# 2020 v2 ## Content ### General **Improvements** * The Licensing model has been updated from 2020v2 release for all WinForms controls. ### CalendarView for WinForms **Bug fixes** * [C1CalendarView\] Fixed the issue where sometimes the CalendarType property was not set properly. * [C1CalendarView\] Fixed the issue where month sometimes could not be changed after setting the MaxDate. * [C1CalendarView\] Fixed the issue where calendar sometimes could not be navigated to the next or previous month for the first time. * [C1DateEdit\] Fixed the issue where the Value property did not sometimes get reflected in the drop-down calendar. ### Chart for WinForms **Improvements** * [Core 3.1\] C1.Win.C1Chart.4.5.2 assembly and C1.Win.C1Chart3D.4.5.2 assembly can now be used in .Net Core 3.1. applications. **Other changes** * [Core 3.1\] [C1.Win.C1Chart.4.5.2\] [C1.Win.C1Chart3D.4.5.2\] ContextMenuStrip class replaces ContextMenu class, as latter is not supported by .Net Core 3.1 anymore. ### Classic Ribbon for WinForms **Improvements** * [Core 3.1\] C1.Win.C1Ribbon.4.5.2 assembly can now be used in .NET Core 3.1. applications. * C1.Win.C1RibbonPreview.4.5.2 assembly can now be used in .NET Core 3.1. applications. **Bug fixes** * [C1RibbonForm\] Fixed the issue where the resizing cursor did not appear on the inactive C1RibbonForm when the theme was applied. **Other changes** * [C1.Win.C1RibbonPreview.4.5.2\] Removed the ContextMenu property and ContextMenuChanged event not supported by .Net Core 3.1, in C1RibbonPreview class. The MainMenu class has been replaced by MenuStrip in C1RibbonPreviewDialog class. ### DashboardLayout for WinForms **Improvements** * Added the C1DashboardLayout.ItemContainerAction event, and DashboardIte.IsMaximized and IsHidden properties. ### DataFilter for WinForms **Breaking changes** * Changed reference from the C1.Win.DataCollection to the C1.DataCollection.BindingList in the 1.0.20201.25 version. * Changed the behavior of the AutoApply property. This property only has an effect when changes are made from the user interface. If filters have been changed from code-behind, it is the application’s responsibility to apply them. The ValueChanged event argument has been changed to the ValueChangedEventArgs class. * Changed the behavior of the Checklist filter. The filter is not applied if there are no selected items. Override the ‘IsApplied’ property to return the old behavior. **Bug fixes** * [FilterEditor\] Fixed the issue where AggregateException had occurred while filtering with 'IsOneOf' filter operator in string type. * [FilterEditor\] Fixed the issue where the control used the wrong license record. * Fixed the issue where the auto-generated labels were not properly localized in C1DataFilter. * [FilterEditor\] Fixed the issue where the Delete button was not visible on filter operation while entering long text in the Filter Value text box. * [FilterEditor\] Fixed the issue where all elements of c1FilterEditor were not refreshed immediately while applying C1Themes. * [FilterEditor\] Fixed the issue where the Text in FilterEditor wasn't shown properly while changing the control parent. **Improvements** * Checklist Filter now uses FilterOperation.IsOneOf. * [FilterEditor\] Added localized strings for drop lists. * [FilterEditor\] Added icons for the drop-down list of operations. * [FilterEditor\] Added support of custom editors. You should use the CustomEditorInitializing event and implement the IValueEditor interface. * Added the GetFilterExpression method. This method returns the current value of the filters that can be applied. * Implemented the GetPreferredSize method. This method retrieves the size of a rectangular area into which a control can be fitted. * [FilterEditor\] Added support for nested properties in the drop-down property list. * [FilterEditor\] Added the ListingProperty event. This event occurs before a property is added to the drop-down property list. ### Document Library for WinForms **Bug fixes** * Fixed the issue where some Report sections were still displayed in exported .xlsx file although the height property was set to '0'. * Fixed the issue where the Report Sections with Height equal to 0 was displayed in non-paginated rtf or docx exported file. * Fixed the issue of spaced text when exporting FlexReport to HTML. * Fixed the issue where the Text was cutting when exporting FlexReport