DevExpress WPF 20.2.7

Improves Docking, Ribbon and Scheduler controls.

Fixes

DXGrid and DXTreeList for WPF

• Detail GridControl instances stay in memory when a new ItemsSource collection is assigned to the master grid.
• DropDownFilter's "All" CheckBox is checked with a delay in v20.2.5.
• Exception - NullReferenceException is raised in the LightweightCellEditor.ArrangeOverride method in certain scenarios.
• ExpressionEditor uses the DeepBlue theme even though ThemeName is set to a different theme in the Pivot or Data Grid.
• GridControl resets a value after switching LayoutPanel in TabbedGroup.
• NullReferenceException is raised in the ColumnWrapper.GetColumnItemsSource method when GridControl is exported with the LinearBandsAndColumns option.
• Positions of detail grid columns are not updated when their VisibleIndex properties are changed in code.
• Predefined Filters do not display the count of matching records with null values.
• The drag-drop mechanism doesn't allow dropping a child to its parent in TreeListView/TreeViewControl if this is the only child.
• The XlsxExportOptionsEx.CustomizeDocumentColumn event doesn't fire for banded GridControl.
• TreeListControl recalculates summaries even if they do not exist.
• TreeListView - PredefinedFormatName BlueWhiteRedColorScale is green in the Metropolis Dark theme.

All WPF products

• Microsoft Visual Studio Report Designer - "Could not find assembly 'Npgsql'" error while running the Report Wizard.
• WPF Report Designer - It is not possible to set Expressions in ExpressionsAdvanced mode.

DXBars for WPF

• BarCheckItem's intermediate state is not visible in the Microsoft Office 2019 Colorful theme.

DXCharts for WPF

• Call of AccordionControl.ClosePopup() causes a 3D chart to rotate.
• ChartControl colorizes all series with the same color after calling the ChartControl.UpdateData method.
• ChartControl does not render Spline and Line series correctly when ChartControl.IsDirectXSurfaceRendering is True.
• ChartControl does not render unselected Spline series if IsDirectXSurfaceRendering is True in certain cases.
• The Pane height changes when the axis range is changed at runtime.
• Usability - It's impossible to customize the Legend layout for RangeColorizer3D.

DXDiagram for WPF

• It's not possible to access DiagramControl from its PrintPageBackgroundTemplate.

DXDocking for WPF

• DockLayoutManager - LayoutGroup cannot generate items from ItemsSource if ItemTemplate's root is ContentPresenter or ContentControl that does not include a descendant of BaseLayoutItem.
• GridControl resets a value after switching LayoutPanel in TabbedGroup.

DXEditors for WPF

• ComboBoxEdit does not reset the incremental search timeout when the popup is closed.
• ComboBoxEdit throws ArgumentOutOfRangeException if a data item property is changed when the underlying collection is being updated.
• DateEdit - A drop-down button is misaligned in certain themes when DateEditPickerStyleSettings is used.
• GridControl resets a value after switching LayoutPanel in TabbedGroup.
• TextEdit does not allow dragging its content when the editor's entire text is selected.
• The delete button is duplicated multiple times for tokens in ComboBoxEdit placed in PropertyGridControl.

DXMap for WPF

• Map Editor - A point cannot be released during editing after the right-click event in certain situations.
• Map Editor - Adorners are incorrect for MapBubble in Transform mode.
• The MapEditor.SetTransformModeCommand.Execute method does not process a passed parameter.
• Vector tiles - AccessViolationException is thrown in certain situations.

DXPivotGrid for WPF

• ExpressionEditor uses the DeepBlue theme even though ThemeName is set to a different theme in the Pivot or Data Grid.
• PivotGrid - DivideByZeroException is thrown on restoring a layout.
• System.NullReferenceException is thrown when PivotGrid with a header image is exported in Data Aware mode.
• The Pivot Grid displays zeros when the Summary Filter is applied.
• WPF Pivot Grid - The "How to define a custom cell template that allows performing data editing" example that uses a private API fails after an update.

DXPropertyGrid for WPF

• The delete button is duplicated multiple times for tokens in ComboBoxEdit placed in PropertyGridControl.

DXRibbon for WPF

• StackOverflowException is thrown in demos when the theme selector's gallery is scrolled to the bottom.

DXRichEdit for WPF

• Import from DOCX - Significant performance issues on an attempt to load a document with a large amount of bookmarks.
• RichEditControl - An exception is thrown on an attempt to print a document if PrintSpooler is disabled.
• Tables - Borders are incompletely drawn for merged cells.
• UI - A table width is decreased after changing units of measurement from percentages to centimeters in the "Table Properties" form.
• UI - The "Customize Numbered List" dialog does not use units defined by the RichEditControl.Unit property.

DXScheduler for WPF

• An incorrect appointment is dragged if the drag operation is started by a click near the bottom edge of the appointment.
• FirstVisibleResourceIndex isn't updated correctly if resources are off screen.
• Navigation is slow in the Scheduler Control when the end-user swipes right or left.
• The VisibleIntervalsChanged event no longer fires when DayView is activated.

DXSpreadsheet for WPF

• The CloseCellEditor method forcibly moves focus to SpreadsheetControl, preventing interaction with other controls.

DXTreeMap for WPF

• The Tree Map layout does not reflect changes in a bound ObservableCollection.

MVVM Framework

• An exception is thrown when DXMessageBoxService is created and used from another thread.
• The Multiselect property is not in effect for DXOpenFolderDialogService.

Navigation Controls for WPF

• Call of AccordionControl.ClosePopup() causes a 3D chart to rotate.
• TreeViewControl throws NullReferenceException when a layout is being restored.

PDF Viewer for WPF

• PdfViewer does not show a warning dialog when an action is about to be executed by an external process.
• PdfViewerControl randomly crashes with a NullReferenceException when creating the setZoomFactorCommand and setZoomModeCommand commands.
• Usability - PdfViewer does not raise an event when a hyperlink represented by a launch action is clicked.

Themes and Theme Designer

• NullReferenceException is thrown in the ThemeManager.IsDXDefaultStyleThemable method.

Windows and Utility Controls for WPF

• An exception is thrown when DXMessageBoxService is created and used from another thread.
• DXFolderBrowserDialog - A folder doesn't show its subfolders if it was expanded by clicking the Make New Folder button.
• DXFolderBrowserDialog - A folder is displayed with an old auto-generated name after a new folder with a duplicate name was created.
• DXFolderBrowserDialog - A new folder is still shown after it was deleted.
• DXFolderBrowserDialog - A new folder shows an old auto-generated name after renaming.
• DXFolderBrowserDialog - A new folder shows an old auto-generated name after specifying a name.
• InvalidOperationException is thrown from DXOpenFileDialog.
• The Multiselect property is not in effect for DXOpenFolderDialogService.
• ThemedMessageBox does not allow navigating between buttons when it is shown in a WinForms application.
• ThemedMessageBox in WinForms loses top most when clicking on the taskbar icon.
• ThemedWindow's header changes its position when ToastNotifications are used.