/// <summary> /// Initialize a new instance of the CheckBoxController class. /// </summary> /// <param name="target">Target for state changes.</param> /// <param name="top">Top element for the check box control.</param> /// <param name="needPaint">Delegate for notifying paint requests.</param> public CheckBoxController(ViewDrawCheckBox target, ViewBase top, NeedPaintHandler needPaint) { Debug.Assert(target != null); Debug.Assert(top != null); // Store the provided paint notification delegate NeedPaint = needPaint; // Remember target for state changes _target = target; _top = top; }
/// <summary> /// Initialize a new instance of the ViewDrawRibbonGroupCheckBoxImage class. /// </summary> /// <param name="ribbon">Reference to owning ribbon control.</param> /// <param name="ribbonCheckBox">Reference to ribbon group check box definition.</param> /// <param name="large">Show the large image.</param> public ViewDrawRibbonGroupCheckBoxImage(KryptonRibbon ribbon, KryptonRibbonGroupCheckBox ribbonCheckBox, bool large) { Debug.Assert(ribbonCheckBox != null); // Remember incoming parameters _ribbonCheckBox = ribbonCheckBox; _large = large; // Use redirector to get the check box images and redirect to parent palette PaletteRedirectCheckBox redirectImages = new PaletteRedirectCheckBox(ribbon.GetRedirector(), ribbon.StateCommon.RibbonImages.CheckBox); // Create drawing element _drawCheckBox = new ViewDrawCheckBox(redirectImages); // Add as only child Add(_drawCheckBox); }
/// <summary> /// Initialize a new instance of the ViewDrawMenuCheckBox class. /// </summary> /// <param name="provider">Reference to provider.</param> /// <param name="checkBox">Reference to owning check box entry.</param> public ViewDrawMenuCheckBox(IContextMenuProvider provider, KryptonContextMenuCheckBox checkBox) { _provider = provider; KryptonContextMenuCheckBox = checkBox; // Create fixed storage of the content values _contentValues = new FixedContentValue(ResolveText, ResolveExtraText, ResolveImage, ResolveImageTransparentColor); // Decide on the enabled state of the display ItemEnabled = provider.ProviderEnabled && ResolveEnabled; // Give the heading object the redirector to use when inheriting values KryptonContextMenuCheckBox.SetPaletteRedirect(provider.ProviderRedirector); // Create the content for the actual heading text/image ViewDrawContent = new ViewDrawContent((ItemEnabled ? KryptonContextMenuCheckBox.OverrideNormal : KryptonContextMenuCheckBox.OverrideDisabled), _contentValues, VisualOrientation.Top) { UseMnemonic = true, Enabled = ItemEnabled }; // Create the check box image drawer and place inside element so it is always centered ViewDrawCheckBox = new ViewDrawCheckBox(KryptonContextMenuCheckBox.StateCheckBoxImages) { CheckState = ResolveCheckState, Enabled = ItemEnabled }; _layoutCenter = new ViewLayoutCenter { ViewDrawCheckBox }; // Place the check box on the left of the available space but inside separators _innerDocker = new ViewLayoutDocker { { ViewDrawContent, ViewDockStyle.Fill }, { _layoutCenter, ViewDockStyle.Left }, { new ViewLayoutSeparator(1), ViewDockStyle.Right }, { new ViewLayoutSeparator(3), ViewDockStyle.Left }, { new ViewLayoutSeparator(1), ViewDockStyle.Top }, { new ViewLayoutSeparator(1), ViewDockStyle.Bottom } }; // Use outer docker so that any extra space not needed is used by the null _outerDocker = new ViewLayoutDocker { { _innerDocker, ViewDockStyle.Top }, { new ViewLayoutNull(), ViewDockStyle.Fill } }; // Use context menu specific version of the check box controller MenuCheckBoxController mcbc = new MenuCheckBoxController(provider.ProviderViewManager, _innerDocker, this, provider.ProviderNeedPaintDelegate); mcbc.Click += OnClick; _innerDocker.MouseController = mcbc; _innerDocker.KeyController = mcbc; // Add docker as the composite content Add(_outerDocker); // Want to know when a property changes whilst displayed KryptonContextMenuCheckBox.PropertyChanged += OnPropertyChanged; // We need to know if a property of the command changes if (KryptonContextMenuCheckBox.KryptonCommand != null) { _cachedCommand = KryptonContextMenuCheckBox.KryptonCommand; KryptonContextMenuCheckBox.KryptonCommand.PropertyChanged += OnCommandPropertyChanged; } }
