Telerik UI for Winforms

Release History

Q2 2012 SP1 (version 2012.2.726)

July 27, 2012


  • FIXED: RadButton remains in disabled state when it is marked as AcceptButton.


  • FIXED: Animations and layout look broken when changing the theme.


  • FIXED: The LabelFormat property of the RadChartView axes does not have an effect.


  • FIXED: The PasswordChar property of TextBoxElement in CommandBarTextBox is not serialized at design-time.
  • FIXED: There is a visual glitch when showing a form on a button click and using split button.


  • ADDED: The ability to determine the increment/decrement step when the Format property is set to Time.
  • ADDED: Allow entering date, month and year without using the Space key to navigate between the date, month and the year.
  • FIXED: The control does not accept hour values greater than 12.
  • FIXED: A date outside the valid range can be entered.
  • FIXED: Setting the Checked property when handling Form.Load event causes the editor to appear disabled.


  • FIXED: The ActiveWindowChanging event cannot be canceled.
  • FIXED: Keyboard shortcuts should be executed according to the active RadDock control.


  • FIXED: The KeyDown event of RadDropDownListElement should trigger when key is pressed in popups too.


  • FIXED: Setting the CancelButton property of the form to a button named exactly CancelButton, will prevent the button click event from firing.
  • FIXED: RadForm size increases at design-time when changing the theme.
  • FIXED: Themes are not visible in the ThemeName drop-down at design time.
  • FIXED: Setting a theme to RadForm at design-time does not apply the theme at run-time.


  • ADDED: The ability to enable AutoFilter functionality of Excel in the ExportToExcelML.
  • ADDED: Support for binding to a list of objects that implements an interface which implements another interface.
  • ADDED: GetHashCode method in GridViewCellInfo.
  • ADDED: Support for null values when using IsEqualTo and IsNotEqualTo filter operators.
  • ADDED: Support for custom sorting in groups when grouping is applied.
  • ADDED: Functionality to automatically scroll during multiple selections of cells with the translucent rectangle.
  • ADDED: Support for row selection with the Space key when using multiple row selection.
  • ADDED: Image property in GridViewCommandColumn.
  • FIXED: If cell value is of type unsigned integer, it is not exported when using ExportToExcelML.
  • FIXED: Child views are not expanded if their parent view is already expanded when using the ExpandAll method.
  • FIXED: There is an exception when clicking on header column border twice.
  • FIXED: There is an exception when opening and closing the drop down list editor quickly.
  • FIXED: There is an exception when using filtering in some cases.
  • FIXED: There is an exception when using column groups view and changing the data source.
  • FIXED: There is an exception when using expression based conditional formatting.
  • FIXED: There is an exception when disposing RadGridView on some of its mouse events.
  • FIXED: There is an exception when BestFitColumns method is called during data update.
  • FIXED: There is an exception when copying cells from different groups.
  • FIXED: There is an exception when deleting rows that are selected with the translucent rectangle.
  • FIXED: There is an exception when loading a saved layout from a MemoryStream.
  • FIXED: There is an exception when sorting or filtering.
  • FIXED: There is an exception when closing a form when the CellDoubleClick is handled.
  • FIXED: There is an exception when a property of a data bound record is changed and filtering is applied.
  • FIXED: There is an exception when expanding a row.
  • FIXED: There is an exception when the Text property of the drop down list editor is initialized with null value.
  • FIXED: There is an exception when using the auto complete feature in drop down list editor.
  • FIXED: There is an exception while selecting and scrolling, using multiple cell selection.
  • FIXED: There is an exception while selecting multiple cells and grouping is applied.
  • FIXED: The top summary row appears twice when grouping is applied and using BeginUpdate/EndUpdate methods.
  • FIXED: The cell is not updated when setting the value of unbound column in bound mode.
  • FIXED: The binding source current position is not updated after sorting.
  • FIXED: Grouping is not working properly when using unbound mode.
  • FIXED: The paste command executes over columns marked as read-only.
  • FIXED: The selection is incorrect when using drop down list editor in auto complete suggest mode.
  • FIXED: There is an exception when setting the AutoSuggestMode to Suggest when using the drop down list editor.
  • FIXED: The copy operation is not working for cells from the second level when using hierarchy.
  • FIXED: Column reordering is possible even when the AllowColumnReorder property is set to false.
  • FIXED: The maximum vertical scroll position is not accurate when the new row is on the bottom and sorting is applied.
  • FIXED: The tab navigation is not working properly when using the time picker editor.
  • FIXED: Only cells from the root level are deselected when using the ClearSelection method.
  • FIXED: The drag/drop indicator remains visible outside RadGridView when a column reaches its right side.
  • FIXED: When exporting to Excel, values that have white-spaces at the beginning or at the end are trimmed.
  • FIXED: There is a visual glitch when using hierarchy with auto sized rows.
  • FIXED: Some rows are not visible when adding them manually and using self-reference hierarchy.
  • FIXED: The IsContainedIn filter operator does not work properly.
  • FIXED. The Current item in the Binding Source is not updated after sorting.


  • FIXED: There is a visual glitch when the AutoScroll property is set to true.
  • BREAKING CHANGE: The AutoScroll property is no longer functional and its value will be always false.


  • FIXED: The Image property is not set when setting ImageKey or ImageIndex properties.


  • FIXED: The layout remains suspended after adding items with custom visual style.


  • FIXED: The CheckedItems collection is not cleared properly when the DataSource is changed.
  • FIXED: The text is not automatically updated when setting the HeaderText property of a column.
  • BREAKING CHANGE: The OnColumnRadPropertyChanged method in DetailListViewCellElement is replaced with OnColumnPropertyChanged.


