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DEMOS DOCS API SAMPLES DOWNLOAD
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2025 v2

Accordion

Bug Fixes

  • Resolved an issue that prevented the C1Accordion.Fill parameter from functioning correctly.

  • Fixed an issue where the ExpandDirection property did not apply the configured direction in Accordion controls.

  • Redesigned the horizontal layout logic to ensure correct behavior for the Left and Right expand directions.

Calendar

Bug Fixes

  • Resolved an issue where a JavaScript interop exception could occur during render mode transitions, such as when navigating between pages with different render modes.

Core

Improvements

  • Added support for unmatched attributes in C1HtmlButton and C1ToggleButton components, allowing developers to pass arbitrary HTML attributes.

  • Added a KeyDown event to C1ToggleButton to enable keyboard interaction.

  • Enabled support for ARIA attributes in C1ToggleButton, improving accessibility compliance.

Bug Fixes

  • Fixed a System.InvalidOperationException in the ThemeEx class that occurred when creating static theme values by using a thread-safe approach for initialization.

  • Fixed a JavaScript interop exception that could occur during render mode transitions, such as when navigating between pages with different render modes.

FlexViewer

Improvements

  • Improved WCAG accessibility by ensuring the Page Number input element is properly labeled and by enabling keyboard access to the scrollable region.

Bug Fixes

  • Resolved an issue where the ComboBox dropdown failed to remain expanded when toggling checkbox items within the Parameters tab.

  • Resolved an intermittent error in the BlazorExplorer sample that occurred when repeatedly selecting FlexReports from the Select report dropdown.

  • Fixed an issue where the Page Label text became selected during navigation to the next or previous page.

  • Addressed an issue where navigation arrow buttons appeared dim when navigating to a PDF document for the first time after the page loaded.

  • Resolved the image distortion issue on the PDF page in the BlazorExplorer sample to ensure proper image rendering in C1FlexViewer.

  • Fixed an issue where navigating with page navigation buttons caused the browser to scroll the entire screen, ensuring that the FlexViewer scroll position is now maintained.

Grid

Improvements

  • Added the FilteredFields property to allow specification of column data types to be included in filtering, along with the MatchBoolean property to control filtering of Boolean columns, enabling a more relevant and streamlined filtering.

Bug Fixes

  • Fixed an issue where child rows collapsed unexpectedly when a group row exited edit mode.

  • Fixed an issue where OnClick events on buttons were not consistently triggered when the mouse was moving by introducing a minimum pointer movement threshold before activating cell selection.

  • Fixed a JavaScript interop exception that could occur during render mode transitions, such as when navigating between pages with different render modes.

  • Fixed a NullReferenceException that occurred when deleting a row using the Delete key while no cursor was set, including scenarios after filtering cells or selecting all rows with Ctrl + A.

  • Corrected paste behavior in sorted columns to ensure values were applied to the correct rows.

GridControl

Improvements

  • Improved the GridControl layout logic to enhance resilience and handle extra layout passes. This change addresses potential layout reentrancy issues that could lead to exceptions, such as System.ArgumentOutOfRangeException, in scenarios involving dynamic data updates or complex layouts.

Bug Fixes

  • Resolved a layout cycle issue that occurred when setting the ItemsSource property, ensuring proper synchronization between row enumeration and cell recycling logic to prevent display flickering and incorrect bottom row layout.

  • Fixed incorrect behavior when dragging selection adorners in CellRange and MultiRange selection modes, ensuring accurate resizing of the selection range, even when selected areas are scrolled out of view.

  • Resolved an issue where resizing a column or row to a large dimension could push it out of view by incorrectly changing the grid's extent size, thereby preventing unexpected scrolling and visual jumping.

  • Fixed an issue where OnClick events on buttons were not reliably triggered when the pointer was moving by introducing a minimum pointer movement threshold before activating cell selection.

  • Fixed a JavaScript interop exception that could occur during render mode transitions, such as when navigating between pages with different render modes.

Input

Improvements

  • Added support for the TabIndex parameter in C1AutoCompleteTextBox and C1DropDown to allow proper navigation between controls using the Tab key.

  • Enhanced C1DropDown to restore focus to the previously focused element when the component closes, preventing focus-jumping issues and ensuring correct focus behavior in grid editors and other child content.

  • Enabled support for ARIA attributes in C1ComboBox and C1DropDown to improve accessibility compliance.

  • Updated C1ComboBox to allow exclusion of the toggle button from tab navigation when an editor is present.

  • Added support for unmatched attributes in C1DropDown and C1TextBox, arbitrary HTML attributes.

Bug Fixes

  • Fixed C1CheckBox to avoid rendering the tabindex attribute when no value is provided, addressing re-render issues introduced in .NET 10.

  • Fixed C1ToggleButton to ensure it re-renders correctly on click, maintaining accurate UI state.

  • Fixed a C1Popup JavaScript error (elementFromPoint) that occurred when clicking an already opened popup without moving the pointer.

  • Fixed a JavaScript interop exception that could occur during render mode transitions, such as when navigating between pages with different render modes.

  • Fixed text wrapping in C1ComboBox when IsEditable is false and the control width is insufficient, preventing content overflow.

  • Fixed MaskedTextBox to correctly handle text selection and mask editing, preventing a JavaScript "maximum call stack exceeded" error.

ListView

Improvements

  • Added support for unmatched attributes in C1ListView, allowing arbitrary HTML attributes.

  • Enabled support for ARIA attributes in C1ListView to improve accessibility compliance.

Menu

Breaking Changes

  • Introduced a unified Orientation enumeration shared across all C1 libraries.

Improvements

  • Added support for unmatched attributes in C1MenuList and MenuVirtualStackPanel, allowing arbitrary HTML attributes.

  • Enabled support for ARIA accessibility attributes in C1Menu to improve accessibility compliance.

Bug Fixes

  • Fixed memory leaks in C1Menu.

  • Fixed an issue where Up/Down buttons were not displayed in sub-menu dropdowns when the SubMenuMaxHeight property was set and not all sub-menus were visible.

  • Fixed C1MenuList to stop keyboard events from propagating for handled keys.

  • Fixed MenuItemView to handle cases where MenuItem is disposed.

  • Fixed a JavaScript interop exception that could occur during render mode transitions, such as when navigating between pages with different render modes.

TreeView

Bug Fixes

  • Fixed an issue where C1TreeView did not visually update after node removal by synchronizing rendering with TreeViewVirtualStackPanel. (C1XAML-38815)

  • Fixed a JavaScript interop exception that could occur during render mode transitions, such as when navigating between pages with different render modes.