/// <summary> /// Initialize a new instance of the ViewDrawRibbonGroupComboBox class. /// </summary> /// <param name="ribbon">Reference to owning ribbon control.</param> /// <param name="ribbonComboBox">Reference to source combobox.</param> /// <param name="needPaint">Delegate for notifying paint requests.</param> public ViewDrawRibbonGroupComboBox(KryptonRibbon ribbon, KryptonRibbonGroupComboBox ribbonComboBox, NeedPaintHandler needPaint) { Debug.Assert(ribbon != null); Debug.Assert(ribbonComboBox != null); Debug.Assert(needPaint != null); // Remember incoming references _ribbon = ribbon; _ribbonComboBox = ribbonComboBox; _needPaint = needPaint; _currentSize = _ribbonComboBox.ItemSizeCurrent; // Hook into the combobox events _ribbonComboBox.MouseEnterControl += new EventHandler(OnMouseEnterControl); _ribbonComboBox.MouseLeaveControl += new EventHandler(OnMouseLeaveControl); // Associate this view with the source component (required for design time selection) Component = _ribbonComboBox; if (_ribbon.InDesignMode) { // At design time we need to know when the user right clicks the combobox ContextClickController controller = new ContextClickController(); controller.ContextClick += new MouseEventHandler(OnContextClick); MouseController = controller; } // Create controller needed for handling focus and key tip actions _controller = new ComboBoxController(_ribbon, _ribbonComboBox, this); SourceController = _controller; KeyController = _controller; // We need to rest visibility of the combobox for each layout cycle _ribbon.ViewRibbonManager.LayoutBefore += new EventHandler(OnLayoutAction); _ribbon.ViewRibbonManager.LayoutAfter += new EventHandler(OnLayoutAction); // Define back reference to view for the combo box definition _ribbonComboBox.ComboBoxView = this; // Give paint delegate to combobox so its palette changes are redrawn _ribbonComboBox.ViewPaintDelegate = needPaint; // Hook into changes in the ribbon custom definition _ribbonComboBox.PropertyChanged += new PropertyChangedEventHandler(OnComboBoxPropertyChanged); }