Product Changelog

New features

• The Ctrl+click and Shift+click behavior now respects the Options.Selection.SelectionMode option.

Improvements

• The NodePopulating treeview event is now also firing when new data source item is added in bound mode.
• Handle the case when the parent form is closed from a treeview event handler.

Bug fixes

• A child node's ControlContainer is not shown if the child node was attached to a detached parent node.
• Application freezes on disposing the treeview with many nodes.
• Hidden nodes were not detached from parent node when treeview was cleared.
• An ArgumentException is thrown in case both parent and children nodes are shown and hidden sequentially.
• The CreateBoundNode treeview method has not been called in bound mode when a new data object added to the data source.

New features

• Nodes visibility filtering possibility added.

Improvements

• The CreateBoundNode treeview method is added to override the used bindable node in bound mode.

Bug fixes

• The node control's wrap state was not counted while calculating the auto-sized column width.

New features

• .NET 4.6 and Visual Studio 2015 support added.
• NodeMarker node control added.
• NodeComboBoxString node control added.
• NodeDateTime's editor min & max values support added.
• NodeDateTime support of Nullable<DateTime> data type added.
• NodeDateTime.PlaceholderText property added.

Improvements

• Use the DataColumn.Caption value, if defined, for the auto-generated column in data-bound mode.
• Treeview rendering performance improvements while handling non-IConvertible data types in the bound mode.
• NodeImage node control now supports more generic System.Drawing.Image data type instead of System.Drawing.Bitmap.

Bug fixes

• HtmlTextHelper.TextToHtml produced an incorrect result when converting the HTML text with < and & symbols.
• NodeDateTime crashes when trying to edit a dummy 1/1/1001 date.

New features

• NodeCheckBox node control now supports boolean properties in bound mode.

Bug fixes

• The license installation window is cropped when the system font size is increased.
• An unhandled exception is thrown when editing a DBNull value in bound mode.

New features

• Treeview transparent background support added.
• The background-color HTML tag support added.
• Ability to track the treeview horizontal scroll position.
• Ability to override the DataProvider for each summary.
• Ability to override the condition of when an expandable control became expanded.
• Allow to substitute the tree column instance when binding the data by overriding the CreateBoundColumn treeview method.
• Ability to show the columns selection form from the code.

Improvements

• Regex support is added for the FindChildNodeByText and FindChildNodesByText node methods.

Bug fixes

• Memory leak while disposing the treeview.
• The bound DataTable change tracking mechanism produces duplicate nodes when the DataTable re-bound multiple times.

New features

• The column controls was added to decorate the column header with the quick-action buttons.
• The NodeButton node control was added to display a button inside the node.
• The ability to clone the BindableNode class instance was added to support the copy-paste functionality in bound mode.
• Node can now be expanded even if it was not added to the treeview or doesn't have children nodes.
• The eNodeControlFilterMode.UseVisibility mode was added to filter node controls visibility using their Visibility property.
• The Node.Tag property was added to store any user-defined data linked to the particular node.
• NodeCheckBox node control now supports boolean and Nullable<boolean> data types in the unbound mode.
• The Node.FindChildNodesByText method was added to find children nodes by their Text.
• The NodeEditorAdjust treeview event was added to manually adjust the node editor location when user starts the node field edit.

Improvements

• The double and byte data types are now supported in the bound mode.
• The treeview databinding major improvements when using the DataBindingElementAttribute attribute.
• When the text wrap mode is enabled the 'new line' delimiters (\r\n, \r and \n) are supported now.
• The treeview columns search possibilities is improved.
• The treeview.Columns.Find(point) and treeview.Columns.GetColumnAt methods were added.
• An unbound node control now retrieves values from the bound object instead of the BindableNode instance.
• The MouseActionArgs.Column property was added that keeps the column on which the mouse cursor was located at the event's time.

Bug fixes

• Treeview freezes when the children nodes were added dynamically to a lazy-loaded parent node and the mouse was over the treeview.
• The NullReferenceException is thrown when treeview was bound to a sortable data source.
• Treeview crashes when the node controls list is cleared and mouse was moving over the treeview.

