# 2018 v1
## Content
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Chart for WPF
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### Bug Fixes
* Fixed the issue where lines between symbols of a LineSymbols chart are not rendered when zoomed in by changing the axis Scale values.
* Fixed the problem with axis title and rotated annotations for 3D charts.
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Datagrid for WPF
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### Bug Fixes
* Fixed the issue where FreezingSeparator does not work fine with hidden columns.
* Fixed the issue where scrolling C1DataGrid using PageDown does not work correctly sometimes.
* Fixed the issue of Incorrect selection in C1DataGrid.
* Fixed the issue where [DataGrid.Filters\] cell value is not updated when the binding source is updated and C1FullTextSearchBehavior is applied to the grid.
* Fixed the issue where selection does not work in C1DataGrid when multiple rows are added in row's header.
### Improvements
* Added MergedRanges property. It is used to get or set merged ranges in C1DataGrid by users.
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DockControl for WPF
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### Bug Fixes
* Fixed the issue where the screen position of floating DockTabControl is not loaded.
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DocumentLibrary for WPF
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### Improvements
* Now C1DocumentSource.ShowPrintUIAsync() method uses C1DocumentSource.DefaultPrintOptions.
* Added C1DocumentSource.DefaultPrintOptions property allows to define default print options.
* Set C1DocumentSource.DefaultPrintOptions.PageScaling to FitToPrintableArea if document's margins are too small and less than printable margins of physical printer.
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Excel for WPF
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### Bug Fixes
* Fixed the issue where multiple sheets needs to be selected while saving the excel through
C1XLBook.
* Fixed the issue where hyperlinks in resultant excel file do not work in some special condition.
* Fixed the issue where C1Excel errors occured with .xlsm file.
* Fixed the issue where invalid Excel OpenXml file (\*.xlsx) exception is thrown on loading C1XLBook with xlsx created in LibreOffice.
* Fixed the issue where text written by RTF format is not shown in exported excel file.
* Fixed the issue where error occurs on exporting the report with RTF format to excel file (.xls)
### Improvements
* Added SelectedIndexes property for the XLSheet class (the index array of the sheets
that is selected).
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ExpressionEditor for WPF
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### Breaking Changes
* Added new method AddAlias into the IEngine interface.
### Bug Fixes
* Fixed the issue where blank tooltip is shown when hovering the mouse on ExpressionTextBox.
* Fixed the issue where tooltips and functiondescriptions was not Localized on changing any CultureInfo at runtime.
* Fixed the issue where showing tooltips is overlapped upon Intelligence box when it only ruuning at right side of the window screen.
* Fixed the issue where Alphabetical order was not provided for the items of the categories selection.
* Fixed the issue where items of the functions are shown with irrelevant order. Fixed the issue where System.ArgumentOutOfRangeException is thrown on entering "Instr(" in expression box.
### Improvements
* Added support of field aliases (System.ComponentModel.DisplayNameAttribute and System.ComponentModel.DataAnnotations.DisplayAttribute).
* Added support of BrowsableAttribute for fields. Aggregate functions with one argument works for all items from DataSource.
* Added alphabetical order for the items of the categories selection. Added toolbar button to enter English quotes.
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FlexChart for WPF
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### Bug Fixes
* Fixed the issue where no data is shown in StockChart sample and System.Net.WebException is thrown.
* Fixed the issue where XAML designer shows InvalidOperationException for Histogram and RangedHistogram charts.
* Fixed the issue where data labels are not displayed although setting properties of Series.DataLabel.
* Fixed the issue where scrolling via AxisScrollbar causes memory leak if the data objects are implementing INotifyPropertyChanged.
* Fixed the issue where System.Exception is thrown in C1FlexChart dll internally.
* Fixed the issue where incorrect description of GroupStyle property is displayed in IntelliSense.
* Fixed the issue where GroupStyle properties for numeric axis labels grouped by GroupProvider are not affected.
* Fixed the issue where lines cropped on stacked Y plot.
* Fixed problem with memory leak when Direct2D mode is used via RDP.
* Fixed the issue where AxisScrollbar's are not rendered at correct positions if their Visibility is changed at run-time.
* Fixed the issue where the 'Binding' property is mandatory for the 'Histogram' series to be plotted, even though it has no effect.
* Fixed the issue where text doesn't get displayed on Polygon Annotation with Attachment set to Relative.
### Improvements
* [C1FlexChart\] Improved the performance of Histogram charts with large data source.
* [C1FlexChart\] Improved DirectX rendering at high DPI screens. Add new features to stock analysis sample, eg: price warning, more settings for indicators and overlays.
* [C1TreeMap\] Added new NodeRendering, NodeRendered events to TreeMap
* [C1FlexChart\] Added new SortDescending property to RangedHistogram
* [C1FlexPie,C1Sunburst\] Data labels can be hidden or trimmed if their content is outside pie segment. Added new PieDataLabels.Overlapping property and corresponding enum PieLabelOverlapping.
* [C1FlexChart\] Staggered axis labels. New Axis.StaggeredLines property.
* [C1FlexChart\] Trim or wrap the overlapping axis labels. New members of OverlappingLabels enum: Trim and WordWrap.
* [C1FlexChart\] Rotated data labels. New DataLabel.Angle property.