/// <summary> /// Initialize a new instance of the KryptonCheckBox class. /// </summary> public KryptonCheckBox() { // Turn off standard click and double click events, we do that manually SetStyle(ControlStyles.StandardClick | ControlStyles.StandardDoubleClick, false); // Set default properties _style = LabelStyle.NormalControl; _orientation = VisualOrientation.Top; _checkPosition = VisualOrientation.Left; _checked = false; _threeState = false; _checkState = CheckState.Unchecked; _useMnemonic = true; _autoCheck = true; // Create content storage _labelValues = new LabelValues(NeedPaintDelegate); _labelValues.TextChanged += new EventHandler(OnCheckBoxTextChanged); _images = new CheckBoxImages(NeedPaintDelegate); // Create palette redirector _paletteCommonRedirect = new PaletteContentInheritRedirect(Redirector, PaletteContentStyle.LabelNormalControl); _paletteCheckBoxImages = new PaletteRedirectCheckBox(Redirector, _images); // Create the palette provider _stateCommon = new PaletteContent(_paletteCommonRedirect, NeedPaintDelegate); _stateDisabled = new PaletteContent(_stateCommon, NeedPaintDelegate); _stateNormal = new PaletteContent(_stateCommon, NeedPaintDelegate); _stateFocus = new PaletteContent(_paletteCommonRedirect, NeedPaintDelegate); // Override the normal values with the focus, when the control has focus _overrideNormal = new PaletteContentInheritOverride(_stateFocus, _stateNormal, PaletteState.FocusOverride, false); // Our view contains background and border with content inside _drawContent = new ViewDrawContent(_overrideNormal, this, VisualOrientation.Top); _drawContent.UseMnemonic = _useMnemonic; // Only draw a focus rectangle when focus cues are needed in the top level form _drawContent.TestForFocusCues = true; // Create the check box image drawer and place inside element so it is always centered _drawCheckBox = new ViewDrawCheckBox(_paletteCheckBoxImages); _drawCheckBox.CheckState = _checkState; _layoutCenter = new ViewLayoutCenter(); _layoutCenter.Add(_drawCheckBox); // Place check box on the left and the label in the remainder _layoutDocker = new ViewLayoutDocker(); _layoutDocker.Add(_layoutCenter, ViewDockStyle.Left); _layoutDocker.Add(_drawContent, ViewDockStyle.Fill); // Need a controller for handling mouse input _controller = new CheckBoxController(_drawCheckBox, _layoutDocker, NeedPaintDelegate); _controller.Click += new EventHandler(OnControllerClick); _controller.Enabled = true; _layoutDocker.MouseController = _controller; _layoutDocker.KeyController = _controller; // Change the layout to match the inital right to left setting and orientation UpdateForOrientation(); // Create the view manager instance ViewManager = new ViewManager(this, _layoutDocker); // We want to be auto sized by default, but not the property default! AutoSize = true; AutoSizeMode = AutoSizeMode.GrowAndShrink; }
/// <summary> /// Initialize a new instance of the ViewDrawMenuCheckBox class. /// </summary> /// <param name="provider">Reference to provider.</param> /// <param name="checkBox">Reference to owning check box entry.