New features

• .NET 4.5 and Visual Studio 2012 support added.
• The IMG HTML tag support added.
• The NodeComboBoxEnum node control added to display and edit an enum data fields without additional coding.
• The MinHeight and MaxHeight node properties were added to limit the node maximal and minimal allowed height when the AutoNodeHeight mode is enabled.
• The Colors.SummaryColorCollection treeview colors collection added to override the summaries' theme colors in design-time.
• Ability to inject a custom node control when binding the data source.

Improvements

• The bound fields of Enum data type out-of-the-box support added.
• The disabled Node now will not change the mouse cursor to the Hand under a HTML link.

New features

• The NodeColumnBackground node control added to customize the node background.
• The NodeProgressBar.StartColorFieldName and EndColorFieldName properties have been added to bind and customize the progress bar colors per node.

Improvements

• The Node.Find<T> method added to find the nodes of specified type with a predicate.
• Possibility to inject a data converter between the bound data source and the treeview for bidirectional auto-conversion of the treeview unsupported data types back and forth.
• Added possibility to override the NodeProgressBar bar's colors per theme for all nodes in the treeview.

Bug fixes

• The NullReferenceException exception is thrown when refreshing the data source and mouse is staying over the treeview.
• Newly created node's Id property is not set with the corresponding value from the data object when a new data object is added to a bidirectional data source.
• The NodeComboBox.MaxDropDownItems property value was not used properly.
• The value of the field which name is specified in the DataBinding.ParentFieldName wasn't updated when moving the node between other child nodes in the new parent in data-bound and bidirectional modes.
• New data objects are created in the attached data source if BoundMode=false but BidirectionalMode=true instead of updating existing object.
• Not all children nodes were moved to new parent node when removing old parent node and treeview is bound to a data source.

Breaking changes

• The Node.IsVisible property has been renamed to IsRowVisible.

New features

• The DataBindingElementAttribute.ReadOnly property added to bind readonly properties to the treeview.

Improvements

• The CurrentEditor treeview property has been exposed to get a node control that is currently shows its editor.
• The TreeColumn.Bounds property was exposed to get the column bounds.

Bug fixes

• The NodeColorPicker node control requests the node property instead of bound data object in a bound treeview.
• The treeview cursor is not restored when the column was resized.
• The treeview layout is broken when the latest visible column is hidden.
• The NodeComboBox node control's editor commits changes right after the selected item has changed, not awaiting for confirmation from user.
• The InvalidOperationException exception may be thrown when treeview is intensively redrawn and has a NodeControlContainer node control.
• The HtmlTextHelper.TextToHtml method does not convert symbol '&' within the supplied text into a correct html presentation.
• Bound data row become in 'Deleted' state when moving the node by drag & drop or from the code.
• Bad performance of a bound treeview in debug mode.
• The IsBeforeAction argument of the KeyDown and KeyUp treeview events is always TRUE.
• Compilation error in C++ projects.
• The Samples Suite project starts slowly under VS debugger.

New features

• Interactive check state in the data-bound mode now is supported.
• The NodeCheckBox node control now supports binding to the bool, Nullable<bool>, int, Nullable<int> and eCheckState property types.

Improvements

• The Interactive check state calculation algorithm now doesn't take into account nodes with hidden NodeCheckState node control.

Bug fixes

• .NET 4.0 Client Profile application build error when Flexible TreeView assembly is referenced.
• Hidden node control still appear in the drag & drop thumbnail image.
• The Node.AddRange method throws NullReferenceException exception when called for a node that was not added to the treeview.
• An exception is thrown when the attached control that cannot be focused was clicked.
• The treeview throws the NullReferenceException exception when its structure being changed and the redraw operation occurs at the same time.

New features

• Separate built assemblies for .NET 2.0, 4.0 and 4.0 Client Profile are now provided with the installation.
• NodeCheckBox node control now shows the highlighted icons when the mouse hovers over the node control.
• Possibility to override hot icons used by the NodeCheckBox node control.
• The <tab [width='xx']> new HTML markup tag is added to insert the tabs into a HTML formatted text.

