects visual appearance, it doesn't affect the semantics of the widget. GLib.Property("inconsistent") Property System.Boolean The 'active' state of the CheckMenuItem GLib.Property("active") Event System.EventHandler An event that is raised whenever the state of the CheckMenuItem is toggled. Connect to this event with a standard . GLib.Signal("toggled") Property GLib.GType GType Property. a Returns the native value for . Method System.Void Default handler for the event. Override this method in a subclass to provide a default handler for the event. Constructor Protected Constructor. a Chain to this constructor if you have manually registered a native value for your subclass. System.Obsolete Property System.Boolean Whether the menu item looks like a radio menu item. a GLib.Property("draw-as-radio") Property System.Boolean Whether this menu item can be toggled. a System.Obsolete Method System.Void Fires the event.