Telerik UI for Winforms

Release History

Q3 2012 (version 2012.3.1017)

October 17, 2012


  • FIXED: The AutoSize property of the control does not work.


  • The button gets wrong location when anchored in an MDI child form starting maximized.


  • FIXED: The theme is missing when using RadAutoCompleBoxElement as an editor in RadGridView.


  • ADDED: Title and legends support.
  • ADDED: Added a Donut chart.
  • ADDED: Financial series support: Candlestick and OHLC.
  • ADDED: Chart indicators support, including 22 financial indicators.
  • ADDED: LabelFormatting event to allow customizing labels.
  • ADDED: CreatePoint, CreatePointElement and CreateRenderer events which allow better customization in RadChartView.
  • ADDED: Added DisplayMember property for label elements.
  • ADDED: Design-time property builder.
  • FIXED: Last chars of the axes titles are cut.
  • FIXED: Zooming out affects the vertical axis labels.
  • FIXED: RadChartView cannot read data from integer columns of a DataTable.
  • FIXED: RadChartView has no theme when setting the ApplicationThemeName property to something different than ControlDefault.


  • IMPROVED: One should be able to increase the size of the check box and the check mark.
  • FIXED: The control shows incorrect toggle/checked state when disabled.
  • BREAKING CHANGE: Removed the CheckAligment property, use the CheckAlignment instead.


  • FIXED: Mnemonics do not function properly in RadCommandBar.
  • FIXED: Drop-down list popup location is not correct when using a shortcut to open the popup.
  • FIXED: The ItemClicked event of CommandBarStripElement does not fire when the strip is floating.


  • BREAKING CHANGE: Replaced RadRepeatButtonElement with RadRepeatArrowElement.


  • FIXED: Setting the TextBoxItem.ReadOnly property does not make the editable area read only.
  • FIXED: Setting the value to null, should clear the selection.
  • FIXED: ValueChanging event cannot be canceled.


  • ADDED: Multi-monitor support in RadDock.
  • FIXED: The layout is broken when using custom DPI settings.
  • FIXED: ToolTips in RadDock Advanced Layout Designer are not correctly aligned.
  • FIXED: There is an exception when the window state of a tool window is changed to AutoHide and using RadDock nested in another RadDock.
  • FIXED: The text alignment of DocumentTabs does not look good when the tabs are left aligned.


  • FIXED: The button does not stretch to fit its content when the AutoSize is set to true.


  • IMPROVED: Added support for the DataMember property.
  • FIXED: The performance is slow when adding items by using Add/AddRange methods.
  • FIXED: The performance is slow when using auto-complete mode.
  • FIXED: It is not possible to select the first item when using keyboard search and the DropDownStyle property is set to DropDownList.


  • ADDED: Added an option that allows for changing the default column and row delimiters.
  • ADDED: Added a property in GridSpinEditorElement to disable the value changing with mouse wheel.
  • IMPROVED: Improved the localization and extensibility support in ConditionalFormatting form.
  • IMPROVED: When conditional formatting is applied, the selected row should not be affected.
  • FIXED: Sub property binding is not working for child templates.
  • FIXED: Setting the FormatString property of a column in a child template is not working.
  • FIXED: Column groups can be hidden by drag & drop operation when AllowHide property is set to true.
  • FIXED: Date-time filter dialog is not displayed by default for date-time columns.
  • FIXED: Drop-down editor is not working properly when filtering is applied on the same column.
  • FIXED: Wrong value in masked edit box when using percentage mask.
  • FIXED: There is an exception when editing a decimal column and using accessibility.
  • FIXED: There is an exception when using filtering and updating cell values in the CellValueChanged event.
  • FIXED: FormatString default value is invalid.
  • FIXED: The filter expression is calculated wrong when using enum with GridViewComboBoxColumn.
  • FIXED: RadGridView is in invalid state when changing the DataSource property of GridViewComboBoxColumn.
  • FIXED: The expression editor should not show the invisible columns in its fields section.
  • FIXED: There is an exception when double clicking a column to best fit it while HideSelection is enabled.
  • FIXED: There is an exception when removing the DataBoundItem of a pinned row from the data source.
  • FIXED: RadGridView should not allow for losing focus while validating a cell.
  • FIXED: DisplayMember, ValueMember and DataSource properties of GridViewComboBoxColumn should be visible in the Property Builder.
  • FIXED: The TextAlignment property of GridViewHyperlinkColumn is not taken in consideration.
  • FIXED: It is not possible to set an image to the button in command cell when handling the CellFormatting event.
  • FIXED: Visited hyperlink cells are being incorrectly transferred to other cells when scrolling.
  • FIXED: The scrollbar is not visible when expanding a group in a child view.
  • FIXED: The SelectionChanged event does not fire when deselecting rows with the mouse.
  • FIXED: Summary rows in parent groups are not updated properly.
  • FIXED: Setting the MinWidth property of GridViewColumn does not take effect on the Width property.
  • FIXED: The Right cell border disappears when RadGridView is scrolled horizontally.
  • FIXED: Grouping does not work properly in unbound mode.
  • FIXED: The expression editor form should be accessible in order to allow customization of its appearance.
  • FIXED: The sorting is wrong when loading RadGridView if there is an image column.


