@ -465,6 +465,37 @@ _Released to registered users of the Plus Edition on May 14, 2022._
* In PropertyGrid, 2 new events, CategoryExpanded and CategoryCollapsed, are now raised when a category is respectively expanded or collapsed.
* In PropertyGrid, 2 new events, CategoryExpanded and CategoryCollapsed, are now raised when a category is respectively expanded or collapsed.
* In WindowControl, MessageBox and StyleableWindow controls, a new property, called TitleAlignment, can now be used to get/set the horizontal alignment of the controls’ title.
* In WindowControl, MessageBox and StyleableWindow controls, a new property, called TitleAlignment, can now be used to get/set the horizontal alignment of the controls’ title.
## <aid="Plus450"></a>v4.5 Plus Edition
_Released to registered users of the Plus Edition on October 5, 2022._
**25 improvements and bug fixes**
* In AvalonDock, the DockingManager now includes four new events, called PreviewFloat, Floated, PreviewDock and Docked, which track the floating and docking process of a LayoutAnchorable or LayoutDocument.
* In AvalonDock, hovering over the application's taskbar icon will now show all of the DockingManager’s floating windows along with the application's main window.
* In AvalonDock, floating LayoutAnchorables that are docked as tabbed documents now dock back properly into the DockingManager when it has no children.
* In AvalonDock, when floating, maximizing, and minimizing Layout windows, the FloatingHeight and FloatingWidth properties now return the correct values.
* In AvalonDock, selecting a LayoutContent that has its Content property set to null will now properly select that LayoutContent.
* In AvalonDock, a LayoutAnchorable no longer docks to itself when docking a FloatingAnchorable that was floated from a LayoutDocumentPane where it was a unique child.
* In AvalonDock, when a Layout is floated and closed, its IsFloating property is now set to false.
* In AvalonDock, all of the parent's InputBindings are now used by the floating windows.
* In AvalonDock, reloading an application that contains LayoutDocumentFloatingWindows now keeps the InputBindings active in the floating windows.
* In AvalonDock, resetting the layout with a default file no longer throws a NullRefException.
* In AvalonDock, an exception is no longer thrown when undocking tabbed LayoutItems that are not contained in a DocumentPaneTabPanel.
* In CollectionControl, cancelling no longer removes child items from the Collection.
* In DateTimePicker, an exception is no longer thrown when the calendar popup is opened.
* In DockingManager, a new property, called AllowMovingFloatingWindowWithKeyboard, is now available to determine if a floating window control can be moved with the keyboard’s arrow keys or not.
* The DropDownButton no longer closes when the child ContextMenu is opened.
* In LayoutFloatingWindowControl, LayoutAnchorableFloatingWindowControl and LayoutDocumentFloatingWindowControl, a new property, called ResizeBorderThickness, can now be used to get or set the width of the border that is used to resize a floating window.
* In PropertyGrid, a new editor, the CheckComboBoxEditor, is now available for Enum properties that use "Flags".
* In PropertyGrid, using the mouse wheel over the vertical splitter that is located between the PropertyNames and PropertyValues now allows to scroll vertically.
* In ExtendedTabControl, two new buttons, called AddButton and RemoveButton, have been added in order to add or remove TabItems. Two new properties have also been added to get or set the buttons’ visibility.
* In ExtendedTabControl, new properties have been added to get or set the TabItems’ minimum or maximum width and height.
* In ExtendedTabControl, it is now possible to drag and drop between TabItems.
* In PropertyGrid, using the SelectedObjectsOverride property with many items now loads the PropertyItems faster and then fills up their values.
* In PropertyGrid, using the SelectedObjectsOverride property along with the ShowTitle property set to false no longer displays the title before hiding it and creating a flicker.
* When using the Office 2007 themes, WatermarkComboBox now displays the selected item if the IsEditable property is set to true.
We hope you love this release and decide to support the project by getting a license to Xceed Toolkit Plus for WPF.
We hope you love this release and decide to support the project by getting a license to Xceed Toolkit Plus for WPF.