# 2021 v2 ## Content ## Basic Library for WPF **Bug fixes** * [.NET4.5.2\][ComboBox\][C1.WPF\] Fixed an issue where the validation border was not visible in the unfocused state on initial load. ## Calendar for WPF **Bug fixes** * [.NET5.0\] Fixed rendering issue after changing ViewMode programmatically. * [.NET5.0\] Fixed the issue where multi-dates could not be selected in 'Multiple' SelectionMode although MaxSelectionCount property was set more than 1. * [.NET5.0\] Fixed the issue where the current year and month were not shown with highlight in Year/Decade views. * [.NET5.0\] Fixed the issue where the selected year and month were not shown with highlight except selected day when ViewMode was changed. * [.NET5.0\] Fixed the issue where multi-dates could not be selected by pressing Shift + Arrow keys in 'Multiple' selection mode. * [.NET5.0\] Fixed the issue where an InvalidCastException occurs when FirstDayOfWeek property was set and Calendar is bound with C1Property. **Breaking changes** * [.NET5.0\] Removed Today, PreviousMonth and NextMonth methods. Use DisplayDate instead. **Improvements** * [.NET5.0\]Added Date Range selection. * [.NET5.0\]Added property C1Calendar.MaxSelectionCount to set the maximum number of days that can be selected. * [.NET5.0\]Added property C1Calendar.SelectionMode to set selection mode. * [.NET5.0\]Support for navigation using keyboard. ## Chart for WPF **Bug fixes** * [.NET5.0\]Fixed the issue where the zooming and translating are disabled in the legend area. * [.NET5.0\][Blazor\] Fixed issue with incorrect layout of grouped legend. * [.NET5.0\][Blazor\] Fixed the issue where the SelectionChanged event fires properly for TreeMap control. ## Core for WPF **Bug fixes** * [.NET5.0\]Fixed the issue where an InvalidOperationException occurs after installing C1.WPF.Grid nuget and running the application when the new Trial license is available in GCLM. * [.NET5.0\]Fixed the issue in C1SVGIcon that was causing the Visual Studio designer to crash. * [.NET5.0\]Fixed the issue where System.NullReferenceException occurs when exporting the grid to .html file format. * [.NET5.0\]Fixed the issue where C1ScrollViewer scrollbar area was not clickable when it was hidden. * [.NET5.0\]Fixed the issue where the C1IconTemplate.Star5 was not rendering correctly. * [.NET5.0\]Fixed the issue where the C1Border was blocking foreground inheritance. * [.NET5.0\]Fixed the issue where the C1Border layout bug when measuring in infinite panels. **Improvements** * [.NET5.0\]C1Border performance improvements. ## DataFilter for WPF **Bug fixes** * [.NET5.0\]Fixed the issue where ArgumentOutOfRangeException occurs when adding filter combination or expression from FilterEditor after filtering any value from FlexGrid. * [.NET5.0\]Fixed the issue where NullReferenceException occurred while changing filter operators from FlexGrid options menu after filtering the date value by DateRangeFilter. * [.NET5.0\]Fixed the issue where System.InvalidCastException occurs when added another filter expression from options menu after filtering the date value by DateRangeFilter. * [.NET5.0\]Fixed the issue where FilterEditor can not synchronize filter values for integer and boolean data type filtering from FlexGrid. * [.NET5.0\]Fixed the issue where System.ArgumentException has occurred when opening filter column in FlexGrid with ItemsSource is DataTable. * [.NET5.0\]Fixed the issue where changing EmptyFilterBehavior after setting the expression did not have effect. * [.NET5.0\]Fixed the issue where changing conditional filter operator did not raise filter event. * [.NET5.0\]Fixed the issue where InvalidCastException has occurred when opening the filter dropdown after filtered the date value by GridFilterRow in DateTime column. * [.NET5.0\]Fixed the issue where System.FormatException has occurred when opening the filter dropdown after filtering the string value by GridFilterRow in numeric column. * [.NET5.0\]Fixed the issue where NullReferenceException occurred when remove applied filter expression from FlexGrid menu after filtered the value by RangeFilter. * [.NET5.0\]Fixed the issue where setting the Format property did not work in DateFilter control of C1DataFilter. * [.NET5.0\]Fixed the issue where some filters were not reset when assigning an invalid Expression. * [.NET5.0\]Fixed the issue where