# 2025 v1

## Content



### Accordion

**Bug fixes**

*   Fixed an issue where Expander headers were not set correctly when the C1Accordion was populated using ItemsSource.
*   Fixed expander headers not being set when C1Accordion was populated using ItemsSource.

### Core

**Breaking changes**

*   Corrected a spelling error in the IScrollViewerLargeScrolling interface name.

**Improvements**

*   Added ToolTipShown event to C1ScrollViewer for showing content in scrollbar tooltips.
*   Added the ScrollTipStyle property to customize appearance of scrollbar tooltip.

**Bug fixes**

*   Fixed C1InputEventArgs.HitTest method for System.Windows.Documents.Run elements.
*   Resolved incorrect conversions between DateTime and DateTimeOffset.
*   Fixed C1ScrollViewer intercepting hit-tests intended for sibling elements.
*   Improved theme resolution for dark themes (e.g., MaterialOrangeDark, Office365Black) by using the visual tree instead of the logical tree.

### FlexViewer

**Improvements**

*   Added export options for FlexViewer.
*   Added missing keyboard shortcuts.
*   Enhanced support for working with large multi-page documents.
*   Enhanced and implemented hyperlink functionality.
*   Added Print Dialog.
*   Improved visibility of Export Filter dropdown items in Windows 11 dark themes.

**Bug fixes**

*   Fixed a System.NullReferenceException during tab navigation with Cycle or Local KeyboardNavigationMode.

### Grid

**Breaking changes**

*   Renamed ToggleCellView dictionary resource to GridCellViewTemplate.

**Improvements**

*   Added ScrollTipTemplate property.
*   Added ScrollTipShown event.
*   Added GridCellView.IconTemplate and IconStyle properties to display a leading icon in Grid cells.

### GridControl

**Improvements**

*   Added ScrollTipShown event to show content while scrolling in C1GridControl.
*   Added the ScrollTipStyle property to customize scrollbar tooltip.

### Input

**Improvements**

*   Added SelectionChanged event to C1NumericBox.

### Menu

**Breaking changes**

*   Renamed MenuItemView.Data property to MenuItem.

**Improvements**

*   Added C1MenuGroup.

**Bug fixes**

*   Removed undesired background setting in C1MenuList.