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(Showing Draft Content)

2026 v2

Calendar

Improvements

  • Added keyboard navigation support to C1Calendar.

  • Implemented keyboard navigation for months and years using arrow keys in C1Calendar.

  • Updated the days panel to allow confirmation via Enter or Space.

  • Updated arrow key navigation to require an explicit Enter or Space key press instead of automatic confirmation on keyup.

  • Implemented focusing when switching between views.

Bug Fixes

  • Fixed an issue where C1Calendar allowed date selection when SelectionMode was set to None.

ColorPicker

Improvements

  • Added the C1ColorPicker control.

Bug Fixes

  • Fixed an issue where the C1ColorPicker focus indicator did not match other C1 Blazor controls.

Core

Bug Fixes

  • Fixed an issue where Japanese products were added to the SA3 client when installing the English NuGet package.

  • Fixed an issue where the Class property was not applied to the rendered root element of C1ToggleButton.

  • Fixed an issue where core rendering did not draw ellipses.

DataFilter

Breaking Changes

  • Changed the type of template part "SearchBox" of CheckListFilterPresenter from TextBox to C1TextBox.

Improvements

  • Added support for configuring the time components displayed in the DateTimeFilter, DateTimeOffsetFilter, DateTimeRangeFilter, and DateTimeOffsetRangeFilter time editor via the TimeComponents property.

  • Added options to the TextFilter to enable case-sensitive and whole-word matching during filtering.

DateTimeEditors

Improvements

  • Implemented cyclic Tab keyboard navigation for a nested calendar.

  • Implemented keyboard navigation for C1DateRangePicker.

  • Added support for configuring the time components displayed in the C1DateTimePicker and C1TimeEditor time editor via the TimeComponents property.

Bug Fixes

  • Fixed an issue where the C1DateRangePicker drop-down closed when pressing arrow keys to select a date while the drop-down was open.

FlexChart

Bug Fixes

  • Fixed an issue where tooltips were not displayed when ChartType was set to Area or Column in FlexRadar.

FlexGrid

Breaking Changes

  • Changed alternate rows to be the even rows by default. The previous behavior can be achieved using the introduced AlternatingRows property.

  • Removed the AutoGenerateFilters property from GridColumnFilterLoadingEventArgs.

Improvements

  • Added a Remove Filter menu item to the column header options menu.

  • Modified the drop-down of GridFilterRow to display all filter menus, improving compatibility with ExcelLikeFilterBehavior.

  • Added AlternatingRowHeaderStyle, AlternatingRowHeaderBackground, and AlternatingRowHeaderForeground properties.

  • Added AlternatingStrategy and AlternatingRows properties.

  • Added the ShowConditionalFilterMenu property to enable condition-based filtering through the column-header menu for text, numeric, and date columns.

Bug Fixes

  • Fixed an issue where the column-header background was not updated correctly when changing the grid Background.

  • Fixed an unhandled exception that occurred when clicking sort menus and the underlying data collection threw an exception.

  • Fixed an issue where the ColumnOptionsLoading event could not be canceled even when the Cancel property was set to true.

  • Fixed an issue where the selected style was applied incorrectly when selecting the same row multiple times.

  • Fixed an issue where filtering by column DataMap values not present in ItemsSource did not work.

Gauge

Improvements

  • Added keyboard support for changing gauge values with the arrow keys.

  • Added a Decorators collection property. Labels, Marks, and Pointers can be added in addition to existing Ranges.

  • Added a ShowRangePointer property, which indicates whether the range pointer is shown.

  • Converted color properties to Brush properties to allow gradients.

Bug Fixes

  • Fixed an issue where C1LinearGauge did not re-render correctly when Direction changed between horizontal and vertical orientations.

GridControl

Bug Fixes

  • Fixed an exception in the cells panel when moving columns.

Input

Breaking Changes

  • Removed the public property C1ComboBox.SelectedItemsContent; it was for internal usage.

Improvements

  • Added the ValueChangeMode property with SliderValueChangeMode.OnChange to C1Slider to improve pointer drag performance by updating the thumb on the client and synchronizing the slider value when pointer interaction completed.

Bug Fixes

  • Fixed an issue where C1ComboBox displayed inconsistent keyboard focus indicators across editable, non-editable, and full-screen modes.

  • Fixed an issue where C1ComboBox selection was not displayed correctly when the selected items were duplicated.

  • Fixed an issue where C1MaskedTextBox did not apply PromptChar when initializing masked text.

  • Fixed an issue where C1ComboBox exhibited incorrect keyboard navigation behavior.

  • Fixed an issue where typing text that was not valid for the currently selected item in C1ComboBox did not reset the selection.

ListView

Improvements

  • Added Ctrl+A keyboard handling to select and unselect all items.

Bug Fixes

  • Fixed an issue where the SelectAll checkbox was incorrectly disabled when SelectionMode was set to None.

  • Fixed an issue where the SizeChanged event was not detached on disposal.

Ribbon

Bug Fixes

  • Fixed an issue where the keyboard focus indicator was displayed twice in C1SelectTool.

TreeView

Improvements

  • Enabled expanding and collapsing nodes from the expand/collapse icon area during drag-and-drop.

Bug Fixes

  • Fixed an issue where TreeViewDragDropEventArgs.DropPosition during drag-over did not reflect the actual drop target position.