to HTML. * Fixed the issue where the Page Header was not displayed properly in non-paginated .rtf or .docx export. * Fixed the issue where a table in this document became corrupted when the error was thrown in exported non-paginated rtf/docx export when the FlexReport contained a table. * Fixed the issue where the Line style was not correctly rendered in HTML export if the pdf file was loaded with different line styles to C1PDFDocumentSource. * Fixed the issue where Checkboxes did not show correctly in the viewer page of Flex Report. * Fixed the issue where some of the contents were missing in exported document when SSRS report was exported as inverted 'HTML document'. * Fixed the issue where LineSpacing in the TextField or Paragraph field were not affected in exported RTF/Word/Excel files. * Fixed the issue where 'Border' style was changed to 'Line' style of 'Shape' fields in exported RTF and Word file. * Fixed the issue where the content was not continuously displayed in exported paginated rtf/docx format while exporting .flxr files that contain Text/Rtf/Paragraph Field with long content and AutoHeight. * Fixed the issue where Header text were cut off in exported Word/RTF file. * Fixed the exception that occured while rendering certain PDF files. * Fixed the issue where Expand/Collapse buttons were shown on all the rows in the SSRS report viewer. * Fixed the issue where some of the contents were missing in exported document when SSRS report was exported as inverted 'HTML document'. * Fixed the issue where the Page navigator did not work properly in exported HTML document when exported with specific output page range. * Fixed the issue where there was a performance issue in FlexReport as compared to C1Report when exporting to PDF. * Fixed the issue where the 'First Page' and 'Back' buttons were not disabled in html export although the report had one page. **Improvements** * Enabled the “Viewer Preference" button in PDF Export option form. ### DynamicHelp for WinForms **Bug fixes** * [Core3.1\] Fixed the issue where the 'System.TypeLoadException' occurred while running the .Net core project with C1DynamicHelp. **Other changes** * [Core 3.1\] Added conditional compilation for not supporting Core 3.1 ToolBarButton class and added ToolStripButton class support in UIElementResolver class. ### Editor for WinForms **Bug fixes** * Fixed the issue where the System.ArgumentNull Exception was thrown while formatting web links in C1Editor. * Fixed the issue where the page with C1Editor did not receive focus. * Fixed the issue where the CRTL+C was not working in C1Editor Preview Mode while using C1EditorToolStripMain. ### Excel for WinForms **Bug fixes** * Fixed the issue where the error 'We found a problem with ...' occurred in the result excel (.xlsx) file when loading .xls file containing Frequency() formula. * Fixed the issue where an error message occured in save .xlsx file when loading .xlsx file with blank cell after setting 'FitPagesDown/FitPagesAcross' value. * Fixed the issue where Italic/Bold font style could not be saved correctly in the saved .xlsx file by using C1Excel. * Fixed the issue where the font properties of the number in the cell was not retained when reading the.xls file saving just as it is. * Fixed the issue where the horizontal text alignment was not retained when reading the .xlsx file saving as .xls file. * Fixed the issue where some image was not properly displayed in the background of the sheet in .xls file. * Fixed the issue where the C1Excel hung when some malformed RTF code was assigned to Cell value. * Fixed the issue where the .xlsm file lost the PaperKind value on loading and saving using C1Excel. * Fixed the issue where a block sign was shown in save .xlsx file when hovering the mouse over the image if the first sheet was invisible. * Fixed the issue where the second sheet could be hidden in the saved .xlsx file if the first sheet was invisible. * Fixed the issue where C1Excel throws InvalidOutOfRange Exception when loading the Workbook referencing the external workbook's Cell in NamedRange. * Fixed the issue where the A4 setting could not be applied to the PaperKind setting. (TFS:434995) **Improvements** * Reduced memory consumption (5% for cells, rows and columns, about 15% at save to XLSX (Open XML format). * Used System.IO.ZipArchive instead C1ZipFile in C1Excel (for 4.5.2 version). * Added