Telerik UI for WinForms includes more than 90 user interface controls you can use to fulfill the most demanding desktop or tablet application requirements. All-way customizable GridView, Form, Chart, Scheduler, RichTextBox and other essential controls enable you to build any Line of Business or Modern application in less time while staying under budget.

All Telerik Windows Forms controls come with full theme support. You can use any of the 19 included themes (Windows 8, Office 2013, Visual Studio 2012), or build new ones with the intuitive and unique Visual Style Builder tool. The built-in themes help you effortlessly deliver sleek and consistent, next-generation user experiences across your desktop and tablet applications.

Despite having animations and rich visual effects, Telerik UI for WinForms controls feature excellent performance aimed at helping developers like you improve your productivity and deliver better and faster applications in less time.
UI for WinForms enables easy development of complex, high-performing apps by:

Minimizing the amount of required repainting and layout rearrangements
Empowering all data controls with a data engine guaranteeing blazing-fast data loading and updates
Allowing you to exercise fine-grained control over the component's appearance and behavior using simple CSS-like syntax
Setting attractive defaults for controls supplied by the Telerik Presentation Framework
Providing easy integration with CAB and its underlying infrastructure

UI for WinForms R3 2017 (version 2017.3.912)

September 13, 2017
RadPdfViewer
NEW

    Editing Forms.
    Sign Signature Dialog.

FIXED

    One should be able to disable the Validation Status dialog.

CHANGED

    Removed .NET 2.0 support. Now RadPdfviewer supports only .NET 4.0 or higher versions.

RadGridView
NEW

    Provide a way for appending sheets to an existing workbook in GridViewSpreadStreamExport.

FIXED

    The ColumnGroupsViewDefinition is not exported when the FreezeHeaderRow property is true.
    NullReferenceException when copying an empty cell in GridViewSelectionMode.CellSelect.
    Cannot paste data after read-only cells.
    GridViewSpreadExport doesn't export dates in date+time format with any of the available  DisplayFormatTypes.

RadForm
FIXED

    Grey back color in the designer on a Visual Studio with a Korean language.
    The FormBorderStyle property is not respected when AllowTheming = false.
    Resizing is enabled even when the form's FormBorderStyle set to fixed when a StatusStrip is added to the form.

RadCollapsiblePanel
FIXED

    The arrow image is not updated when collapsing the panel.

RadTreeView
FIXED

    Binding the check-boxes to support TriStateMode.

RadDateTimePicker
FIXED

    Value cannot be entered when using FreeFormDateTimeProvider and Delete is pressed.
    Opening the popup with the holding the Alt and Down arrow keys changes the value in the control.

RadDock
FIXED

    The tool windows are not resized correctly in higher DPI.

RadDropDownList
FIXED

    Invalid DropDown size when the font is changed and the items are auto-sized.

RadTrackBar
FIXED

    Exception when setting the Text property of the TrackBarLabelElement in the designer.

RadToggleSwitch
FIXED

    Setting the ThemeResolutionService.AllowAnimations to false causes the NullReferenceException.

RadLabel
FIXED

    One cannot set the TextAlignment property to TopLeft.

RadSplitContainer
FIXED

    The layout element holding the resizing grip and splitter buttons should not be visible if the splitter element has its Fixed property set to true.

RadMultiColumnComboBox
FIXED

    Arrow image moves to the bottom a few pixels in Windows8 theme after disable/enable operation.

RadContextMenu
FIXED

    The sender is null in the DropDownOpening/DropDownOpened events.

RadMap
FIXED

    OverflowException when pan / zoom operation is performed with the mouse.

RadScheduler
FIXED

    NoNullAllowedException is thrown when adding a new appointment although the entered data is valid.
    ShowAppointmentStatus property doesn't work.
    Changing an item in the data source object and receiving ItemChanged notification in RadScheduler should update the item in the control.

RadRibbonBar
FIXED

    Improve the performance when resizing a ribbon form with many RadRibbonBarGroups.
    One cannot add elements to the ribbon caption.

RadLayoutControl
FIXED

    The visibility of the associated control is not restored when a group item is expanded.
    Exception when scrolling and the parent form is not RadForm.

RadChartView
FIXED

    Chart legend is not correctly exported when the CartesianArea.ShowGrid property is set to true.
    When the series are stacked the bar are not started from zero.
    The PositionOffset of the title is not respected when exporting to image.

RadPivotGrid
FIXED

    When the sorting is disabled, the sort arrow in the group descriptor element and sort options in the pivot group filter popup should not be present.
    PivotGridSpreadExport one cannot set the format or the value in the CellFormР°tting event.

RadRichTextEditor
FIXED

    CaretWidth property doesn't take effect.
    Clicking at the beginning of a paragraph which starts with annotation moves the caret to the end of the previous paragraph on every second click.
    HTML document containing invalid base64 string encoded image source can't be imported.
    The InsertHyperlinkDialog can still be opened using the Ctrl + K key shortcut even when the control has its IsReadOnly property set to true.

TPF
FIXED

    Button`s text location changes in a disabled state in the TerlerikMetro and TelerikMetroBlue themes.
    DPI scaling can't be disabled on Windows 7.
    The text box used by the PlusMinusEditor in the WatermarkPreviewDialog hides one of the buttons.

RadDiagram
FIXED

    Рўhe ConnectionClicked event is not fired when the diagram is zoomed.
    The ConnectorActivationChanged event is never fired.
    The scrollbar is not moved when clicking between the thumb and the button.

RadPropertyGrid
FIXED

    Рњissing style for the error indicator in Windows8, VisualStudio2012Dark, Aqua themes.
    Missing error image for failed validation in the Windows8 theme.

RadListView
FIXED

    Improve the layout logic of the SimpleListViewVisualItem in order to wrap children properly.
    Crash when binding RadListView to a collection of objects where the DisplayName attribute differs from field name.
    DataTable.Caption property is not respected in RadListView's columns.

RadOffice2007ScreenTipElement
NEW

    Рђdd support for more themes.

RadPageView
NEW

    Рђccess keys support for the page items.
    Show focus cues in tabs.

WordsProcessing
FIXED

    Getting actual style property value is evaluating Normal style last when a paragraph without explicitly assigned style is in a table.

    RtfFormatProvider: Non-breaking spaces declared with control word are missing after import.

SpreadStreamProcessing
NEW

    Added IWorkbookExporter.GetSheetInfos() method for accessing the names of the sheets within the workbook.

FIXED

    Default encoding of CSV documents changed to UTF8 with BOM, so you can easily work with special characters like Umlauts.

Only for V.I.P