System.NullReferenceException has occurred after dragging 'Add Group Combination' text. * [.NET5.0\]Fixed the issue where InvalidCastException occurs after typing date value in date editor of filter option and clicking And/or operators from option menu. * [.NET5.0\]Fixed the issue where System.OverflowException occurs after changing filter operators value from column options menu in Integer column. * [.NET5.0\]Fixed the issue where the 'Today' date value is selected in filter editor after changing filter operators in column options menu of GridDateTimeColumn. **Improvements** * [.NET5.0\]FilterEditor can now sync expressions when collection view's filter is changed. * [.NET5.0\]DataFilter's filters now honor Display attribute's settings. * [.NET5.0\]Now C1DataFilter only filters the properties defined in the control. This allows more than one filtering control modifying the same source without overwriting the other control filter. * [.NET5.0\]Added ChecklistEmptyFilterBehavior to DataFilter. * [.NET5.0\]Added ShowMatchCase, ShowMatchWholeWord to FullTextFilter. * [.NET5.0\]Added EmptyFilterBehavior to CheckListFilter. * [.NET5.0\]Added new ThreeStateBoolFilter, ConditionalFilter and FullTextFilter. * [.NET5.0\]New Conditional Filters will have spaces in labels. **Breaking changes** * [.NET5.0\]BoolFilter is now obsolete. ## DataGrid for WPF **Bug fixes** * [.NET4.5.2\][DataGrid\] Fixed the issue where the ScrollPreview disappears at bottom in maximized window. ## DateTimeEditors **Bug fixes**: * [.NET5.0\] Fixed the issue where 'Time' or 'Date' EditMode cannot be shown fully when Width property is applied in DateTimePicker. * [.NET5.0\] Fixed the issue where the DisplayDate property value was not shown correctly. * [.NET5.0\] Fixed the issue where the MaxDate/MinDate could not be worked correctly in drop-down calendar of DateTimePicker. * [.NET5.0\] Fixed the issue where the Dropdown calendar could not be closed by pressing 'F4' key at second time. * [.NET5.0\] Fixed the issue where NullReferenceException occurred when IsTodayHighlighted was set to False in DatePicker. ## Docking for WPF **Bug fixes** * [.NET5.0\] Fixed the issue where the tabStrip menu of floating DockTabItem was still displaying on clicking Hidden/Sliding menus from tab strip menu of that item. * [.NET5.0\] Fixed the issue where the DockControl's FontSize property was not working. ## Document Library for WPF **Bug fixes**: * [.NET4.5.2\] Fixed the System.FormatException when exporting FlexReport to Excel where a field contain null value. * [.NET4.5.2\] Fixed the issue where contents were lost in excel export of C1FlexReport that contains 'Paragraph' Field. * [.NET4.5.2\] Fixed the issue where exporting FlexReport to PDF doesn't contain RichText. * [.NET4.5.2\] Fixed the issue of OutOfMemory exception while exporting a C1FlexReport with images. * [.NET4.5.2\] Fixed the issue where C1.Win.FlexReport.CustomFields.SuperLabel Text gets distorted in Virtual Machine Environment. ## FlexChart for WPF **Bug fixes** * [.NET4.5.2\] Fixed issue in C1RangeSelector initialization. * [.NET4.5.2\] Added various improvements in axis label trimming. * [.NET4.5.2\] Disabled Zoom and translate now are in legend area. * [.NET4.5.2\] Fixed the issue where SelectionChanged event did not fires properly for TreeMap control. * [.NET4.5.2\] Fixed issue with incorrect layout of grouped legend. * [.NET4.5.2\] Fixed issue with trend line plotting when source data has invalid values (NaN/null). ## FlexGrid for WPF **Bug Fixes** * [.NET4.5.2\] [FlexGrid\] Fixed an exception error that occurred while selecting a row after clearing and adding the bound collection. * [.NET4.5.2\] [FlexGrid\] Fixed an issue where the EditorBackground color did not take effect even after setting 'EditorBackground' property in flexgrid. * [.NET4.5.2\] [FlexGrid\] Fixed an issue where the HitTest did not work on text of cells highlighted by FullTextFilter. * [.NET4.5.2\] [FlexGrid\] Fixed an issue where some Japanese (half-width katakana) text was not getting highlighted in full text filtering. * [.NET4.5.2\] [FlexGrid\] Fixed an issue where clearing ItemsSource throws ArgumentOutOfRangeException. ## FlexPivot for WPF **Bug fixes** * [.NET5.0\] Fixed an issue where the FontSize did not take effect in FlexPivotGrid when setting 'FontSize' property in FlexPivotPage. * [.NET5.0\] Fixed