Last Updated: 30 Jul 2019 10:15 by ADMIN
The current implementation relies on valid cross-reference table offsets in the PDF documents so that PDF objects are easily found and parsed. However, a mechanism for importing documents with invalid cross-reference table offsets may be implemented.

The attached project shows how to repair such documents.
Last Updated: 29 Jul 2019 14:48 by ADMIN
Created by: Dimitar
Comments: 0
Category: AutoCompleteBox
Type: Feature Request
While typing, if there's a matching item - it's being highlighted. However, when deleting text, no item gets highlighted even if there is a match.
Pending Review
Last Updated: 29 Jul 2019 09:55 by ADMIN
Created by: Nebojsa Mancic
Comments: 1
Category: MaskedInput
Type: Feature Request

You have to add next features to RadMaskedNumericInput

 - Data binding to object

- Value could be decimal

- Value range, from min to max,



so this control could be useful in complex data entry form. 

Last Updated: 29 Jul 2019 09:42 by ADMIN
The compass elements are not on the proper places when the docking is on the second monitor. To reproduce this the DPI of the monitors should be different for example 125% (main) and 150% (secondary). Also, to reproduce this you will need to enable the DPI awareness of the application by setting the dpiAware and dpiAwareness settings in the app.manifest file.
Last Updated: 29 Jul 2019 08:01 by ADMIN
Currently, a CollectionChanged notification of the bound collection needs to be raised for the Filtering/Sorting/Grouping to be updated.
Last Updated: 26 Jul 2019 15:08 by ADMIN
Release LIB 2019.2.729 (7/29/2019)
Created by: Polya
Comments: 6
Category: PivotGrid
Type: Feature Request

Last Updated: 26 Jul 2019 15:07 by ADMIN
Release LIB 2019.2.729 (7/29/2019)
Add support for Hours/Minutes/Seconds steps. Also, add a DayNumber option.
Last Updated: 26 Jul 2019 10:19 by ADMIN
When the layout type is set to Details the rename with the slow double click doesn't work. The selected file/folder doesn't enter edit mode.
Last Updated: 26 Jul 2019 06:09 by ADMIN
Release LIB 2019.2.729 (07/29/2019)

Currently, to modify the default appearance of the cells you can use the CellDecorationsNeeded event of RadVirtualGrid. The event args exposes a predefined set of properties that can be applied onto the cell. However, there is no text alignment.

Introduce a cell text alignment property in the event args similar to the CellTextAlignment of the RadVirtualGrid itself.

Last Updated: 26 Jul 2019 05:46 by ADMIN
Created by: Martin Ivanov
Comments: 2
Category: UI for WPF
Type: Bug Report

Most commonly the exception message is "Input file or data stream does not conform to the expected file format specification".

This appears because of the glyphs font used in the different controls.

To work this around you can use two approaches:

  • Update to Windows 7 SP2.

  • The second option is to download the UI for WPF source code, find the TelerikWebUI.ttf file and convert it to .otf using a third party tool (like FontForge for example). Then use a reflection to replace the font file, before the application startup. For example:
    var dictionary = typeof(RadGlyph).GetField("registeredTypefaces", BindingFlags.NonPublic | BindingFlags.Static)?.GetValue(null) as Dictionary<string, Typeface>;
    RadGlyph.RegisterFont(new FontFamily(new Uri("pack://application:,,,/WpfApp3;component/TelerikFont/", UriKind.RelativeOrAbsolute), "./#TelerikWebUI"), "TelerikWebUI");
    In the code snippet, "WpfApp3" is the assembly name of your project, and "TelerikFont" is a folder in your project, containing the converted font file. You can call this code in the OnStartup override of App.xaml.cs. Or before the InitializeComponent() call in the main window's constructor.
Last Updated: 25 Jul 2019 13:36 by ADMIN
Release LIB 2019.2.729 (07/29/2019)
When a gif or tif image is copied and then pasted into the document does not result in the original image. "Image not found" icon appears instead.
In Development
Last Updated: 25 Jul 2019 08:51 by ADMIN
Add an API that allows you to hide the Start Recording and Take Snapshot buttons.
Last Updated: 25 Jul 2019 07:16 by ADMIN

When importing a document with empty pages collection an ArgumentNullException: 'Value cannot be null.
Parameter name: page', is thrown, which leads to application crash.

Workaround: Import the document using the PdfProcessing library and add an empty page:

PdfFormatProvider pdfProcessingFormatProvider = new PdfFormatProvider();
RadFixedDocument document = pdfProcessingFormatProvider.Import(stream);
if (document.Pages.Count == 0)


Last Updated: 24 Jul 2019 17:38 by ADMIN
The CIDFont dictionary may contain an array, describing the widths of the glyphs. If the width has a negative value an ArgumentException: 'Width and Height must be non-negative.', is thrown when the document is imported in RadPdfViewer, which leads to application crash.
Last Updated: 24 Jul 2019 08:30 by ADMIN

Currently hiding certain ticks requires custom empty tick template or custom ticktemplate selector. When resizing such slider labels get overlapped because tick panel reserves space for the ticks - to preserve the proportions between tick values.

So user needs to use Canvas in the datatemplate of the tick.

The idea of this feature request is to somehow allow such feature out of the box with eventually additional property / behavior / built-in selector etc.

Last Updated: 23 Jul 2019 10:29 by ADMIN
Loading items in RadGridView takes too much time due to operations executed on the UI. 
Last Updated: 23 Jul 2019 06:50 by ADMIN


RadRichTextBox (RTB) is used in MainWindow and no other controls are used.

Saving the RTB with PersistenceFramework results in endless loop of saving RTB dialogs and its template parts.

This results in StackoverflowException.
Last Updated: 22 Jul 2019 14:48 by ADMIN
GridViewMultiColumnComboBoxColumn does not have any selected value in edit mode when SelectionBoxesVisibility is set to Collapsed/Hidden and AutoCompleteMode is Search/Suggest.
Last Updated: 22 Jul 2019 11:18 by ADMIN
Release Lib 2019.2.722 (07/22/2019)
Created by: Martin Ivanov
Comments: 0
Category: ComboBox
Type: Bug Report

If the height of RadComboBox is set to a value smaller than 26px (in Office2013) then the content of the RadToggleButton presenting the selected content is clipped.

This was reproduced with the Office2013 theme.

To work this around set the MinHeight of the child RadToggleButton to the same MinHeight as RadComboBox.

private void RadComboBox_Loaded(object sender, RoutedEventArgs e)
    var comboBox = (RadComboBox)sender;
    var toggle = comboBox.FindChildByType<RadToggleButton>();
    toggle.MinHeight = comboBox.MinHeight;


Last Updated: 22 Jul 2019 10:44 by ADMIN
Release LIB 2019.2.722 (07/22/2019)
Expose API to control window's location when using Editor attribute with the EditorStyle.Modal