* [C1FlexChart\] Series-specific data labels. New Series.DataLabel property.
* [C1FlexChart\] Automatic positioning of data labels without overlapping. New 'Auto' member of LabelPosition enum.
* [C1FlexChart\] Trim or wrap data label content. New DataLabel's properties: MaxWidth, MaxLines, ContentOptions and corresponding ContentOptions enum.
* [C1FlexChart\] Control appearance of overlapped data labels. New DataLabel's properties Overlapping and OverlappingOptions and corresponding enums LabelOverlapping and LabelOverlappingOptions.
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FlexGrid for WPF
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### Bug Fixes
* Fixed the issue where ColumnFooters not getting merged.
* [FlexGridFilter\] Fixed the issue where TaskInfoDialog can't create StartOnly and FinishOnly task.
### Improvements
* [FlexGridFilter\] Fixed the issue where you need to set DatePicker at place of TextBox in C1FlexGrid's filter.
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FlexReport for WPF
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### Improvements
* Added property to C1FlexReport.BehaviorOptions. bool FireOnFormatForEachInstanceOfRepeatedGroupSection { get; set; }
* Gets or sets a value indicating whether the OnFormat script is fired for each instance of a repeated group section, or just once for the first instance.Applies only to groups with Repeat property set to true.
* [FlexViewer\] Supported various page scaling modes during printing.
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FlexSheet for WPF
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### Bug Fixes
* Fixed the issue where the cell with number format displays incorrectly when load a Excel.
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GanttView for WPF
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### Bug Fixes
* Fixed the issue where ReadOnly GanttView is not in ReadOnly mode after loading new xml file.
* Fixed the issue where a there is an no consistency in appearance of GanttView toolbar's menu icon.
### Improvements
* TaskInfoDialog can't create StartOnly and FinishOnly task.
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MultiSelect for WPF
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### Improvements
* Released beta version.
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MediaPlayer for WPF
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### Bug Fixes
* Fixed the issue where some operations do not work correctly in C1MediaPlayer.
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PDF for WPF
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### Bug Fixes
* Fixed the issue where unexpected rendering occurs on saving a PDF document with FontType specified as Standard or TrueType.
* Fixed the issue where a garbled character appears when C1TreeView is outputted to C1PdfViewer.
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RichTextBox for WPF
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### Bug Fixes
* Fixed the issue where the cursor in C1RichTextBox is misaligned when its TextOptions.TextFormattingMode property is set to "Display".
* Fixed the issue where position of the cursor is moved one line upward without going to the beginning when bullet in the RichTextBox is deleted with backspace.
* Fixed the issue where System.NotSupported Exception is thrown when a specific text is pasted in C1RichTextBox.
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Schedule for WPF
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### Bug Fixes
* DuskBlue, DuskGreen, MediaPlayer and Vista themes has been moved to the new C1.WPF.Schedule.Themes.Legacy.4 assembly.
* Corresponding properties of the C1SchedulerResources and C1CalendarResources classes have been marked as obsolete.
* Default appearacnce have been changed from Office 2007 to Office 2016 Colorful.
### Improvements
* Improved layout of short appointments in views with small visual interval scale.
* Added new embedded themes Office2010 Blue, Black, Silver.
* Added new embedded themes Office2016 Colorful, White, Black, DarkGray.
* Default appearance have been changed from Office 2007 to Office 2016 Colorful.
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Theming for WPF
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### Bug Fixes
* Fixed the issue in MS ComboBox and ScrollBar styles in Office2013, Office2016, Cosmopolitan themes.
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Word for WPF
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### Bug Fixes
* Fixed the issue where outline set in MS Word cannot be read properly.
* Fixed the issue where font size is not retained in heading style text when loading and saving as .docx file using C1WordDocument.
* Fixed the issue partly where RoundRectangleShape looses rounded corner/text on saving to \*.rtf/\*/docx formats respectively.
* Fixed the issue where bullet color is not retained when load the word document and save it as '.docx' using C1WordDocument.
* Fixed the issue where extra spaces are added in heading style text when read and write in new C1WordDocument.
* Fixed the issue where total page count number is not properly shown in exported .docx and .rtf files when loading the .docx file contained table.
* Fixed the issue where Unable to properly read outline set in MS Word.
* Fixed the issue where alignment of text and image in the MS document are missing when read/write in another C1WordDocument.
* Fixed the issue where alignment and FontStyle of RTFParagraph are affected to the adjacent RTFString with different behavior in (.docx) and (.rtf) files.
* Fixed the issue where ForeColor of RTFParagraph are affected to the adjacent RtfDateField when save the document with (.rtf) format.
* Fixed the issue where FlexReport exported to docx generates the entire document in bold and italics.
* Fixed the issue where column layout in the word document is not retained when read and write it in another document.
* Fixed the issue partly where bullet are not retained when load the word document and save it in another document.)
* Fixed the issue where center alignment of text are slightly missing in rtf file when read the word document and write in C1WordDocument.
* Fixed the issue where loading and saving a file with newline removes newline characters.
* Fixed the issue where loading Docx file into C1Word created issues.
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C1WPF
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### Bug Fixes
* [C1TileListBox\] Fixed the issue where ItemsPanelTemplate is required to display C1Tile in C1TileListBox based on the grouping.
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