a feature to handle multiple named ranges with the same name in C1Excel. ### FlexChart for WinForms **Bug fixes** * Fixed the issue with exception in histogram plot. * Fixed an exception that was thrown while plotting negative values in Trendline with some FitTypes. * Fixed the issue where a series was considered as stackable when its ChartType was same as the parent chart's type. * Fixed the issue where the BoxWhisker chart worked incorrectly with DataTable. * Fixed the issue where the LinePattern was incorrectly applied to annotations. * Fixed the exception during animation after removing series with auxiliary axis. * Fixed the exception when using Series with Histogram chart. * Fixed the issue where ranged histogram was not displayed correctly. * Fixed the exception in pie chart with scrollable legend. ### FlexGrid for WinForms **Improvements** * Improved performance at creating big trees. * Implemented the IFormattableView interface for interacting with the C1RulesManager. **Bug Fixes** * Fixed the issue where the Cell background color did not correctly reflect when saved in .xlsx format. * Fixed the issue where reordering Columns threw NullReferenceException while hosting C1FlexGrid in WPF application. * Fixed the issue where the FlexGrid Boolean column showed small-sized CheckBoxes when the Form's Font unit was set in Millimeter. * Fixed the issue where the footer row was linked to the previous grid row when the tree style was Lines|Symbols|Leaf. * Fixed the issue where DataSourceChanged or DataBindingComplete events didn't occur in some cases. * Fixed the issue where the layout on C1FlexGridSearchPanel was incorrect at design time in high DPI environment. * Fixed the issue where the AutoSizeRow method did not adjust the row height as expected when the ExtendLastCol and the cell's WordWrap was true. ### FlexPivot for WinForms **Other changes** * Added the CreateWorkspace method to C1FlexPivotPanel class in order to avoid C1.DataEngine licensing when the C1FlexPivot is used as C1.DataEngine requires a special licensing when it is used separately. **Bug fixes** * [.NetCore3.1\] Fixed the issue where 'System.MIssingMethodException' occurred when clicking on the FlexPivotGrid. * C1FlexPivotGrid\] Fixed the issue where SubtotalBackground and SubtotalForeground was not theme-able. * Fixed the issue where the NullReference exception occurred when the DataSource was changed at runtime. ### FlexReport for WinForms **Bug fixes** * Fixed the issue where an error occurred while importing crystal report to FlexReport Designer. * Fixed the issue where the Base64 encoded Image was not rendered in FlexReport's SuperLabel field. * Fixed the issue where the width of table in HTML did not fit the page and did not show the correct preview in C1FlexReport. * Fixed the issue where ForcePageBreak specified for SubSection of SubReport was ignored. * Fixed the issue where Subreports containing groups with the setting ‘KeepTogether == WholeGroup’ could be rendered incorrectly in certain scenario. * Fixed the issue where the NullReferenceException was thrown on setting un-named text field as 'Text' property through 'Expression Editor'. * Fixed the issue where double clicking on the Subreport property of a SubreportField gave the error: "Object of type 'System.String' cannot be converted to type 'C1.Win.FlexReport.C1FlexReport'. " * Removed a full path from the Save As dialog. * Fixed the issue where KeyNotFoundException was thrown on editing properties after making changes in the Groups dialog. * Fixed the issue where the Designer raised OutOfMemory exception. * Fixed the issue where the FlexReportDesigner App did not open the .flxr file on double clicking the File Explorer. * Fixed the issue where the SuperLabel did not display an html correctly when its height was not determined and the AutoHeight was set to AutoSizeBehavior.GrowAndShrink. * Fixed the issue where the SubSections.Move method worked incorrectly. * Fixed the issue where the FlexReportDesigner did not create ForcePageBreaks. **Improvements** * C1.Win.FlexReportDesigner.4.5.2 assembly can now be used in .Net Core 3.1. applications. * Improved rendering performance in scenario when report contains invisible subreport fields. **Other changes** * FlexReportDesigner.4.5.2 project .NET Core 3.1: Replaced ToolBar class with ToolStrip class, Removed ContextMenu property and