Improvements in v5.1.0

v5.1.0

Released June 11 2026.

12 bug fixes and improvements

• A new class, called AppearanceProperties, can now be used to set the Radius, Margin, Foreground & FontWeight properties for controls without those base properties.
• A new converter class, called CornerRadiusReplacementConverter, is now used to adapt the radius converter according to the radius of the parent element.
• The obsolete MaskedTextBox control found in the Xceed.Wpf.Toolkit.Obselete namespace has been removed; users should use the MaskedTextBox found in the Xceed.Wpf.Toolkit namespace instead.
• The text within a watermark will now be correctly aligned inside the control.
• In AvalonDock, loading an app that has FloatingWindows containing LayoutAnchorables will no longer double the header of said windows automatically.
• In DateTimePicker & DateTimeUpDown, trailing zeros are no longer added to ms values that have less than 3 digits when focus is lost.
• In PropretyGrid, updating the content of the collection from a Collection PropertyItem will now properly validate and then correctly display the red border associated with said validation when necessary.
• In DateTimePicker, a new property, called AutoCloseCalendarOnTodayButton, can now be used to get or set if the calendar popup closes automatically when a user clicks on the Today button.
• In ChildWindow, the other non-modal ChildWindow will now become inactive when a new Modal ChildWindow is added.
• In PropertyGrid, the initial object’s properties will no longer be reset to its default values when using a collection of T, where T is a derived class, and clicking the Cancel button while editing a property.
• In RichTextBox , special characters & symbols, such as Ø, will now be rendered correctly.
• The title of the floating window’s taskbar now updates correctly when the LayoutContent’s title changes.

We hope you love this release and decide to support the project by getting a license to Xceed Toolkit Plus for WPF. -- Xceed Team

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