an issue where 'System.NullReferenceException' has occurred when setting 'RawGridLimit' property in FlexPivotPage. * [.NET5.0\] Fixed raw data sorting for C1.DataEngine.TableView. * [.NET5.0\] Fixed an issue where GroupRanges did not retain after loading the saved .pivotx file in FlexPivot. * [.NET5.0\] Use C1.PivotEngine package. **Improvements** * [.NET5.0\] FlexPivot now supports group ranges feature. ## FlexViewer for WPF **Bug fixes** * [.NET4.5.2\][FlexViewer\] Fixed an issue related to performance Issue while loading a PDF created using Tiff files. ## Grid for WPF **Bug fixes** * [.NET5.0\] Fixed the issue where the null exception was thrown due to a bug in the lifecycle of GridBoundRow that caused the handler of the PropertyChanged event of the data item to be not detached after sorting. * [.NET5.0\] Fixed the Excel Export Grouping Style * [.NET5.0\] Fixed ScrollIntoView after inserting item. * [.NET5.0\] Fixed the issue where an ArgumentOutOfRangeException was thrown when tapping a cell and the change of cursor cell caused a modification of the source that ended up altering the indices of the original tapped cell. * [.NET5.0\] Fixed the issue where filtering does not work properly when filtering the text by GridFilterRow in group. * [.NET5.0\] [Blazor\] Fixed the issue where the Excel export retains coloring when used with alpha blending. * [.NET5.0\] Fixed the issue where Designer exception when toggling AutoGenerateColumns property fixed. * [.NET5.0\] Fixed the issue where System.OverflowException has occurred when large integer value is entered in numericbox filter editor of Integer column. * [.NET5.0\] Fixed the issue where the CheckListBehavior was not rendering selection style. * [.NET5.0\] Fixed the issue where the ArgumentOutOfRangeException has occurred when clicking on grid cell after entering edit mode and filtering cell value from column options menu. * [.NET5.0\] Fixed the issue where auto-scroll was throwing exception when the number of frozen columns was greater or equal to the number of columns. * [.NET5.0\] Fixed the issue where the selected date increased by one day after exiting edit mode when Mode property was 'Date' in GridDateTimeColumn of flexgrid. * [.NET5.0\] Fixed the issue where the Filter icon was still showing in column header after clearing filtered text when filtering text via FullTextFilterBehavior. * [.NET5.0\] Fixed the issue where the sort indicator in header column was shown even after setting the ShowSort property to false. * [.NET5.0\] Fixed the issue where event wasn't properly detached in cells of old columns when new ItemsSource was set. * [.NET5.0\] Fixed the issue where filtering was not working when the FilterMemberPath was set in grid column. * [.NET5.0\] Fixed the issue where the rendering issue occurred while dragging columns or rows after changing theme. * [.NET5.0\] Fixed the issue where EditorBackground and Format did not work with GridDateTimeColumn. * [.NET5.0 \]Fixed the issue where combining CheckListBehavior with filter-row was throwing an exception. * [.NET5.0\] Fixed the GridCheckBoxColumn to merge the header when there are more than one column header rows. * [.NET5.0 \]Fixed the issue where an ArgumentException occurs when exporting to html and pdf format with existing saved file name at the same location. * [.NET5.0\] Fixed the issue where the last column cannot be seen completely in exported .html file when export the grid content using save() method. * [.NET5.0\] Fixed the issue where the NullReferenceException occurred when adding rows/columns of FlexGrid from collection editors of C1PropertyGrid. * [.NET5.0\] Fixed the issue where the layout reentrancy problem was caused by setting brushes that were not sealed. * [.NET5.0\] Fixed the issue where System.NullReferenceException had occurred after entering long input values in GridNumericColumn. * [.NET5.0\] Fixed the issue where error occurred after applying Material/MaterialDark themes and exporting the grid content using GcExcel. * [.NET5.0\] Fixed the issue where Gradient Fill was not supported for HTML & PDF Excel Export via GcExcel. * [.NET5.0\] Fixed the issue where the Selection-menu was not opening with Menu/Application key stroke. * [.NET5.0\] Fixed the issue where setting properties such as Background, Foreground, HeaderBackground, HeaderForeground of GridRow