Telerik UI for Winforms

Release History

Q1 2013 (version 2013.1.220)

February 20, 2013


  • FIXED: There is an exception when setting the Image property to an icon (ICO format).


  • FIXED: Left and Right keyboard navigation support should work the same way as in MS MenuStrip in RightToLeft mode.


  • FIXED: It is not possible to enter edit mode in RadBrowseEditor using the mouse.


  • ADDED: Support for smart labels.
  • ADDED: Added drill-down support.
  • ADDED: Multiple axes support.
  • ADDED: Added scatter line series support.
  • FIXED: There is an exception when ShowTrackball property is set to true for pie chart and one hovers a segment.
  • BREAKING CHANGE: Removed the DrawTitle method from AxisDrawPart method. Use the respective methods from AxisTitleDrawPart instead.
  • BREAKING CHANGE: Removed the ChartViewRenderer class. The class is no longer necessary. Derive your custom renderer classes from ChartRenderer instead.
  • BREAKING CHANGE: The ToRectangleF method is now static and does not need an instance of the ChartRenderer class.


  • FIXED: It is not possible to replace the default check mark with image.


  • FIXED: RadDateTimePicker should not display any text if the Value property is set to null.


  • FIXED: AutoHide windows close when clicking on context menu items inside a child control.
  • FIXED: AutoHide windows flicker when AutoHideAnimation is set to None.
  • FIXED: There is an exception when closing an MDI application.


  • FIXED: AutoComplete suggest is not working if the user clicks on the drop-down arrow first and then starts typing.
  • FIXED: Drop -down size is wrong when changing its data source and there is only one item.
  • FIXED: Wrong item is selected when using bound mode.
  • FIXED: Kinetic scrolling is not working.
  • FIXED: The control looks different than the rest of the editors when disabled and DropDownList style is used.
  • FIXED: When AutoSizeItems property is set to true the auto suggest drop-down is not working properly.


  • FIXED: There is an exception when calling the ShowDialog method from another thread.


  • ADDED: An option to export CSV content without quotes.
  • ADDED: Support for sub-property binding in child templates for object relational binding.
  • ADDED: Copying and Pasting events in RadGridView.
  • IMPROVED: Improved RadGridView performance when sorting operation is applied.
  • IMPROVED: Allowed hiding the SummaryRowItems for groups.
  • IMPROVED: Improved the localization for conditional formatting form.
  • FIXED: The CurrentRow property changes its value even when canceling the CellValidating event.
  • FIXED: RadGridView steals the focus when an editor is opened and a button is clicked.
  • FIXED: The vertical scroll range is not valid when there are hidden rows.
  • FIXED: The DisableHTMLRendering property in GridViewColumn does not affect column chooser items.
  • FIXED: There is an exception when keyboard navigation is used and grouping is applied.
  • FIXED: Expressions do not work when using conditional formatting in hierarchy mode.
  • FIXED: There is an exception when filtering a combo box column.
  • FIXED: There is an exception when filtering a column that is reordered.
  • FIXED: Column name is not correctly escaped when it contains special symbols.
  • FIXED: There is an exception when adding more than 11230 columns in grid.
  • FIXED: CellValidated and CellValidating events should fire when doing a paste operation.
  • FIXED: GridViewDateTimeColumn editor does not respond to the F4 key.
  • FIXED: There is an exception when a newly added item is modified in the ListChanged event of a BindindList.
  • FIXED: There is an exception when clicking the HeaderImage property of the command column in the property builder at design time.
  • FIXED: The exported data is incorrect when exporting hierarchy if one hides a master view row.
  • FIXED: GridViewComboBoxColumn value can't be entered by keyboard without pressing the down arrow first.
  • FIXED: The standard "Length" function in the expression editor (located under "Text") is spelled "Lenght".
  • FIXED: Inconsistent behavior when one enters edit mode on a decimal column.
  • FIXED: The indent cell exclamation image is not displayed initially.
  • FIXED: Child view headers are exported even when they do not have child rows.
  • FIXED: There is an exception when selecting the 'No Filter' option from checkbox column context menu.
  • FIXED: Filtering row does not resize correctly when AutoSizeRows property is set to true.
  • FIXED: There is an exception when rebinding and using self-reference hierarchy mode.
  • FIXED: Setting MinWidth and MaxWidth properties to a column when AutoSizeColumnsMode is Fill causes a wrong layout.
  • FIXED: Setting the RightToLeft property of specific cells leads to an unexpected result.
  • FIXED: ScrollToRow method does not work when VerticalScrollState is set to AlwaysHide.
  • FIXED: There is an exception at design time when using RadGridView nested in MS TabControl.
  • FIXED: There is an exception when changing the row IsSelected property when changing parent row IsSelected property.
  • FIXED: Vertical scrollbar value metrics are wrong after calling the Rows collection Clear method.
  • FIXED: Check box cell value cannot be changed for child rows in object relational hierarchy.
  • FIXED: The NullValue property is not taken in consideration when exporting data.
  • FIXED: When the current cell is in the last column and row, pressing the right arrow key should do nothing. It is the same with pressing the left arrow key in the top left cell.
  • FIXED: Previous and next rows should be selected directly when navigating with the left and right arrow keys through group rows.
  • FIXED: Child rows are not correctly populated when setting the IsExpanded row property between BeginUpdate/EndUpdate calls.
  • FIXED.One should be able to change the selected page in RadPageView if the grid on a page is in edit mode
  • FIXED. Mouse selection of cells when RadGridView is in right to left mode does not work correctly.
  • BREAKING CHANGE: Removed the RowLayoutType property from TableViewDefinition class. This property is no longer necessary.


  • FIXED: RadGroupBox AutoSize property is not taken into consideration.


