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Telerik UI for Winforms

Release History

UI for WinForms R1 2021 SP2 (version 2021.1.223)

Feb 24, 2021

Support and Compatibility

NEW
  • Support for .NET 6.0 - We have built the controls in our suite for the .NET 6.0. The.NET 6 Designer should be ready in a few weeks.

FileDialogs

FIXED
  • "File name" shouldn't be cleared when you select a folder.

RadCalendar

FIXED
  • When the date is set to DateTime.MaxValue and the user tries to show the navigation pop-up an exception is thrown.

RadCheckedDropDownList

FIXED
  • Serialized data from the Element hierarchy editor leads to error when running the application. Resolution: TextBlockElement should not be displayed in ElementHierarchyEditor, like in RadAutoCompleteBox.

RadDock

FIXED
  • Missing docking guides in the Advanced Layout Designer in .NET 5.0.
  • Cannot drag and drop controls from the toolbox inside the tool and document windows in .NET Core and .NET 5.0.

RadForm

FIXED
  • Border is missing after maximize the form by double click the title bar then return it to its normal state in 2020.3.1020 Telerik version.

RadGridView

FIXED
  • Nested Grid Scrolling throws error.

RadListControl

FIXED
  • SelectAll issue when EnableAlternatingItemColor is On.

RadPdfViewer

NEW
  • Handle import of documents containing Outlines (Bookmarks) containing Actions with an empty dictionary.
  • Introduced mechanism for loading custom font files when importing TrueType fonts.
FIXED
  • Pdf viewer crashes when opening document.
  • Importing documents with Type 3 fonts in ReadAllAtOnce mode leads to blank pages.
  • Paragraph bullets are not painted as dots.
  • IndexOutOfRangeException is thrown when importing a document containing a specific image encoded with JBIG2Decode.

RadPivotGrid

NEW
  • CustomName should be saved when dragging the PropertyGroupDescription from ColumnGroupDescription collection and dropping it to RowGroupDescription collection or backwards.
FIXED
  • GroupDescriptions loose the Custom Name after dragging.

RadPropertyGrid

FIXED
  • PropertyGridSpinEditor automatically rounds decimal values to 2 decimal places no matter the BaseSpinEditorElement.DecimalPlaces property.

RadRichTextEditor

NEW
  • Added support for export of .ico image files.
FIXED
  • Context menu enabled for text in header in footer after we close them.
  • The images are not rendered when using .Net Core.
  • Header and Footer Going "Out of the Box".
  • Table borders in the header or footer should be resized only when the header or footer is in edit mode.
  • When multiple RadRichTextEditor instances are created in separate threads, clicking on image results in a thread access exception.
  • Double clicking a cell before layout changes are fully updated may result in an exception.
  • The paste options are not respected when using the Paste method for the first time.
  • The caret position is incorrect when there is a global ScrollViewer style that sets the FlowDirection to RightToLeft.

RadScheduler

FIXED
  • Resource editor inside Edit Appointment Dialog is misplaced in Material themes.

RadSpreadsheet

NEW
  • ListDataValidation not working, dropdown does not appear in control.

RadSyntaxEditor

NEW
  • Add ShowLineNumbers property.
FIXED
  • Character data sections are not recognized by XmlTagger.

RadTabbedForm

FIXED
  • Setting the SelectedTab at runtime doesn't scroll to ensure that the tab is visible.

RadTextBoxControl

FIXED
  • The spaces are not converted to PasswordChar when UseSystemPasswordChar=true.

RadTreeView

FIXED
  • In some border cases longer node texts are cut.
  • Issue when rename a root node and the SortOrder property is set.

RadVirtualGrid

FIXED
  • VirtualGridDropDownListEditor with long text overlaps other cells.
  • Filter cell values are not cleared when FilterDescriptors are cleared.
  • Hitting tab after expanding row causes an exception.

Theming

FIXED
  • "Type not found..." when calling the ThemeResolutionService.LoadPackageResource method when loading the Fluent theme.

TPF

NEW
  • Add API to clear the cached raster images.
FIXED
  • The RadSvgImage type serializes the assembly version in the form`s .resx file causing errors when the project upgrades.

Installation and general issues

FIXED
  • The v2021.1.122 version of the UI.for.WinForms.AllControls.Net40 requires .NET Framework 4.6.1 as minimum.

PdfProcessing

NEW
  • Introduced mechanism for loading custom font files when importing TrueType fonts.
  • Handled import of documents containing Outlines (Bookmarks) containing Actions with an empty dictionary.
FIXED
  • Standard fonts do not respect font style and font weight when the original font is not found.
  • ArgumentException is thrown when merging a document containing Link annotation without action or destination.
  • NullReferenceException is thrown when parsing an object stream that contains endObj keyword.
  • Paragraph bullets are not painted as dots.
  • IndexOutOfRangeException is thrown when importing a document containing a specific image encoded with JBIG2Decode.

SpreadProcessing

NEW
  • Exported CSV should have an extra comma-separated field in place of empty cells.
FIXED
  • The TabColor is lost on import/export scenario and in case it is set in the code.

WordsProcessing

NEW
  • Introduced support for Run properties as part of the Structured Document Tag properties.
FIXED
  • Image size is not respected when importing HTML.
  • ArgumentException is thrown when importing invalid font sizes from DOCX.
  • Bullets are not exported correctly to PDF.
  • Floating image is positioned incorrectly when exporting to PDF in some cases when the image is added right after a run.
  • Empty paragraphs height is lower than expected in PDF export scenarios.

New features & Roadmap

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