RadValidationProvider - validation management tool designed to enable users to easily define multiple validation rules and associate them with editors without having to write a single line of code.
Support for Vector images - Telerik UI for WinForms now supports vector images across the entire UI library.
.NET Core Project Converter for WinForms - Visual Studio tooling from Telerik UI for WinForms will help you convert your existing full framework projects to .NET Core ones.
Marked zone annotations with custom shapes for RadChartView - this feature allows you to add annotations that are formed by a set of FreeFigurePoints and enables you to easily create a free figure plotted on the viewport.
Support and Compatibility
Support for .NET 5 preview - You can now take Telerik UI for WinForms controls for a .NET 5 preview spin.
Hidden treeview-node is shown in breadcrumb.
Incorrect export to enhanced metafile (EMF) image format.
Axis border color of the first series mistakenly changes to black when repopulating new set of series with multiple Y-axes.
There is an empty space below and above bigger images in CardMessages.
Incorrect right border on 200% DPI scaling.
Empty cell values should be read by Narrator considering the column's NullValue property.
When binding to BindingList and clear the rows collection, SelectedRows.Count =1 although Rows.Count = 0.
The header checkbox ReadOnly property is not synced with the ReadOnly property of the column.
NullReferenceException with calling RadDataFilter.ApplyFilter and a grid's cell is edited.
Saving the layout stored the columns' width scaled according to the DPI scaling.
The EnableAlternatingItemColor and the MultiExtended selection mode can break the back color of the selected items.
Improve the performance of the control when it is grouped and the data source is set.
Clearing the items in the data source used by the list view should also clear the items in the Groups if there are any.
Cannot specify multiple HazardousMaterials and multiple HazardousPermits in BingRestTruckRouteRequest.
MapVisualElementFactory.CreateCluster() is not used for the ElementClusterStrategy.
KML reader does not handle Polygons with InnerBoundaryIs tags correctly.
RadMenuItem's DropDownCreating event does not allow to replace dropdown.
Setting UseCompatibleTextRendering to false lead to StackOverFlowException.
Horizontal scrollbar is missing after resizing the columns and the AutoSizeDropDownToBestFit property is set to true.
Visual glitch when AutoSize=true and Dock=Top.
Disable resizing of the SelectionMiniToolBar
SelectionMiniToolBar should not close if font or size drop down is opened.
SelectionMiniToolBar is not closed after navigating to another RadPageViewPage.
Pasting text into the control does not scroll down to the caret position.
Parse minutely recurrence.
Spellchecker updates text in readonly textbox.
Strings will be colored in C#, VB, JS.
Program crash when setting Text = Nothing, ShowClearButton = True, and placing the textbox in another PageView tab.
The back color of the text box is not correct when the control is disabled and the ControlDefault theme is used.
TextAlign property exposed to the control.
Expose HideHintWindow and ShowHintWindow methods.
KeyboardForm does not open under its associated control if the LayoutType is set to Numpad.
Error when resizing the headers or footers.
Typing using Telugu generates additional spaces after the typed content.
After restarting the numbering of a level, the upper-level numbering is also modified.
Applied BackColor is lost when the ThemeName drop down is just opened and closed.
Selected/current row is enlarged when the AutoSizeRows property is enabled and Windows8 theme is applied.
Object reference not set to an instance of an object on DPI scaling higher than 100%.
Implemented support for form fields in ThumbnailFactory.
Implemented support for respecting Custom UI Layers in ThumbnailFactory.
[Preview] Implemented support for importing documents using the PdfProcessing model.
ArgumentException in FixedPageRenderer when drawing a pdf document with highlighted text.
Missing text content caused by handled InvalidCastException while parsing Type1 font file.
NullReferenceException is thrown when Printing a document which is still not loaded.
Provided API for clearing the registered fonts in the FontsRepository.
Support for WMF/EMF images when exporting documents to PDF.
Implemented rename functionality for interactive form fields.
Provided an Exception handling mechanism when importing and loading documents content.
ArgumentException is thrown while importing choice field with an empty string for a value.
Incorrectly applied glyph widths after importing and exporting a document.
Whitespaces are ignored when exporting text with char spacing using TextFormatProvider.
Form Fields are not copied when merging documents.
Importing DecodeParms containing null or stream object results in missing image.
Inserting large image file with non-default ImageQuality setting causes OutOfMemoryException.
ImageQuality property is not retrieved properly from the format provider.
The Lookup function does work with text values.
Added support for exporting Line breaks to plain text format.
Exception when using multiple instances of RtfFormatProvider.
NullReferenceException is thrown while importing HTML document containing a link element that has style attribute.
NotSupportedException is thrown when exporting documents with WMF/EMF image to PDF.