  • IMPROVED: Allowed the ToggleElement to be aligned.
  • FIXED: Virtualized panel elements should not be visible in the Element Hierarchy Editor at design time.


  • FIXED: All images in the editor are missing when using ILMerge.


  • FIXED: The control does not behave correctly when using N2, P2 and D masks.
  • FIXED: The Value property cannot be set properly if the value is different from the mask pattern.


  • IMPROVED: Added the ability to turn off the sound played upon show.
  • FIXED: A new instance of the message box form is created for each call to Show.


  • FIXED: The Tab key is not processed correctly.


  • FIXED: When a tile contains an animated gif and you zoom out RadPanorama, the tile disappears.

RadPdfViewer (New control)

RadPDFViewer arms you with the ability to visualize PDF documents right within your WinForms application without the need of any external viewer. It comes with a predefined intuitive UI that provides you with every mean to utilize the features of this control in a quick and easy manner. The default viewer’s UI buttons allow you to zoom-in or zoom-out, pan and scroll the document or select a fragment of text. The control utilizes virtualization in order to guarantee stable performance with large documents.


  • ADDED: Report filtering and group sorting when using OLAP binding.
  • IMPROVED: Allow changing the expanded state of rows and columns when changing the data.
  • IMPROVED: Scrollbars cannot appear over the row/column headers area.
  • FIXED: There is an exception when handling the AggregatePositionElementCreating event.


  • ADDED: An option to specify which editor to use through the Editor attribute.
  • FIXED: When a property with PasswordPropertyText attribute is edited the PasswordChar is never reset for the text editor.
  • FIXED: There is an exception when changing the selected object and a Boolean property is selected.


  • FIXED: There is a memory leak when using RadSchedulerReminder.
  • FIXED: The value in the DueIn column of the alert window is not correct.


  • FIXED: The MDI control box is visible when there is a maximized child form with ControlBox property set to false and FormBorderStyle property set to None.
  • FIXED: The quick access toolbar remains visible even if there are no items in it when using metro themes.
  • FIXED: The application icon is not visible when using backstage view.
  • FIXED: Key tips should work with umlauts like "Г„", "Гњ", "Г–" and "Гџ".
  • FIXED: The application button is overlapping the first tab when the theme is "Office2007BlackTheme".
  • FIXED: There is an exception when using RadRibbonForm and AllowAero property is set to false.
  • FIXED: The title bar in RadRibbonForm does not cover the left and right form border entirely.


  • FIXED: There is an exception when using RadRibbonForm under Windows 8.


  • ADDED: Added functionality for Image copy/paste.
  • FIXED: The behavior is different when inserting new line with ENTER + SHIFT and ENTER.
  • FIXED: There is an exception when a copy and paste operation is executed and the text contains a font that does not support regular style.
  • FIXED: There is an exception when minimizing a form containing anchored RadRichTextBox.
  • FIXED: The Redo method actually performs an undo operation.
  • FIXED: Setting the line spacing of a Paragraph causes its wrapped lines to overlap each other.
  • FIXED: Suppress exception thrown when Error 404 occurs for invalid resources in RadRichTextBox.
  • FIXED: There is an exception when changing the bold state of a text.


  • FIXED: Binding to business objects at design time does not work correctly.
  • FIXED: There is an exception when creating inline appointments and binding to custom fields.
  • FIXED: Dates are not displayed correctly when using grouped multiday view with multiple intervals.
  • FIXED: There is an exception when switching between TimelineView, MonthView and TimelineView.
  • FIXED: There is an exception when appointment ToolTipText property value is changed when handling AppointmentFormatting event.
  • FIXED: If you add an appointment which starts today at 04:00PM and ends at 12:00AM on the next day, it will span on two cells.
  • FIXED: Selecting the Open Item option in the reminder dialog does not ask whether to open occurrence or series dialogs.
  • FIXED: Dragging an appointment between the first row (12:00 AM / 0:00) and the all-day area does not fire the AppointmentMoving event.
  • FIXED: Setting AllowAppointmentMove property to false does not disable dragging.
  • FIXED: The Visible property value has no effect on recurring appointments.
  • FIXED: The AllowAppointmentMove property does not work in TimelineView or MonthView.
  • FIXED: The date label in RadSchedulerNavigator is not updated when you change Intervals collection in multiday view.
  • FIXED: The layout is wrong when the system DPI setting is set to 120.
  • FIXED: All-day events are not correctly imported from iCal format.
  • FIXED: Appointments appear twice when ShowAllDayArea property is set to false and the user adds an appointment on a single day from 00:00 to 24:00.
  • FIXED: When you drag an appointment in MonthView, its start time will be reset to 12:00AM.


  • FIXED: Anchored controls inside the control are not sized correctly when the form loads.
  • FIXED: The control changes its scroll position when you click a control inside it.
  • FIXED: The control resizes its content (RadGroupBox) when the RadForm Localizable is enabled.


  • ADDED: Added a PasswordChar property.
  • ADDED: Added spell checking functionality.


  • FIXED: There is an exception when changing the AM/PM by using buttons.
  • FIXED: RadTimePicker should display empty text or NullText if the Value property is set to null.


  • FIXED: The layout is wrong when calling the ExpandAll method inside the NodeCheckedChanged event.
  • FIXED: There is an exception when adding a new node with code and performing an edit operation.
  • FIXED: It is not possible to add a new node when using bound mode with self-referencing hierarchy.
  • FIXED: There is an exception when clearing the nodes collection and the ShowLines property is set to true.
  • FIXED: RadTreeView should reflect all changes in the underlying data source.
  • FIXED: It is not possible to add a new node when sorting is applied.
  • FIXED: NodeCheckedChanged/NodeCheckedChanging events should contain information about the event origin (user action or code).


  • ADDED: New theme - VisualStudio2012Dark.

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