Improvements

• NodeComboBox node control now automatically shows the drop-down list when the node editing was started.

Bug fixes

• The treeview.Nodes.Clear method didn't clear the SelectedNode/FocusedNode values.
• Node control's custom cursor was not taken into account and changed to default when the node control was clicked.

Breaking changes

• All data source fields with the same DataBindingElementAttribute.DisplayName value now shown in one column.
• Treeview.Columns.GetColumns method was renamed to FilterColumns to clearly reflect the method purpose.

New features

• Bidirectional (two-way) data binding was added.
• The DataBindingElementAttribute.AutoSizeColumn property added to autosize the generated columns in bound mode.

Bug fixes

• The node with an attached user control didn't clear current selection when this control is clicked.

New features

• Treeview.PageScrollRowCount property added to define count of rows to scroll when the PageUp or PageDown keys was pressed.

Improvements

• Possibility to override the column header text and icon appearance by overriding the DrawText and DrawImage TreeColumn's methods was added.

Bug fixes

• Treeview with an animated NodeImage node control hangs when disposed.
• Incorrect width calculation of the auto-sizable column.
• Exception is thrown when the node is collapsed while the mouse was under a child node.
• Wrong node controls layout when they span columns and a node control before the plus-minus symbol is present.
• Child nodes are invisible for a parent with load-on-demand enabled in some cases.
• Treeview does not expand the node with the load-on-demand enabled when the Right key is pressed.
• Node editor is not hidden when a modal window was displayed from the NodeEdited event handler.
• The plus-minus symbol was displayed in the drag&drop thumbnail image while should not.

New features

• SmartVerticalScrollSpeedFactor treeview property added to be able to control the smart vertical scroll speed.
• NodeIndexChanged treeview event added to notify when the node index is changed.
• The Find(Func<Node,bool> predicate) node method added to search for the nodes with a predicate.

Improvements

• Performance improvements when adding many nodes to the treeview.
• Performance improvements when working with the big data sources in the treeview.
• NodeInserted and NodeRemoved treeview events now raised when the node parent has changed.
• NodeCheckBox node control now raises the NodeEditValidate and NodeEdited treeview events when the user changes the node check state.
• The 'Node. Load on demand' Knowledge Base topic added.
• The 'Treeviews performance comparison' Knowledge Base topic added.

Bug fixes

• Wrong node editor position when the user interaction take in place before the editor was shown.
• The 'Access to the disposed object' exception was thrown if start editing a node in the recreated treeview.
• Broken nodes layout in the treeview with many node levels.
• Row background incomplete update when using the Node.Invalidate method.
• Error when many treeviews are bound to the same data simultaneously.
• Error when many data-bound treeviews are created simultaneously.
• Wrong data binding result to an image property in some cases.
• Wrong scroll position when scrolling using the mouse wheel in the unfocused treeview.

Breaking changes

• The Treeview.DragDropOptions.AutoMoveNodes property has been replaced with the DropAction property with Notify, AutoMove, AutoCopy, AutoMoveOrCopy modes.
• The DragDropState.RealNode treeview property has been renamed to RealTargetNode.

New features

• Ability to move the plus-minus symbol to other non-first columns is added.
• Ability to display node controls on the left side of the plus-minus symbol is added.
• NodeImage.HoverDataFieldName property added to auto-display other image when the node control is under the mouse cursor.
• NodeImage.UseHoverImageForSelectedNode property added to use hover images for the selected/focused nodes.
• eEditStartMode.ClickOnSelected (option for the EditStartMode node control property) mode is added to start editing only when a selected or focused node has been clicked.
• LicenseManager console application added to manage Flexible TreeView licenses in the corporate environment or the build machines where Visual Studio is not installed.

Improvements

• The NodeEdited treeview event contract has been expanded and now provides the node bound member old and new values.
• Double click on the editable node control does not start editing of this node control now.
• Treeview performance has been increased when node controls are bound to non-existing node members.

Bug fixes

• Color editor didn't apply the color changes automatically when the mouse cursor hovers over the color box.
• Exception was thrown within the MouseUp event handler when the mouse down logic is customized by the user code.
• Exception was thrown when a non-selected node is focused in the treeview with the activated selection validation.
• Node control editor doesn't update own position properly when other node was highlighted.