ContextMenuChanged event. Replaced public property Menu with MainMenuStrip property instead. * [Core 3.1\] [C1.Win.FlexViewer\] Removed ContextMenu property not supported by .Net Core 3.1, in C1FlexViewer class. ### GanttView for WinForms **Bug fixes** * [Core 3.1\] Fixed the issue where the tooltip was displayed incorrectly in the 'Field Name' drop-down list of the 'Advance Filter' dialog box. * Fixed the issue where the Bar Height of a progress bar was not shown properly in 'Bar Styles' dialog after changing bar height through 'Layout' dialog. * Fixed the issue where the Tasks count was shown incorrectly when deleting all tasks after selecting all rows on loading MS project xml file with multiple tasks. ( * Fixed an exception that occurred when sorting 'ByDuration' after loading MS project .xml file with multiple tasks. * Fixed the issue where setting 'Default' BarStyle did not display correctly in all tasks. * Fixed the issue where the 'RemoveSort()' method did not worked properly after deleting all tasks while sorting the tasks in GanttView. * [Core 3.1\] Fixed the issue where the tooltip displayed incorrectly in the 'Field Name' drop-down list of the 'Advance Filter' dialog box. **Improvements** * [Core 3.1\] C1.Win.C1GanttView.4.5.2 assembly can now be used in .Net Core 3.1. applications. ### Input for WinForms **Breaking changes** * [Core 3.1\][C1.Win.C1Input.4.5.2\] The ContextMenu class is replaced with ContextMenuStrip class for Core3.1 compatibility. * [C1DbNavigator\] The ButtonStyle property is now obsolete. **Enhancements** * C1TextBox, C1CheckBox, C1Button, C1Label and C1SplitButton can now be used in .Net Core 3.1. applications. **Bug fixes** * [4.5.2\][C1TextBox\] Fixed the issue where the C1TextBox.MaskInfo.RegexpMask was absent in 4.5.2 version but present in 4.0. * [C1TextBox\] Fixed the issue where the background color was not updated sometimes in C1TextBox when the Enabled property was changed to False. * [C1TextBox\] Fixed the issue where the C1TextBox threw the stackoverflow exception when setting a Text value from the Validated event. ### InputPanel for WinForms **Breaking changes** * The ContextMenuStrip property replaces the public property ContextMenu in InputComboBox, InputDataNavigator, InputDatePicker, InputMaskedTextBox, InputNumericBox, InputTextBox and InputTimePicker classes. **Bug fixes** * Fixed the issue where the AutoSize InputPanel property didn't work properly when adding items through code. * Fixed the issue where the AutoSize property was not localized to Japanese. **Improvements** * C1.Win.C1InputPanel.4.5.2 assembly can now be used in .Net Core 3.1. applications. ### List for WinForms **Bug fixes** * Fixed the issue where the Header and footer rows were not displayed correctly if splits were added and Material theme was applied. * [.NetCore3.1\] Fixed the issue where the System.MIssingMethod exception occured when running the .NET core project with C1List. **Improvements** * [Core 3.1\] C1.Win.C1List.4.5.2 assembly can now be used in .Net Core 3.1. applications. **Other changes** * [Core 3.1\] [C1List\] Removed the ContextMenu class unsupported by .NET Core 3.1. * Removed unused code using "WHIDBEY" compilation symbols in C1ComboDesigner class. * Removed unused GridColumnEditorForm class. ### Menus and Toolbars for WinForms **Bug fixes** * [C1DockingTab\] Fixed the issue where the ForeColor property of the C1DockingTab was not affected on the C1DockingTabPage; * [C1DockingTab\] Fixed the issue where an application could freeze sometimes while restoring if the C1DockingTab was placed on it. * [.NetCore3.0\] [C1DockingTab\] Fixed the issue where "System.MIssingMethod” exception occurred when the C1DockingTabPage was changed to the floating state. **Improvements** * [Core 3.1\] C1.Win.C1Command.4.5.2 assembly can now be used in .Net Core 3.1. applications. **Other changes** * [Core 3.1\] The ContextMenu, ToolBar, DataGrid, and Menu classes, which are not supported by .Net Core 3.1, are placed by ContextMenuStrip, ToolStrip, DataGridView and ToolStripDropDown classes. * Moved C1Command strings to resources (StringsManager) ### MultiSelect for WinForms **Other changes** * [C1CheckList\] SelectedItem and SelectedIndex are hidden from the PropertyGrid. **Improvements** * Added the CheckImageList property. This property gets the image list that is used to indicate the state of the C1CheckList