  • FIXED: The default values of HeaderImageKey and FooterImageKey properties are wrong.


  • ADDED: Added an option that allows for choosing whether the newly added items should be automatically selected or not.
  • FIXED: There is no effect when calling the Clear method and using custom grouping.
  • FIXED: The process of adding a large number of items (>10000) in details view is very slow.
  • FIXED: There is an exception when modifying the width of a column in Visual Studio's designer.
  • FIXED: There is an exception when the form is minimized if it is placed in RadDock and has a Margin set to its virtualized view element.
  • FIXED: The VerticalScrollState property cannot be set at design time when the ViewType property is set.
  • FIXED: The cursor should not indicate a resize operation for a column that cannot be resized.


  • FIXED: The navigation between tabs in RadPageView is wrong when using backstage view mode.
  • FIXED: RadPageView looks broken when used with DPI settings different from the default settings.


  • ADDED: Design-time scrolling functionality.
  • FIXED: The layout of tiles added at design time is wrong when AutoArrangeNewTiles property is set to true.


  • ADDED: Printing support.
  • ADDED: Field list control.
  • ADDED: Design-time property builder.
  • ADDED: Binding support between RadPivotGrid and RadChartView.
  • ADDED: Row and column filtering support.
  • FIXED: MouseUp event does not fire for data cells.
  • FIXED: The selection behavior should stop when a message box is shown.


  • ADDED: Support for the PasswordPropertyText attribute.
  • IMPROVED: Allowed replacing all RadPropertyGrid elements.
  • FIXED: A text box editor is shown when editing a DateTime? property instead of calendar.
  • FIXED: When the help bar is resized all properties should not be invalidated.
  • FIXED: TypeConverter method arguments are wrong when using custom type converters.


  • FIXED: Contextual tab groups do not support HTML-like text formatting when aero is allowed.
  • FIXED: When aero is allowed, MaximizeBox and MinimizeBox properties have no effect.
  • FIXED: Adding items to the StartMenuBottomStrip collection in design time is not working.
  • FIXED: There is an exception when dragging groups at design time.
  • FIXED: Backstage view is not positioned correctly.


  • ADDED: Added theming support for RadRichTextBox through the Visual Style Builder.
  • IMPROVED: Allowed customizing Author, Creator, Keywords, Producer, Subject and Title properties when exporting in PDF.
  • FIXED: Html Export of RadRichTextBox exports all spans with empty font-style.
  • FIXED: Html import fails when the html content has font-style attribute with empty value.


  • IMPROVED: Allowed the customization of the Confirm Delete dialog.
  • FIXED: Context menu hover effect is not working for sub menus.
  • FIXED: Some items are deselected in multi-day view when selecting multiple cells and doing a right-click to open the context menu.
  • FIXED: AppointmentDeleted is fired even though the user cancelled the deletion (pressed Cancel on the dialog).
  • FIXED: There is an exception when changing the ruler scale to 5 min and using multi-day view.
  • FIXED: There is no effect when setting the AllowAppointmentResize property in multi-day view.
  • FIXED: The AppoitnemtSelected event does not fire in multi-day view.
  • FIXED: The NewResourceId property of AppointmentMoved/Moving event arguments is always equal to null.
  • FIXED: There is no way to force update for specific appointments.
  • FIXED: The current time line is not correct in QSF >> Scheduler >> Time Zones example.
  • BREAKING CHANGE: Removed FeedbackDictionary property from AppointmentDraggingBehavior.
  • BREAKING CHANGE: Removed the RequestMove method from AppointmentDraggingBehavior, use the BeginDrag method instead.
  • BREAKING CHANGE: Renamed the Initialized event in AppointmentDraggingBehavior to FeedbackInitialized.
  • BREAKING CHANGE: Removed MoveFeedback method in SchedulerMonthViewGroupedByResourceElement, use methods from AppointmentDraggingBehavior class instead.
  • BREAKING CHANGE: Removed originalDraggingAppointment property from TimelineGroupedByResourceElement, use AppointmentDraggingBehavior.ActiveFeedback.AssociatedAppointment property instead.
  • BREAKING CHANGE: Removed MoveFeedback method from TimelineGroupedByResourceElement, use methods from AppointmentDraggingBehavior instead.
  • BREAKING CHANGE: Removed the following methods: ShowFeedbackInMonthView, ShowFeedbackInTimelineView, CreateFeedback, InitializeFeedback, ShowFeedbackInTable, and ShowFeedbackInHeader from SchedulerUIHelper.