Breaking changes

• Now treeview doesn't clear selection if the mouse is clicked on a selected node.

New features

• Data binding support was completely reimplemented.

Improvements

• NodeCheckBox node control now can be bound to a boolean field as well along with the eCheckState.

Bug fixes

• An exception is thrown when the user right clicked on the non-column space.
• An exception is thrown in some cases when disposing the treeview control.
• Expandable control doesn't store the title font style properly.
• Treeview crashes when the Home or End keys were pressed in the treeview with no focused node.

New features

• Visual Studio 2010 support and integration added.
• Bound data access speed has been greatly improved.
• The NodeDateTime node control added to display and edit the date/time value in the treeview.
• The FillFreeSpace column property added to auto-stretch last column to fill all the available treeview free space.
• The NodeEditorHidden treeview event added.

Improvements

• The node control value editing started by a hot key (NodeControl.EditHotKey) now begins without a delay specified in the EditStartDelay treeview property.

Bug fixes

• The treeview didn't start editing if the data is empty.
• Wrong node order is kept when sorting data by the NodeNumeric node control.
• The NodeNumeric edit control shown the entered digits incorrectly.

Breaking changes

• The IsSimpleSelection treeview property has been renamed to HasSimpleSelection.

New features

• The NodeProgressBar node control has been added to show the progress bar in the treeview.
• The CreateDragDataObject treeview method added to customize the drag & drop data type and content to be able to drop the nodes into the external applications.
• The IAttachableControl interface added to dynamically interact with the custom controls attached through the ControlContainer.
• The Invalidate node method added to update only the specific node in the treeview.
• The AllParentNodes node property added to easily enumerate node's parent nodes.
• The IsChecked node property added to quickly check whether the node is checked.

Improvements

• The HotNodeChanged treeview event's contract has been extended to provide the information about the previous and new hot node.

Bug fixes

• The HotNodeChanged treeview event raised twice when the mouse hover over the column header.
• NodeCheckBox didn't update the bound property when the node check state changes.
• The treeview crashes when the node with the attached controls is detached.
• The StackOverflowException exception raised on the drag & drop operation from an external application.
• Treeview doesn't scroll with the mouse wheel with specific mouse settings.
• Treeview doesn't hide the node editor when is scrolled by the scroll bar.

Breaking changes

• The 'TreeView' node, node control and column properties were renamed to 'Treeview' to maintain consistency with other classes.

New features

• The ColumnSpan node control property added to allow the node control to span the specified columns count.
• The Wrap node control property added to display the node control below all sibling node controls.
• The Options.NodeControl.DynamicColumnSpan treeview property added to dynamically control the node control's column span value.
• The NodeControlColumnSpan treeview event added to dynamically set the node control's column span value.
• The Visibility and VisibilityManager node control properties added to specify the node control's visibility within the node with different states.
• The ImageAlign column property now has the eColumnImageAlign type and new alignment called Center has been added to center the column image.
• The IsHot node property added to check whether the node currently is under the mouse cursor.
• The IsVisibleForNode node control method added to manually control the node control visibility for every node.
• The eObjectVisibility.GeneralNode mode added to be able to display a node control or control container for a node that's not selected, not focused, not hot and not soft selected.
• The IHtmlTagInspector interface added to be able to control the appearance of every html tag shown in the treeview.

Improvements

• Performance improvements when using the visibility manager in the treeview with multiple nodes.

Bug fixes

• Node didn't display summaries correctly.
• Cannot deselect the latest selected node when the AllowEmptySelection treeview option is enabled.
• The SelectionChanged treeview event wasn't raised when an already selected node has been focused in the treeview with multi-selection enabled.

Bug fixes

• The hosted custom controls were not visible in the treeview.

Breaking changes

• The eNodeControlVisibility type has been moved from ARMSoft.FlexibleTreeView.Nodes to ARMSoft.FlexibleTreeView.NodeControls namespace.