was throwing exception. * [.NET5.0\] Fixed the issue where GridRow.Foreground and GridColumn.Foreground weren't applied correctly. **Improvements** * [.NET5.0\] Added support for editing a DataTable. * [.NET5.0\] FullTextFilterBehavior now clears textbox text when the filter is changed from an outside source. * [.NET5.0\] Added custom-ranges support in GridColumn. * [.NET5.0\] Added column menu feature. * [.NET5.0\] Added semi-transparent selection support. * [.NET5.0\] [Blazor\] Introducing the initial version for Excel Export feature. * [.NET5.0\] Improved layout performance (Delayed hidding recycled cells). * [.NET5.0\] Auto-generation now honors Display(AutoGenerateFilter) to set AllowFiltering in columns. **Breaking changes** * [.NET5.0\] GridRow.GetMergedRange now takes another parameter named 'column'. C1-3194 ## Input for WPF **Bug fixes** * [.NET5.0\] Fixed an issue where the drop-down item was shown at incorrect position on resizing the window. * [.NET5.0\] Fixed an issue where the Placeholder text was still shown when adding/inserting the Tag in TagEditor control. * [.NET5.0\] Fixed an issue where the C1TagEditor.Tags collection was hidden in design time. * [.NET5.0\] Fixed an issue where the numeric up/down buttons were clickable although setting 'IsReadOnly' property is true. * [.NET5.0\] Fixed an issue where the DropDownButton was flicking when resizing the window. * [.NET5.0\] Fixed an issue where C1AutoCompleteTextBox shows placeholder over auto-complete text after clearing the text. **Improvements** * [.NET5.0\] Adjusted default style for C1Tag. * [.NET5.0\] Added open animation to C1DropDownButton. * [.NET5.0\] Added C1TagEditor control. **Breaking changes** * [.NET5.0\] C1TagEditor.PlaceHolder property has been renamed to Placeholder. ## Menu for WPF **Bug fixes** * [.NET5.0\] Fixed stack-overflow exception in keyboard handling. **Improvements** * [.NET5.0\] Allow menu-items whose content has editable controls like textbox to handle the keyboard correctly. * [.NET5.0\] Added C1ContextMenu control. ## OLAP for WPF **Bug Fixes** * [.NET4.5.2\][Olap\] Fixed an issue where InvalidOperationException occurs if double clicking on added value in 'Values' field when KPIs is changed to Values. ## OrgChart for WPF **Bug Fixes** * [.NET4.5.2\][OrgChart\] Fixed an issue related to inconsistent rendering behavior. ## PDF for WPF **Bug fixes** * [.NET4.5.2\]Fixed an issue where some Chinese characters were not shown when exporting to PDF. ## PrintDocument for WPF **Improvements** * [.NET4.5.2\] Introducing PrintDocument. Please use this assembly for printing support instead of retired C1.WPF.C1Report assembly. ## PropertyGrid for WPF **Bug fixes** * [.NET5.0\] Fixed the issue where buttons of some property of value editors were not visible. * [.NET5.0\] Fixed the issue where the grid lines were not displayed in properties that have no GroupNames. * [.NET5.0\] Fixed the issue where the empty space was reserved for vertical scrollbar although there was enough space to show all properties. * [.NET5.0\] Fixed the issue where the Grid lines of PropertyGrid were not consistent when resizing the form. C1XAML-27353 * [.NET5.0\] Fixed the issue where the DropDown and Up/Down buttons of property value editors were covered by vertical scrollbar and hard to click. C1XAML-27390 **Improvements** * Added PropertyGrid control for Net5.0. ## RichTextBox for WPF **Bug fixes** * Fixed the issue where System.NullReferenceException occurred on clicking C1FontColorTool/C1TextHighlightTool or C1ParagraphColorTool for the second time. * [.NET452\][C1RichTextBox\] Fixed the issue where loading HTML content in RichTextBox froze the application. ## Schedule for WPF **Bug Fixes** * [.NET4.5.2\][C1Calendar\] Fixed the issue where reverted changes for 'Scrollbars did not appear'. ## TreeView for WPF **Bug fixes** * [.NET5.0\] Fixed the issue where a selected item could not be unselected by mouse-click on a selected item. * [.NET5.0\] Fixed the issue where the multiple tree nodes could not be selected when the mouse was clicked during pressing Ctrl/Shift key in 'Extended' SelectionMode. * [.NET5.0\] Fixed the issue where System.StackOverflowException has occurred when changing child treeview item as parent treeview item. **Breaking changes** * [.NET5.0\] ExpandMode enumeration has been renamed to TreeViewExpandMode.