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 R2 2017 (version 2017.2.502)

High DPI Support
NEW

    Build-in support for high resolution DPI monitors. RadControls will scale their UI elements in accordance to the current DPI settings automatically.

Material Theme
NEW

    The theme is designed for touch devices, utilizing the material design guidelines. It will provide your application with a modern look and feel as well. With this theme, we are also introducing three new features: built-in animations, shadows and an option to use custom fonts without installing them on clients’ machines.


RadGridView
FIXED

    Editor is not closed when the user clicks the row header
    Exception when deserializing composite filter descriptor without a PropertyName. 
    Exception when the grid is sorted, the search row has an applied value and you toggle the header checkbox of a GridViewCheckBoxColumn.
    GridViewDataErrorEventArgs.ThrowException argument is not considered in the DataError event.
    Incorrect format for the filter cell when ViewCellFormatting is used.
    Incorrect layout of the GroupPanelElement when maximizing and minimizing the form.
    InvalidCastException when using the CompositeDataFilterForm and applying a filter for a nullable DateTime column.
    RadContextMenu is stuck when it is opened with a certain delay and another application is currently active.
    The row position is reset when the IsSelected property of the row is set.
    The SUM expression function does not work when the grid is grouped.
    Visual glitch when hiding the group headers of the ColumnGroupsViewDefinition.
    When the control is grouped pinning the last row of a group makes the row to visually disappear.
    Wrong section behavior when MultiSelect is true and the row header is hidden.

RadRichTextEditor
FIXED

    Рўhe comments buttons in the RibbonUI are not working properly.

RadRadialGauge
FIXED

    Exception when hovering over the gauge and some of the single labels are not visible.

RadPropertyGrid
FIXED

    ArgumentOutOfRangeException when cancelling the PropertyGridDropDownListEditor.ValueChanging event.

RadDataEntry
NEW

    Add possibility to move the control at design time by selecting the control on the form.

RadVirtualGrid
FIXED

    Exception when setting the current cell to null.

RadTextBoxControl
FIXED

    The performance is slow when using the AppendText method.

RadGroupBox
FIXED

    Incorrect back color for the group box with VisualStudio2012Dark theme.

RadDock
FIXED

    The document window text is not updated when the DPI is set to 150% and new windows are added.

RadMultiColumnComboBox
FIXED

    FilterExpressionException when entering numeric field in the editable part.

RadMenu
FIXED

    Incorrect back color of the menu items in normal and MouseOver states with the VisualStudio2012Dark theme.

RadMaskedEditBox
FIXED

    Changing the culture changes the decimal separator of the IP mask.
    Clear method doesn't allow the Value property to be updated any more with MaskType.None.

RadTreeView
FIXED

    Р•xception when pressing arrow down or up when renaming node with scrollbar.
    TreeView lines are not correctly displayed with most themes.

RadZipLibrary
FIXED

    NotSupportedException thrown when using ZipFile.ExtractToFile method.
    UnauthorizedAccessException when using the ZipFile.ExtractToDirectory method.

RadScheduler
FIXED

    The appointment image is over the header cells when one is scrolling.
    Рўhe copying and pasting an appointment is not raising the AppointmentAdded event.

RadRibbonBar
FIXED

    Prevent the popup of the gallery element to exceed the bounds of the screen.
    The caption element of a ribbon bar group is cut off when displayed in a drop down menu popup.

RadRangeSelector
FIXED

    When associating RadChartView to a RadRangeSelector and then binding the chart the range selector does not render the inner chart.

RadChartView
FIXED

    Memory leak when the axis labels are changed constantly.

RadCheckedDropDownList
FIXED

    Popup is not sized correctly if the ShowCheckAllItems property is set to true.
    Removing checked items in BeginUpdate/EndUpdate block doesn't reset the editable part.

RadCheckBox
FIXED

    After creating a custom RadCheckBoxElement several events don't fire any more.

RadButton
FIXED

    When disable and enable again the button in Windows 8 theme the ButtonFillElement.NumberOfColors property is set to 1.

RadCommandBar
FIXED

    When used CommandBarDropDownButton with RightToLeft layout the popup position is wrong.
    The buttons in the overflow popup of RadCommandBar does not have hover styles in Windows8 theme.

RadBindingNavigator
FIXED

    Next/Previous buttons stops working after resetting the BindingSource several times.

RadDateTimePicker
NEW

    Users should be able to change the RadDateTimePickerElement when inheriting the control.

FIXED

    ArgumentOutOfRangeException when using HeaderNavigationMode = Zoom and having the focused data to equal the min date.

CHANGED

 
RadPanorama
FIXED

    The drag and drop functionality does not allow you to drop tiles on the desired location when the TileGroupElement.CellSize is modified.

RadPdfViewer
NEW

    Signature support
    Export method returning the page as an in-memory image.

FIXED

    Disposing the control should unload its document.
    Exception when loading a document with an empty path.
    Improve the loading time of documents with single large images.
    StackOverflowException is thrown when opening PDF file with JBIG2Decode image.

RadGanttView
FIXED

    Deleting the root task doesn't remove the child tasks.
    Setting the CanDrop property to false in the GanttViewDragDropService.PreviewDragOver doesn't disable the drop operation.

RadForm
NEW

    Auto layout functionality when font or DPI is changed.

FIXED

    Incorrect border for a MDI child form with AllowTheming=false.
    RadForm  is not rendered properly when in fullscreen mode.
    Setting AllowTheming in inherited form breaks the border and the system buttons styles.
    There is an exception when moving a form to a negative coordinates in a x64 application.

TPF
NEW

    Implement functionality for an application-wide setting of UseCompatibleTextRendering.
    EnableCodedUITests global setting affecting all descendants of RadControl.

PdfProcessing
NEW

    Implemented optimizations in PdfStreamWriter cache in order to reduce memory when writing RadFixedPage instances.
    Introducing AlphaChannel property and alphaChannel constructor parameter in EncodedImageData class allowing to create images with transparency.
    Implemented support for interactive forms and form fields, allowing reading and filling of form fields values.
    Implemented support for Form XObjects, allowing reuse of PDF content.
    Implemented support for validation and creation of a digital signature.

FIXED

    PdfFileSource resources are kept in PdfStreamWriter cache even after the PdfFileSource instance is disposed.

SpreadProcessing
NEW

    Introduced support for the TRIM function.
    Introduced support for the CHOOSE function.

FIXED

    Formula values resulting in exponential numbers with very small values are calculated as zero.

Only for V.I.P