Universal Windows Controls 2018.1 build 331 Maintenance Release

Announcements Forum

Posted 6 years ago by Actipro Software Support - Cleveland, OH, USA

A new maintenance release of the Universal Windows Controls is now available.

Detailed Update List


  • Updated bar charts to pass the XYDataPoint as data context into the BarTemplate.


  • Added the 'Close Tab Group' menu item to tabbed MDI document tab context menus.
  • Added the DockSiteLayoutSerialization.CanKeepExistingDocumentWindowsOpen property that can be set to true to keep open document windows that were open prior to a document layout deserialization, even if they aren't in the deserialized layout data.
  • Added automation IDs to all menu items.
  • Updated TabbedMdiContainer to ensure that activating an already-selected tab makes it fully-visible.
  • Fixed a bug where a splitter drag bar could be kept visible in a certain scenario when not using live splitting.
  • Improved the target size logic of the DockingWindow.MoveToNewHorizontalContainer and MoveToNewVerticalContainer methods.
  • Improved docking window breadcrumb tracking logic.
  • Updated the UIA peers for docking window tabs to provide access to embedded buttons.


  • Updated edit box text copied to the clipboard to remain on the clipboard after app exit.
  • Updated edit boxes that increment Double values to snap to the nearest decimal place indicated by the increment amount.
  • Updated MaskedTextBox's regex patterns to support empty strings.
  • Updated the default MonthCalendar.DayItemTemplate property value to support day number display for various calendars.
  • Updated MonthCalendar logic to better handle display of various calendars.
  • Improved how MaskedTextBox handles invalid input.
  • Fixed a bug where Enum-related controls weren't supporting localized string resources for DisplayAttribute values.
  • Fixed a bug where EnumListBox didn't handle ulong-based flags enumerations properly.


  • Updated filtering logic to better handle the OnExpansion tree item children query mode.
  • Updated some item adapter logic to not execute if there is a null TreeListBox.RootItem.
  • Updated focus handling code to not move focus when various TreeListView item updates occur while focus is within a column header.
  • Fixed a bug introduced in the previous build where certain number pad keys might not work in property value editors.
  • Fixed a bug where the TreeListBox.SelectionChanged event could get raised twice.
  • Fixed a bug where the TreeListBoxItem.OnPointerPressed method could throw an exception.
  • Fixed a UI bug in a certain scenario where a TreeListBox data item's children were populated as it was expanded.
  • Added UI automation peers.
  • Added the TreeListBox.ExpandAll and CollapseAll methods.


  • Updated several language add-on token tagger classes to better support syntax highlighting for other merged languages.
  • Updated text copied to the clipboard to remain on the clipboard after app exit.
  • Improved collapsible region highlighting logic.
LL(*) Parser Framework
  • Updated the IParserState.ReportError method to allow a higher-level parse error to overwrite an existing parse error at the same text position.
.NET Languages Add-on
  • Improved IntelliPrompt when typing within lambda expressions.
  • Fixed a bug where calling TextSnapshotReader.PeekTokenReverse at the end of a snapshot might not retain the document end token.


  • Added the TaskBoard.ColumnDragOver and CardDragOver events that fire as columns and cards are dragged over target columns/cards, allowing certain targets to be programmatically blocked.

Actipro Software Support