New features

• Summaries support added to display an aggregation operation result.
• The NodeSeparator node control added to show the horizontal separator line within the node.
• The PaintRowBackground treeview event added to override every node background.
• The IndexableNode node class added to easily instantiate a node with an identifier.

Improvements

• The SelectionChanged treeview event now raises as well when the node has been detached from the parent node.
• The NodeControl.ExcludeFromSelection option now can be applied in the Partial highlight mode as well.

Bug fixes

• An empty node instance was passed to the NodeControlPopupShowing event parameter.
• Node controls in the hidden column were taken into account when calculating the node height but should not.
• Wrong node index in some cases when reordering nodes by drag & drop.
• Arithmetic overflow exception on Windows 7 when the treeview is scrolled by the mouse wheel.
• The color/gradient property designer raises an exception in some cases.

New features

• The DragDropOptions.AllowReorder property added to allow the user easily reorder the nodes by drag & drop (multi-selection is supported) when AutoMove is enabled.
• The Column's context menu has been added.
• The <s> HTML tag support added to show the strikeout text.
• The Node.Deselect method added to deselect a selected node.
• The DoDragDropNodes treeview method added to start the drag & drop process programmatically.
• Popupable node control improvements:
  1. The AutoFocus node control property added to auto-focus popup's control when it's shown.
  2. The NodeControlPopupShow treeview event has been replaced by the NodeControlPopupShowing and NodeControlPopupShown events that raised before and after the popup is shown respectively.
• The Select(Node[]) treeview method added to select multiple nodes with one method call.
• The LocalizeText treeview event added to easily localize the text, used in the treeview.
• The Options.Node.FocusOnControlClick treeview property added to focus the node when an attached custom control was clicked.
• The Checked node property added to easily change the node's check state.

Improvements

• When a custom control attached to a node receives focus, the parent node hosting that control will also receive focus if it was previously unfocused.
• The OnDragDrop treeview event now is raised anyway even if the node's auto-move feature is enabled, to notify that the drag & drop process is finished.
• API improvements:
  1. The Selected node property has been renamed to IsSelected and setter was removed. To select a node use the Select node method.
  2. The Focused node property has been renamed to IsFocused and setter was removed. To focus a node use the Focused node method.

Bug fixes

• Incorrect text size calculation in some cases.
• Incorrect NodeCombBox drop-down items retrieval when an interactive dropdown list is enabled.
• MouseMove node control didn't call properly on the node drag & drop.
• Incorrect selection state of selected nodes when the node is detached.
• The NodeControlContainer node control shown the attached control in a wrong place when drag & drop is started.
• The treeview doesn't allow to drag multiple selected nodes if there's no focused node.
• The treeview keeps the 'deny' cursor when drag & drop is finished if drop has been denied.
• The NodeComboBox node control throws an exception on edit start when it is bound to an unknown class member.

Breaking changes

• The eCheckType.RadioBox is renamed to eCheckType.RadioButton.
• The ThemeManagerOffice2007 renamed to ThemeManagerOffice2007Blue for future improvements.
• The NodeControlValueGet treeview event contract is changed to be more flexible and allow to partially override the node control content.
• The Options.Column.AllowMultiColumnSort treeview property moved to the TreeView.Options.Sorting class.