</param> public ViewDrawMenuCheckBox(IContextMenuProvider provider, KryptonContextMenuCheckBox checkBox) { _provider = provider; _checkBox = checkBox; // Create fixed storage of the content values _contentValues = new FixedContentValue(ResolveText, ResolveExtraText, ResolveImage, ResolveImageTransparentColor); // Decide on the enabled state of the display _itemEnabled = provider.ProviderEnabled && ResolveEnabled; // Give the heading object the redirector to use when inheriting values _checkBox.SetPaletteRedirect(provider.ProviderRedirector); // Create the content for the actual heading text/image _drawContent = new ViewDrawContent((_itemEnabled ? (IPaletteContent)_checkBox.OverrideNormal : (IPaletteContent)_checkBox.OverrideDisabled), _contentValues, VisualOrientation.Top); _drawContent.UseMnemonic = true; _drawContent.Enabled = _itemEnabled; // Create the check box image drawer and place inside element so it is always centered _drawCheckBox = new ViewDrawCheckBox(_checkBox.StateCheckBoxImages); _drawCheckBox.CheckState = ResolveCheckState; _drawCheckBox.Enabled = _itemEnabled; _layoutCenter = new ViewLayoutCenter(); _layoutCenter.Add(_drawCheckBox); // Place the check box on the left of the available space but inside separators _innerDocker = new ViewLayoutDocker(); _innerDocker.Add(_drawContent, ViewDockStyle.Fill); _innerDocker.Add(_layoutCenter, ViewDockStyle.Left); _innerDocker.Add(new ViewLayoutSeparator(1), ViewDockStyle.Right); _innerDocker.Add(new ViewLayoutSeparator(3), ViewDockStyle.Left); _innerDocker.Add(new ViewLayoutSeparator(1), ViewDockStyle.Top); _innerDocker.Add(new ViewLayoutSeparator(1), ViewDockStyle.Bottom); // Use outer docker so that any extra space not needed is used by the null _outerDocker = new ViewLayoutDocker(); _outerDocker.Add(_innerDocker, ViewDockStyle.Top); _outerDocker.Add(new ViewLayoutNull(), ViewDockStyle.Fill); // Use context menu specific version of the check box controller MenuCheckBoxController mcbc = new MenuCheckBoxController(provider.ProviderViewManager, _innerDocker, this, provider.ProviderNeedPaintDelegate); mcbc.Click += new EventHandler(OnClick); _innerDocker.MouseController = mcbc; _innerDocker.KeyController = mcbc; // Add docker as the composite content Add(_outerDocker); // Want to know when a property changes whilst displayed _checkBox.PropertyChanged += new PropertyChangedEventHandler(OnPropertyChanged); // We need to know if a property of the command changes if (_checkBox.KryptonCommand != null) { _cachedCommand = _checkBox.KryptonCommand; _checkBox.KryptonCommand.PropertyChanged += new PropertyChangedEventHandler(OnCommandPropertyChanged); } }
public KryptonTreeView() { // Contains another control and needs marking as such for validation to work SetStyle(ControlStyles.ContainerControl, true); // Cannot select this control, only the child tree view and does not generate a click event SetStyle(ControlStyles.Selectable | ControlStyles.StandardClick, false); // Default fields _alwaysActive = true; _style = ButtonStyle.ListItem; _itemHeightDefault = true; _plusMinusImages = new TreeViewImages(); _checkBoxImages = new CheckBoxImages(); base.Padding = new Padding(1); // Create the palette storage _redirectImages = new PaletteRedirectTreeView(Redirector, _plusMinusImages, _checkBoxImages); PaletteBackInheritRedirect backInherit = new PaletteBackInheritRedirect(Redirector, PaletteBackStyle.InputControlStandalone); PaletteBorderInheritRedirect borderInherit = new PaletteBorderInheritRedirect(Redirector, PaletteBorderStyle.InputControlStandalone); PaletteBackColor1 commonBack = new PaletteBackColor1(backInherit, NeedPaintDelegate); PaletteBorder commonBorder = new PaletteBorder(borderInherit, NeedPaintDelegate); _stateCommon = new PaletteTreeStateRedirect(Redirector, commonBack, backInherit, commonBorder, borderInherit, NeedPaintDelegate); PaletteBackColor1 disabledBack = new PaletteBackColor1(_stateCommon.PaletteBack, NeedPaintDelegate); PaletteBorder disabledBorder = new PaletteBorder(_stateCommon.PaletteBorder, NeedPaintDelegate); _stateDisabled = new PaletteTreeState(_stateCommon, disabledBack, disabledBorder, NeedPaintDelegate); PaletteBackColor1 normalBack = new PaletteBackColor1(_stateCommon.PaletteBack, NeedPaintDelegate); PaletteBorder normalBorder = new PaletteBorder(_stateCommon.PaletteBorder, NeedPaintDelegate); _stateNormal = new PaletteTreeState(_stateCommon, normalBack, normalBorder, NeedPaintDelegate); PaletteBackColor1 