  • FIXED: The mask is not applied when the value is pasted from the context menu.


  • ADDED: The ability to replace the default drop-down of the component.
  • FIXED: The MDI list menu item maximizes the associated child form when the user activates the main form.
  • FIXED: MDI list items are multiplied when the parent form changes its RightToLeft property value.
  • FIXED: The Click event fires twice for RadMenuButtonItem.


  • FIXED: When you try to navigate between buttons using the arrow keys, the focus is lost at one of the steps.
  • FIXED: Windows Narrator does not read RadMessageBox correctly.


  • FIXED: The editor displays wrong text when a row with null value is selected.
  • FIXED: Shift + Tab navigation causes the drop-down to open.
  • FIXED: The correct item cannot be selected when the AutoFilter property is set to true and filtering is applied.


  • ADDED: The functionality to allow replacing RadPageViewExplorerBarItem with a custom one.
  • FIXED: The close button image is missing for RadPageViewItem when using the Desert theme.
  • FIXED. In BackStageMode loses its content when user changes the theme.

RadPivotGrid (CTP)

The first public version of RadPivotGrid for WinForms is available in the Q2 2012 SP1 release as a CTP. This control takes large chunks of data and summarizes it in a human readable way by the help of aggregates and field descriptors. The end-user can easily get an aggregated view of the data that would best suit their needs by dragging and dropping the items of the field descriptors and the aggregates. RadPivotGrid can also sort the data and show subtotals and grandtotals at the end or at the beginning of the summarized data. As a control based on the Telerik Presentation Framework, RadPivotGrid also supports themes that you can quickly personalize with the help of Visual Style Builder.


  • FIXED: Cannot select the image for property store item of type Image.
  • FIXED: The initial items stored in the property grid remain when changing the SelectedObject property.
  • FIXEDL The string "(none)" in the PropertyGridBrowseEditor cannot be localized.


  • FIXED: The Click event of ExitButton and OptionButton is fired twice.
  • FIXED: Items added at design time disappear when switching between designer surface and code.
  • FIXED: RadRibbonBar does not present its content properly when showing tab content inside the ribbon popup.
  • FIXED: There is an exception when setting the AutoSize property of RadRibbonBarGroup to false and resizing the group at design-time.
  • FIXED: The content is not properly aligned in the dropdown popup.
  • FIXED: The TextAlignment property is not properly synchronized.
  • FIXED: The gradient style is wrong in the Office2010Blue theme.


  • FIXED: Exporting bold text from RadRichTextBox generates wrong HTML.
  • FIXED: RadRichTextBox renders additional line breaks when importing text from HTML.
  • FIXED: Deleting content with the Delete key while the control is in read-only mode should not work.
  • FIXED: Tab symbols are skipped when importing text in RTF format.
  • FIXED: The caret should not be visible when using read-only mode.


  • ADDED: Add prompt dialog when you hit the Delete key on an occurrence of recurrence series.
  • FIXED: Appointments with zero duration do not appear in Month view if their start time is set to 12:00AM.
  • FIXED: Cannot set different cell count for different scheduler instances in the same application.
  • FIXED: In some cases the AppointmentSelected event does not fire properly.
  • FIXED: The behavior of RadScheduler is incorrect when clicking the Remove Recurrence button for a recurring appointment with exceptions.
  • FIXED: There is an exception when using grouped day view mode and dragging an appointment.
  • FIXED: There is an exception when rebinding RadScheduler.
  • FIXED: The AutoScrollToWorkTime option does not work properly when RadScheduler is initially displayed.


  • ADDED: Localization provider for RadSpellChecker component.


  • FIXED: The Value is not correct when the editor is placed in RadDock and the active window changes.


  • IMPROVED: Added an option to choose whether the NullText should be wrapped or not when using multi-line text box.


  • FIXED: Parent node checked state is invalid when canceling the NodeCheckedChanging event for a child node and using TriStateMode.
  • FIXED: There is an exception when clearing and reinserting nodes.
  • FIXED: There is an exception when adding new items and using self-referencing DataSource.
  • FIXED: There is an exception when scrolling is performed and the data is loaded from xml document.
  • FIXED: There is an exception when setting the NumberOfColors property to 1 in the Style property of the node.
  • FIXED: There is an exception in when using Office2010Silver theme.
  • FIXED: There is an exception when setting the ThemeName property of RadTreeView to Office2007Black.
  • FIXED: SelectedNode and SelectedNodes properties should be cleared when the DataSource property is set to null.
  • FIXED: The AutoScroll property should not be visible at design-time.
  • FIXED: The gradient style is not properly applied via the Style property of the node.

Telerik Presentation Framework

  • ADDED: Aqua theme.
  • FIXED: There is an exception when using splash screen and creating screen tips.
  • FIXED: Controls stay disabled when changing the Enabled property in the Form.Load event.
  • FIXED: RadThemeManager does not load all themes.
  • FIXED: Theme remains applied at design-time even when RadThemeManager is removed.
  • FIXED: HTML formatted text is not parsed properly when the starting tag is <p>.
  • FIXED: The <u> tag does not underline spaces between words.
  • FIXED: It is possible to click RadControls while validating a control.
  • FIXED: Panel hosted in RadHostItem has wrong colors.
  • FIXED: Memory leak in all controls caused by the internal bitmap caching.
  • FIXED: The GenerateMember property is not working properly in all controls.
  • FIXED: RadPageViewItem's close button is missing an image in the Desert theme.
  • BREAKING CHANGE: Changed the access modifiers for several methods and properties used internally from protected to public.

Visual Style Builder for WinForms

  • FIXED: Visual Style Builder cannot start when using the .Net 4.0 Telerik assemblies.

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