New features

• The NodeWithAnimImage class added to show animated images within the NodeImage node control.
• The Options.Sorting.AutoReSort treeview property added to re-sort the nodes when the treeview structure or content has changed.
• THe Image animation support added to the NodeImage node control.
• The FadeOutImageAnimation class added to easily fadeout the image animation in the NodeImage node control.
• The SequenceImageAnimation class added to do the sequential image animation in the NodeImage node control.
• The NodeLink node control added to easily display a text as a hyperlink.
• The AttachToColumn node control's method added to link a node control to a column by using the column instance instead of its identifier.
• Node styles was extended with the colors for a disabled node.
• The design-time editor for the ColumnId node control's property added to easily bind the node control to a column.
• The NodePaintBox node control added to show a completely custom content (like an image, text etc.) within the node.
• The NodeWithColor node class with the Color property added to easily use it with the NodeColorPicker node control.
• The NodeWithGradient node class with the Gradient property added to easily use it with the NodeColorPicker node control.
• The NodePopupContainer node control added to pop up a custom content (user controls, images etc.) upon the mouse click.
• The Cursor property added to all node control classes to customize the mouse cursor under a node control.
• The NodeColorPicker node control added to select a color or color gradient from the Office2007 styled color picker.
• The OnChanged node's virtual method added to notify the derived classes about the node changes.
• The NodeControlContainer node control added to show custom controls inside a node.
• The NodeExpandableControlContainer expandable node control added to show custom controls inside the node control's expandable area.
• The NodeWithControl node class added to easily show the custom control inside a node by using the NodeControlContainer or NodeExpandableControlContainer node controls.
• The GetNodeFieldValue node control method is exposed to retrieve the node data within the TreeView.NodeControlValueGet event for node control's content customization when NodeControl.VirtualMode is enabled.
• The ViewUpdate treeview method is exposed to allow the treeview quick updates with lower overhead when something non-important (colors, gradients etc.) has changed.
• The HtmlTextHelper.HtmlToText method added to convert a HTML text to a raw text with HTML tags auto-convertion.
• The Options.Selection.FocusNodeOnLinkClick treeview property added to auto-focus the node when a hyper link has been clicked inside that node.
• The VertScrollPosChanged treeview event added to monitor the treeview vertical scrollbar position changes.
• The Flash node method added to quickly 'flash' the node and catch an user eye on it.
• The ExpandChildren(bool pExpandSelf, int pExpandLevel) node method added to expand children nodes up to the specified child depth level.
• The CollapseChildren(bool pCollapseSelf, int pCollapseLevel) node method added to collapse children nodes up to the specified child depth level.
• The HotNodeChanged treeview event added to easily monitor the nodes under the mouse cursor when the mouse is moving over the treeview.
• The AttachTo node control method added to easily attach a node control to a treeview in run-time.
• TextEnabledSolidColor/TextEnabledInactiveSolidColor/TextDisabledSolidColor properties added to the text node controls and node styles to easily adjust the colors of the enabled/enabled inactive and disabled object states.
• The Style.Weak node property added to decide on how to combine the node style with the treeview settings.
• The NodeWithLink node class added for an easy integration with the NodeLink node control.

Improvements

• The ColumnSortOrderChanged event parameters were extended with a sorting node controls list.
• The Colors property for a description text of the expandable node control within the selected/focused/hot node added to the TreeView.Colors.NodeControl.ExpandableControl for future improvements.

Bug fixes

• Sorting a detached node thrown an exception.
• Wrong node check initial state when the load on demand is enabled.
• The TreeComboBox thrown an exception in the VS designer.
• The ThemeManager thrown an exception when running on Windows with the classic theme enabled.
• Wrong selection source in the SelectionChanged event when the mouse clicked with Control or Shift keys are pressed.
• Broken treeview license when the application file name was changed.
• The VertScrollPos treeview property change doesn't update the vertical scrollbar position properly.
• A node with zero height cause the treeview to display incorrectly.
• Deselecting a node with dynamic height doesn't recalculate the node height in some cases.
• Selecting the nodes by the mouse in the empty treeview thrown an exception.
• The Style node's property changes do not auto-update the treeview.
• A node control did not start editing with a keyboard shortcut.
• Wrong node height calculation when changing the text wrap mode in the treeview without columns.
• Node didn't show custom background gradient properly.
• Treeview didn't auto-expand the selected or focused node on drag & drop.
• The NodeNumeric node control thrown an exception on editing when the DecimalPlaces equals to -1.
• Incorrect treeview content width calculation when a node control with FillFreeSpace enabled exists.

New features

• The Select node's method without parameters added to just select a node.
• The ExcludeFromSelection node control property added to exclude a node control from the node selection area when tree's highlight mode is ContentOnly.
• The Sort node method with a custom node comparer parameter added to give more flexibility when sorting the nodes.

Bug fixes

• Changing the color gradient's angle thrown an exception.
• The NodeImage node control wasn't displayed within the selected node when the treeview highlight mode equals to ContentOnly.
• Moving a node control between columns doesn't re-sort the treeview.