activeBack = new PaletteBackColor1(_stateCommon.PaletteBack, NeedPaintDelegate); PaletteBorder activeBorder = new PaletteBorder(_stateCommon.PaletteBorder, NeedPaintDelegate); _stateActive = new PaletteDouble(_stateCommon, activeBack, activeBorder, NeedPaintDelegate); _stateFocus = new PaletteTreeNodeTripleRedirect(Redirector, PaletteBackStyle.ButtonListItem, PaletteBorderStyle.ButtonListItem, PaletteContentStyle.ButtonListItem, NeedPaintDelegate); _stateTracking = new PaletteTreeNodeTriple(_stateCommon.Node, NeedPaintDelegate); _statePressed = new PaletteTreeNodeTriple(_stateCommon.Node, NeedPaintDelegate); _stateCheckedNormal = new PaletteTreeNodeTriple(_stateCommon.Node, NeedPaintDelegate); _stateCheckedTracking = new PaletteTreeNodeTriple(_stateCommon.Node, NeedPaintDelegate); _stateCheckedPressed = new PaletteTreeNodeTriple(_stateCommon.Node, NeedPaintDelegate); // Create the override handling classes _overrideNormal = new PaletteTripleOverride(_stateFocus.Node, _stateNormal.Node, PaletteState.FocusOverride); _overrideTracking = new PaletteTripleOverride(_stateFocus.Node, _stateTracking.Node, PaletteState.FocusOverride); _overridePressed = new PaletteTripleOverride(_stateFocus.Node, _statePressed.Node, PaletteState.FocusOverride); _overrideCheckedNormal = new PaletteTripleOverride(_stateFocus.Node, _stateCheckedNormal.Node, PaletteState.FocusOverride); _overrideCheckedTracking = new PaletteTripleOverride(_stateFocus.Node, _stateCheckedTracking.Node, PaletteState.FocusOverride); _overrideCheckedPressed = new PaletteTripleOverride(_stateFocus.Node, _stateCheckedPressed.Node, PaletteState.FocusOverride); _overrideNormalNode = new PaletteNodeOverride(_overrideNormal); // Create the check box image drawer and place inside element so it is always centered _drawCheckBox = new ViewDrawCheckBox(_redirectImages); _layoutCheckBox = new ViewLayoutCenter(); _layoutCheckBox.Add(_drawCheckBox); // Stack used to layout the location of the node image _layoutImage = new ViewLayoutSeparator(0, 0); _layoutImageAfter = new ViewLayoutSeparator(3, 0); _layoutImageCenter = new ViewLayoutCenter(_layoutImage); _layoutImageStack = new ViewLayoutStack(true); _layoutImageStack.Add(_layoutImageCenter); _layoutImageStack.Add(_layoutImageAfter); _layoutImageState = new ViewLayoutSeparator(16, 16); _layoutImageCenterState = new ViewLayoutCenter(_layoutImageState); // Create the draw element for owner drawing individual items _contentValues = new FixedContentValue(); _drawButton = new ViewDrawButton(StateDisabled.Node, _overrideNormalNode, _overrideTracking, _overridePressed, _overrideCheckedNormal, _overrideCheckedTracking, _overrideCheckedPressed, new PaletteMetricRedirect(Redirector), _contentValues, VisualOrientation.Top, false); // Place check box on the left and the label in the remainder _layoutDocker = new ViewLayoutDocker(); _layoutDocker.Add(_layoutImageStack, ViewDockStyle.Left); _layoutDocker.Add(_layoutImageCenterState, ViewDockStyle.Left); _layoutDocker.Add(_layoutCheckBox, ViewDockStyle.Left); _layoutDocker.Add(_drawButton, ViewDockStyle.Fill); // Create the internal tree view used for containing content _treeView = new InternalTreeView(this); _treeView.TrackMouseEnter += new EventHandler(OnTreeViewMouseChange); _treeView.TrackMouseLeave += new EventHandler(OnTreeViewMouseChange); _treeView.GotFocus += new EventHandler(OnTreeViewGotFocus); _treeView.LostFocus += new EventHandler(OnTreeViewLostFocus); _treeView.KeyDown += new KeyEventHandler(OnTreeViewKeyDown); _treeView.KeyUp += new KeyEventHandler(OnTreeViewKeyUp); _treeView.KeyPress += new KeyPressEventHandler(OnTreeViewKeyPress); _treeView.PreviewKeyDown += new PreviewKeyDownEventHandler(OnTreeViewPreviewKeyDown); _treeView.Validating += new CancelEventHandler(OnTreeViewValidating); _treeView.Validated += new EventHandler(OnTreeViewValidated); _treeView.AfterCheck += new