items. (TFS:430978) **Bug Fixes** * [C1CheckList\] Fixed the issue where the C1CheckList horizontal scroll didn't work for long texts. ### PDF for WinForms **Bug fixes** * Fixed the issue where the Underline and StrikeOut text line extends past the end of text if the text contain Japanese characters. * Fixed the issue where the Underline style does not get properly displayed in the exported PDF file. * Fixed the issue where the corners of the chart are not displayed correctly. ### Report for WinForms **Bug fixes** * Fixed the issue where the System.NullReference exception was thrown when the C1.Win.C1ReportDesigner.C1ReportDesigner/ was disposed for the second time. ### Ribbon for WinForms **Breaking changes** * Removed the HotTransitionEffect and ToolTipMaxWidth properties from the C1Ribbon class. Use the ToolTipSettings.MaximumWidth property instead. * Removed the ToolTipMaxWidth property from the C1StatusBar class. Use the ToolTipSettings.MaximumWidth property instead. * Removed the AllowSelection property from the RibbonButton class. Use the SelectableInListItem property instead. **Bug fixes** * Fixed the issue of inconsistent behavior between run-time and design-time after removing all ribbon tabs from the design time. * Fixed the issue where the 'Key Tip' of QAT, Tab and Configuration Toolbar were shown in BackstageView while opening the BackstageView. * Fixed the issue where C1Ribbon was still showing full view when the loaded layout was simplified. * Fixed the issue where the FlipImageRtl property didn't work correctly when the Ribbon's RightToLeft property was set to Yes at runtime. * Fixed the issue where the form icon didn't show in the c1RibbonForm title bar when changing the custom form icon and setting FormBorderStyle 'None' to other enumerations. * Fixed the issue where the form icon didn't show on the c1RibbonForm title bar when the HideTabHeaderRow property was changed. * Fixed the issue where the C1Ribbon elements got distorted in simplified view when a gallery element was selected for the first time. * Fixed the issue where the RibbonMenu showed the text twice when switching from full view to simplified one. * Fixed the issue where the image wasn't shown in "Select Image" dialog box when reselecting the tab. * Fixed the issue where the resizing cursor did not appear on the inactive C1RibbonForm if the theme was applied. * Fixed the issue where Ribbon displayed small items when they had LargeImageOnly group size. * Fixed the issue where the ribbon items on the left side of the BackstageView had the wrong theme color. * Fixed the issue where the Ribbon threw an exception after changing many icons from design time. * Fixed the issue where the controls on the right side of the BackstageViewTab lost focus after pressing the up, down, right and enter keys. * Fixed the issue where the C1RibbonForm displayed the caption text with indentation when the icon was hidden or the form didn’t have icon. * Fixed the issue where the C1RibbonForm had an incorrect background color in the 'Material' and 'MaterialDark' themes. * [New Ribbon\] Fixed the issue where an error message box was thrown when clicking on the ellipsis button of the source property in the "Select Image" dialog box. **Improvements** * Added the PerformClick method to the RibbonButton component. This method performs the RibbonButton.Click event. Added the PerformDoubleClick method to the RibbonButton component. This method performs the RibbonButton.DoubleClick event. * Added the PopupToolTip event. This event occurs before a tooltip is displayed and allows to change the position of the tooltip. * Added the PlacementMode property. This property gets or sets the placement of where a tooltip appears on the screen. * Added hDPI support for the icon designer. * Added support for the Home and End keys for the RibbonDatePicker. ### RulesManager for WinForms **Initial release** * A new control RulesManager for WinForms has been released this 2020v2. (C1.Win.RulesManager.4.5.2 assembly) ### Scheduler for WinForms **Improvements** * [C1Schedule\] Added ScheduleTheme.ShortMonthDayFormat property. This option can also be changed at design-time from the VisualStyle Smart designer. * [C1Schedule\] Added BeforeAppointmentFormatEventArgs.ForeColor property. Change this property in the BeforeAppointmentFormat event handler to alter appointment foreground. * [C1Schedule\] Added