/// <summary>
        /// Initialize a new instance of the PaletteRedirectDropDownButton class.
        /// </summary>
        /// <param name="target">Initial palette target for redirection.</param>
        /// <param name="images">Reference to source of drop down button images.</param>
        public PaletteRedirectDropDownButton(IPalette target,
                                             DropDownButtonImages images)
            : base(target)
        {
            Debug.Assert(images != null);

            // Remember incoming target
            _images = images;
        }
 /// <summary>
 /// Initialize a new instance of the PaletteRedirectDropDownButton class.
 /// </summary>
 /// <param name="images">Reference to source of drop down button images.</param>
 public PaletteRedirectDropDownButton(DropDownButtonImages images)
     : this(null, images)
 {
 }
        /// <summary>
        /// Initialize a new instance of the KryptonDropButton class.
        /// </summary>
        public KryptonDropButton()
        {
            // We generate click events manually, suppress default
            // production of them by the base Control class
            SetStyle(ControlStyles.StandardClick |
                     ControlStyles.StandardDoubleClick, false);

            // Set default button properties
            _style       = ButtonStyle.Standalone;
            DialogResult = DialogResult.None;
            _useMnemonic = true;

            // Create content storage
            Values              = CreateButtonValues(NeedPaintDelegate);
            Values.TextChanged += OnButtonTextChanged;
            Images              = new DropDownButtonImages(NeedPaintDelegate);

            // Image need an extra redirector to check the local images first
            _paletteDropDownButtonImages = new PaletteRedirectDropDownButton(Redirector, Images);

            // Create the palette storage
            StateCommon     = new PaletteTripleRedirect(Redirector, PaletteBackStyle.ButtonStandalone, PaletteBorderStyle.ButtonStandalone, PaletteContentStyle.ButtonStandalone, NeedPaintDelegate);
            StateDisabled   = new PaletteTriple(StateCommon, NeedPaintDelegate);
            StateNormal     = new PaletteTriple(StateCommon, NeedPaintDelegate);
            StateTracking   = new PaletteTriple(StateCommon, NeedPaintDelegate);
            StatePressed    = new PaletteTriple(StateCommon, NeedPaintDelegate);
            OverrideDefault = new PaletteTripleRedirect(Redirector, PaletteBackStyle.ButtonStandalone, PaletteBorderStyle.ButtonStandalone, PaletteContentStyle.ButtonStandalone, NeedPaintDelegate);
            OverrideFocus   = new PaletteTripleRedirect(Redirector, PaletteBackStyle.ButtonStandalone, PaletteBorderStyle.ButtonStandalone, PaletteContentStyle.ButtonStandalone, NeedPaintDelegate);

            // Create the override handling classes
            _overrideFocus    = new PaletteTripleOverride(OverrideFocus, StateNormal, PaletteState.FocusOverride);
            _overrideNormal   = new PaletteTripleOverride(OverrideDefault, _overrideFocus, PaletteState.NormalDefaultOverride);
            _overrideTracking = new PaletteTripleOverride(OverrideFocus, StateTracking, PaletteState.FocusOverride);
            _overridePressed  = new PaletteTripleOverride(OverrideFocus, StatePressed, PaletteState.FocusOverride);

            // Create the view button instance
            _drawButton = new ViewDrawButton(StateDisabled,
                                             _overrideNormal,
                                             _overrideTracking,
                                             _overridePressed,
                                             new PaletteMetricRedirect(Redirector),
                                             this,
                                             VisualOrientation.Top,
                                             UseMnemonic)
            {
                // Set default button state
                DropDown         = true,
                Splitter         = true,
                TestForFocusCues = true,
                DropDownPalette  = _paletteDropDownButtonImages
            };

            // Create a button controller to handle button style behaviour
            _buttonController = new ButtonController(_drawButton, NeedPaintDelegate)
            {
                BecomesFixed = true
            };

            // Assign the controller to the view element to treat as a button
            _drawButton.MouseController  = _buttonController;
            _drawButton.KeyController    = _buttonController;
            _drawButton.SourceController = _buttonController;

            // Need to know when user clicks the button view or mouse selects it
            _buttonController.Click       += OnButtonClick;
            _buttonController.MouseSelect += OnButtonSelect;

            // Create the view manager instance
            ViewManager = new ViewManager(this, _drawButton);
        }