  • FIXED: The spell checker gives wrong suggestions for words that contain apostrophe.
  • FIXED: The “Change To:” field in SpellCheckAllAtOnce form should be filled with the selected word in the suggestions box.


  • FIXED: Handling of KeyPress event does not suppress inserting a new character.
  • FIXED: Mouse wheel scrolling does not work.
  • FIXED: The control is not able to show strings longer than 6000 characters.
  • FIXED: The last caret position is not aligned to the end of the text due to wrong text measurement.
  • FIXED: When the AcceptReturn is enabled, the ENTER key is processed by the accept button of the form.


  • ADDED: “New node” and “Remove node” options in the context menu in self-reference hierarchy.
  • FIXED: Scrollbars are visible when adding nodes in the Form.Load event.
  • FIXED: There is an exception when setting the CheckType property of an unattached RadTreeNode.
  • FIXED: There is an exception when filtering a grid scrolled to the bottom.
  • FIXED: The tooltip is not disabled when setting the ShowNodeToolTips to false.
  • FIXED: There is an exception when adding nodes and using Begin/EndUpdate methods.
  • FIXED: The appearance of the vertical scroll bar is wrong when nodes are added programmatically.
  • FIXED: There is an exception when handling the ToggleStateChanging event.

Telerik Presentation Framework

  • ADDED: Full Coded UI Test support for Visual Studio 2010 and Visual Studio 2012.
  • IMPROVED: Improved the sizing behavior of RadTextBox, RadMaskedEditBox, RadSpinEditor, RadTimePicker, RadDateTimePicker, RadBrowseEditor and RadColorBox. Now these controls can be sized freely when their AutoSize property is set to false.
  • FIXED: Controls layout is broken when using custom DPI settings.
  • FIXED: HTML-like text rendering - Lists are rendered without the last list item.
  • FIXED: HTML-like text rendering - Exception when nesting <b>-tag in <a>-tag.
  • FIXED: HTML-like text rendering - the </a> tag is not rendered correctly when it is located in links.
  • FIXED: HTML-like text rendering – there is an exception when the html text is not valid.
  • FIXED: There is an exception during design-time when using complex layouts.
  • FIXED. RadHostItem does not return the correct size.
  • BREAKING CHANGE: Changed the behavior of RadControl when AutoSize is set to true.
  • BREAKING CHANGE: Changed the element hierarchy for the following editors by replacing BoxLayout and DockLayout with StackLayoutElement: RadDateTimePicker, RadTimePicker, RadDropDownList, RadSpinEditor, RadBrowseEditor, and RadColorBox.


  • FIXED: A message box appears when the application is deployed.
  • FIXED: The background color is wrong for RadDropDownList in TelerikMetro and TelerikMetroBlue themes.
  • FIXED: Office 2010 themes can't scroll Document tabs till the end of the row.
  • FIXED: VisualStudio2012 themes are shown in the ThemeName drop down at design-time.
  • FIXED: The application button in TelerikMetro and TelerikMetroBlue themes cannot be customized.

New features & Roadmap

Have a feature request?

Post your feedback via the WinForms UserVoice portal or the Public forums

What's new across all Telerik products?

See all updates

Get Started Waves

Next Steps

Online help

Access our online documentation.

Compare pricing

Check out the offers. Purchase an individual suite or treat yourself to one of our bundles.

Download 30-day free trial

Try UI for WinForms with dedicated technical support.