new ShowAppointmentStatus property. * [C1Schedule\] Added new public properties ScrollPosition, ScrollSize, ScrollableRectangle. * WYSIWYG Printing sample has been updated to show how to use these properties for pagination. **Other changes** * NotifyCollectionChangedAction, NotifyCollectionChangedEventArgs, NotifyCollectionChangedEventHandler and INotifyCollectionChanged have been removed from the C1.C1Schedule namespace. Use corresponding members of the System.Collections.Specialized namespace instead. **Bug fixes** * Fixed the issue where the appointments were not visible in the Scheduler when the EndDayTime was set to 24:00 and the ShowWorkTimeOnly property was set to true. ### SplitContainer **Improvements** * C1.Win.C1SplitContainer.4.5.2 assembly can now be used in .NET Core 3.1. applications. ### Themes for WinForms **Other changes** * The FlexGrid Highlight background color in Office2016Green theme has been changed to excel like. * [C1Theme.5\] C1.C1Zip.4.5.2 project reference has been replaced by C1.Zip NuGet package. **Bug fixes** * [C1ThemePicker\] Fixed the issue where some hidden properties were shown in Visual Studio editor's IntelliSense. * [C1ThemePicker\] Fixed the issue where the theme was not applied on setting the theme by SelectedText property. * [C1Themes Designer App\] Fixed the foreground color of the drop-down items in Office2016 themes. [C1Themes Designer App\] Fixed the issue where the Theme was still applied on DataGridView control on resetting the theme. ### TreeView for WinForms **Bug fixes** * Fixed the issue where the C1TreeViewColumn.ExpressionInfo.Expressions property sometimes displayed an incorrect value. * Fixed the issue where the text of c1TreeView's DisplayFieldName dialog box was not localized with the Japanese text. * Fixed the issue where the TreeColumn ignored the ExtendLastColumn property when a value of AutoWidth was set to true. **Improvements** * Added the DropLineColor property. This property gets or sets the color of drop line. * Added the BoundItemChanged protected event. This event occurs when a bound item is changed. * Implemented the INotifyCollectionChanged interface for the C1TreeNodeCollection class. ### TrueDBGrid for WinForms **Improvements** * Added the PrintCheckbox property. This property gets or sets a value indicating whether to print checkbox icons instead of Boolean values. * [Core 3.1\] The C1.Win.C1TrueDBGrid.4.5.2 assembly can now be used in .Net Core 3.1. applications. * Added the optional parameter detectFormats to the C1TrueDBGrid1.ExportToExcel method to avoid detecting data formats when exporting to Excel. * Added support for the BorderTypeEnum.None for the SaveExcel method. * Added HeadingHot style property. **Bug fixes** * Fixed the issue where the theme was not applied to the FilterBar dropdown button. * Fixed the issue where the theme was not applied to the ModifiedRow glyph. * Fixed the issue where the TrueDBGrid didn't support exporting GUID columns to Excel. * Fixed the issue where the TrueDBGridDropdown changed the selected row after opening the dropdown form, even when the mouse cursor did not move. * Fixed the issue where the Form with a C1TrueDBGrid shows edited even when it is not edited. * Fixed the issue where the scrollbars were not displayed immediately when the Material theme was applied to the entire form. **Other changes** * [Core 3.1\] The ToolStrip class replaces ToolBar class as latter is unsupported by .NET Core 3.1. * The ToolStripButton class replaces the ToolBarButton class, as latter is unsupported by .NET Core 3.1. ### Windows 7 Control Pack for WinForms **Improvements** * [Core 3.1\] C1.Win.C1Win7Pack.4.5.2 assembly can now be used in .NET Core 3.1. applications. * [Core 3.1\] C1.Win.C1Win7Pack.4.5.2 assembly can now be used in .Net Core 3.1. applications. **Other changes** * [Core 3.1\] Removed ContextMenu class unsupported by .Net Core 3.1, in BaseCollectionEditor class. ### ComponentOne WinForms Basic Library **Bug fixes** * Fixed the issue where the Height of the TextBoxElement was incorrect when AutoHeight was set to true and AutoWidth was set to false. **Improvements** * [Core 3.1\] C1.Win.4.5.2 assembly can now be used in .Net Core 3.1. applications. ### Zip for WinForms **Bug fixes** * Fixed the request to provide information on a particular incorrect password partially decompressing the zip file.