New features

• The HTML text rendering support added.
• Plain and HTML text auto-wrapping support added.
• The TreeComboBox control added to show a treeview as a combo box's drop down.
• Allow to scroll the treeview content even if it is not focused.
• The ExpandedTitleStyle property added to the ExpandableTextBox and ExpandablePanel node controls to easily change the title's text style of the node control in expanded state.
• The ExpandableTextBox.DescriptionStyle property added to easily change the custom area's text style of the expandable node control.
• The ExpandableControl.TitleAlign property added to align the title text within an expandable node control.
• The NodeExpandableTextBox.DescriptionAlign property added to align the description text within an expandable node control.
• The Weak property added to the expandable control's TitleStyle, ExpandedTitleStyle, DescriptionStyle properties for non intrusive text style manipulations.
• The DragDropSettings.AutoMoveNodes property added to move the dragging nodes without additional coding.
• Draw column bounds on resize.
• The TreeView.Options.Sorting.GroupAlwaysOnTop property and TreeView.IsGroupNode event added to keep all "group" nodes on top when sorting the nodes.
• The SelectionChanging event now has the event arguments that describe how the selection was changed (programmatically, by mouse, or keyboard).
• The StaticValue property added to the NodeTextBox and NodeNumeric node controls to show a static content instead of the node field value.
• The FilterDragNodeControl event added to filter node controls when creating the drag & drop thumbnail image.
• The FlexibleTreeView.DefaultNodeComparer setter added to override the default sort behavior.
• The FlexibleTreeView.VertScrollPos property added to manually scroll the treeview vertically.
• The TreeColumn.GetPreferableColumnWidth() method added to get the column width so all the column content is visible.
• The Node.EnumerateParents method added to easily enumerate all node parent nodes.
• The NodeWithImage.ImageOpacity property added which allows to dynamically control the image opacity for every node.
• The Options.Node.ShowRootPlusMinus added to show or hide the plus-minus symbol for the root nodes.
• The Options.Selection.SelectionMode.MultiSameLevel added to select only the nodes of the same level.
• The Options.Selection.SelectionMode.MultiSameParent added to select only the nodes within the same parent.

Bug fixes

• Fill the column Text property with a default value when it attaches to the treeview.
• Treeview shows the drop position mark even if drag & drop is denied.
• Wrong thumbnail image size on the first drag & drop.
• Clicking a node control with the Shift key starts the edit operation while should only select the clicked node.
• ColorGradient editor now applies changes only when the OK button is clicked.
• The Cursor isn't changing when the drop permissions are changed.
• The Cursor isn't changing when the Control key pressed on drag & drop.
• Drop is denied when the mouse went out and comes back to the treeview bounds.
• Hiding (filtering out) the node control within a node didn't recalculate the node height.
• Hot node is wasn't invalidated when the treeview is scrolling and the mouse went out of its bounds.
• If AllowEmptySelection is enabled, node still can be unselected by clicking on the empty space.
• If single node is selected but not focused there's no way to make this node focused.
• Last node isn't visible in the tree with an expandable node control when a node of smaller height is selected.
• Moving the node to another parent node causes wrong selection state restoration in some cases.
• Non-visible node control still appear in the thumbnail image on drag & drop.
• Pressing the Left key didn't select the previous node when a root-level node is selected.
• Selecting a node with an expandable node control doesn't recalculate treeview's content width.
• Selecting the nodes with Shift key sometimes thrown an exception.
• ThemeManager didn't allow to customize the colors and color gradients due to those properties inaccessibility.
• Treeview in some cases doesn't clear selection when the Options.Selection.AllowEmptySelection option is enabled.
• When scroll bar is moving and mouse is over a treeview, it highlights a node under the mouse cursor.
• Wrong auto-sizing result of the first treeview's column when the AutoFitColumns is enabled.
• Wrong column auto-sizing result because the invisible node controls were not excluding.
• Wrong treeview content width calculation in the treeview without columns.
• Treeview doesn't allow to scroll to the latest node when a node with an expandable node control is selected.