TreeViewEventHandler(OnTreeViewAfterCheck); _treeView.AfterCollapse += new TreeViewEventHandler(OnTreeViewAfterCollapse); _treeView.AfterExpand += new TreeViewEventHandler(OnTreeViewAfterExpand); _treeView.AfterLabelEdit += new NodeLabelEditEventHandler(OnTreeViewAfterLabelEdit); _treeView.AfterSelect += new TreeViewEventHandler(OnTreeViewAfterSelect); _treeView.BeforeCheck += new TreeViewCancelEventHandler(OnTreeViewBeforeCheck); _treeView.BeforeCollapse += new TreeViewCancelEventHandler(OnTreeViewBeforeCollapse); _treeView.BeforeExpand += new TreeViewCancelEventHandler(OnTreeViewBeforeExpand); _treeView.BeforeLabelEdit += new NodeLabelEditEventHandler(OnTreeViewBeforeLabelEdit); _treeView.BeforeSelect += new TreeViewCancelEventHandler(OnTreeViewBeforeSelect); _treeView.ItemDrag += new ItemDragEventHandler(OnTreeViewItemDrag); _treeView.NodeMouseClick += new TreeNodeMouseClickEventHandler(OnTreeViewNodeMouseClick); _treeView.NodeMouseDoubleClick += new TreeNodeMouseClickEventHandler(OnTreeViewNodeMouseDoubleClick); _treeView.NodeMouseHover += new TreeNodeMouseHoverEventHandler(OnTreeViewNodeMouseHover); _treeView.DrawNode += new DrawTreeNodeEventHandler(OnTreeViewDrawNode); _treeView.DrawMode = TreeViewDrawMode.OwnerDrawAll; // Create the element that fills the remainder space and remembers fill rectange _layoutFill = new ViewLayoutFill(_treeView); _layoutFill.DisplayPadding = new Padding(1); // Create inner view for placing inside the drawing docker _drawDockerInner = new ViewLayoutDocker(); _drawDockerInner.Add(_layoutFill, ViewDockStyle.Fill); // Create view for the control border and background _drawDockerOuter = new ViewDrawDocker(_stateNormal.Back, _stateNormal.Border); _drawDockerOuter.Add(_drawDockerInner, ViewDockStyle.Fill); // Create the view manager instance ViewManager = new ViewManager(this, _drawDockerOuter); // We need to create and cache a device context compatible with the display _screenDC = PI.CreateCompatibleDC(IntPtr.Zero); // Add tree view to the controls collection ((KryptonReadOnlyControls)Controls).AddInternal(_treeView); }
/// <summary> /// Initialize a new instance of the KryptonCheckedListBox class. /// </summary> public KryptonCheckedListBox() { // Contains another control and needs marking as such for validation to work SetStyle(ControlStyles.ContainerControl, true); // Cannot select this control, only the child CheckedListBox and does not generate a click event SetStyle(ControlStyles.Selectable | ControlStyles.StandardClick, false); // Default fields _alwaysActive = true; _style = ButtonStyle.ListItem; _lastSelectedIndex = -1; base.Padding = new Padding(1); // Create the palette storage _images = new CheckBoxImages(NeedPaintDelegate); _paletteCheckBoxImages = new PaletteRedirectCheckBox(Redirector, _images); _stateCommon = new PaletteListStateRedirect(Redirector, PaletteBackStyle.InputControlStandalone, PaletteBorderStyle.InputControlStandalone, NeedPaintDelegate); _stateFocus = new PaletteListItemTripleRedirect(Redirector, PaletteBackStyle.ButtonListItem, PaletteBorderStyle.ButtonListItem, PaletteContentStyle.ButtonListItem, NeedPaintDelegate); _stateDisabled = new PaletteListState(_stateCommon, NeedPaintDelegate); _stateActive = new PaletteDouble(_stateCommon, NeedPaintDelegate); _stateNormal = new PaletteListState(_stateCommon, NeedPaintDelegate); _stateTracking = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate); _statePressed = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate); _stateCheckedNormal = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate); _stateCheckedTracking = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate); _stateCheckedPressed = new PaletteListItemTriple(_stateCommon.Item, NeedPaintDelegate); // Create the override handling classes _overrideNormal = new PaletteTripleOverride(_stateFocus.Item, _stateNormal.Item, PaletteState.FocusOverride); _overrideTracking = new PaletteTripleOverride(_stateFocus.Item, _stateTracking.Item, PaletteState.FocusOverride); _overridePressed = new PaletteTripleOverride(_stateFocus.Item, _statePressed.Item, PaletteState.FocusOverride); _overrideCheckedNormal = new PaletteTripleOverride(_stateFocus.Item, _stateCheckedNormal.Item, PaletteState.FocusOverride); _overrideCheckedTracking = new PaletteTripleOverride(_stateFocus.Item, _stateCheckedTracking.Item, PaletteState.FocusOverride); _overrideCheckedPressed = new PaletteTripleOverride(_stateFocus.Item, _stateCheckedPressed.Item, PaletteState.FocusOverride); // Create the check box image drawer and place inside element so it is always centered _drawCheckBox = new ViewDrawCheckBox(_paletteCheckBoxImages); _layoutCenter = new ViewLayoutCenter(); _layoutCenter.Add(_drawCheckBox); // Create the draw element for owner drawing individual items _contentValues = new FixedContentValue(); _drawButton = new ViewDrawButton(StateDisabled.Item, _overrideNormal, _overrideTracking, _overridePressed, _overrideCheckedNormal, _overrideCheckedTracking, _overrideCheckedPressed, new PaletteMetricRedirect(Redirector), _contentValues, VisualOrientation.Top, false); // Place check box on the left and the label in the remainder _layoutDocker = new ViewLayoutDocker(); _layoutDocker.Add(new ViewLayoutSeparator(1), ViewDockStyle.Left); _layoutDocker.Add(_layoutCenter, ViewDockStyle.Left); _layoutDocker.Add(new ViewLayoutSeparator(2), ViewDockStyle.Left); _layoutDocker.Add(_drawButton, ViewDockStyle.Fill); // Create the internal list box used for containing content _listBox = new InternalCheckedListBox(this); _listBox.DrawItem += new DrawItemEventHandler(OnListBoxDrawItem); _listBox.MeasureItem += new MeasureItemEventHandler(OnListBoxMeasureItem); _listBox.TrackMouseEnter += new EventHandler(OnListBoxMouseChange); _listBox.TrackMouseLeave += new EventHandler(OnListBoxMouseChange); _listBox.SelectedIndexChanged += new EventHandler(OnListBoxSelectedIndexChanged); _listBox.SelectedValueChanged += new EventHandler(OnListBoxSelectedValueChanged); _listBox.Format += new ListControlConvertEventHandler(OnListBoxFormat); _listBox.FormatInfoChanged += new EventHandler(OnListBoxFormatInfoChanged); _listBox.FormatStringChanged += new EventHandler(OnListBoxFormatStringChanged); _listBox.FormattingEnabledChanged += new EventHandler(OnListBoxFormattingEnabledChanged); _listBox.GotFocus += new EventHandler(OnListBoxGotFocus); _listBox.LostFocus += new EventHandler(OnListBoxLostFocus); _listBox.KeyDown += new KeyEventHandler(OnListBoxKeyDown); _listBox.KeyUp += new KeyEventHandler(OnListBoxKeyUp); _listBox.KeyPress += new KeyPressEventHandler(OnListBoxKeyPress); _listBox.PreviewKeyDown += new PreviewKeyDownEventHandler(OnListBoxPreviewKeyDown); _listBox.Validating += new CancelEventHandler(OnListBoxValidating); _listBox.Validated += new EventHandler(OnListBoxValidated); // Create extra collections for storing checked state and checked items _checkedItems = new CheckedItemCollection(this); _checkedIndices = new CheckedIndexCollection(this); // Create the element that fills the remainder space and remembers fill rectange _layoutFill = new ViewLayoutFill(_listBox); _layoutFill.DisplayPadding = new Padding(1); // Create inner view for placing inside the drawing docker _drawDockerInner = new ViewLayoutDocker(); _drawDockerInner.Add(_layoutFill, ViewDockStyle.Fill); // Create view for the control border and background _drawDockerOuter = new ViewDrawDocker(_stateNormal.Back, _stateNormal.Border); _drawDockerOuter.Add(_drawDockerInner, ViewDockStyle.Fill); // Create the view manager instance ViewManager = new ViewManager(this, _drawDockerOuter); // We need to create and cache a device context compatible with the display _screenDC = PI.CreateCompatibleDC(IntPtr.Zero); // Add text box to the controls collection ((KryptonReadOnlyControls)Controls).AddInternal(_listBox); }