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Completed
Last Updated: 07 Jul 2025 07:29 by ADMIN
Release 2025.2.707
PersistanceFramework: Missing types regarding GridViewColumns cause exceptions when saving
Created by: David
Comments: 0
Category: PersistenceFramework
Type: Bug Report
0
PersistanceFramework: Missing types regarding GridViewColumns cause exceptions when saving

Missing types regarding GridViewColumns cause exceptions when saving: 

 

Workaround

Add the types manually:

radGridView.ItemsSource = sampleData;
manager.AllowGridViewControls();

manager.AllowedTypes.Add(typeof(GridViewToggleRowDetailsColumn));
manager.AllowedTypes.Add(typeof(GridViewDataColumn));
manager.AllowedTypes.Add(typeof(DependencyObject));
manager.AllowedTypes.Add(typeof(Size));
manager.AllowedTypes.Add(typeof(SizeConverter));

var gridViewColumnType = typeof(Telerik.Windows.Controls.GridViewColumn);
var assembly = gridViewColumnType.Assembly;

// Get the internal type by its full name
var internalType = assembly.GetType("Telerik.Windows.Controls.GridViewColumnCollectionInternal", throwOnError: false);

// Use the type as needed (for example, add to AllowedTypes if required)
if (internalType != null)
{
    manager.AllowedTypes.Add(internalType);
}

Completed
Last Updated: 07 Jul 2025 07:29 by ADMIN
Release 2025.2.707
RibbonView: RibbonWindow's maximize icon is updated between its states in the Office2019 theme
Created by: Stenly
Comments: 0
Category: RibbonView
Type: Bug Report
0
RibbonView: RibbonWindow's maximize icon is updated between its states in the Office2019 theme

Using the RadRibbonWindow with the Office2019 theme, the maximize icon is updated when the button is interacted with (it does not change between the maximized and normal states). 

To work around this behavior, extract the default ControlTemplate of the RadRibbonWindow element and add an additional Setter with TargetName="maximizeButton" for its Content property, to the Trigger for the WindowState property when its value is set to Maximized. For the Value property of the added Setter, create a new RadGlyph element and set its Glyph property to GlyphWindowCollapse.

The following code snippet showcases this suggestion's implementation:

<Style TargetType="telerik:RadRibbonWindow" BasedOn="{StaticResource RadRibbonWindowStyle}">
    <Setter Property="Template">
        <Setter.Value>
            <ControlTemplate TargetType="telerik:RadRibbonWindow">
                <Border x:Name="outerBorder" Background="{TemplateBinding WindowBackground}" CornerRadius="{TemplateBinding CornerRadius}">
                    <Grid x:Name="MaximizeWindowDecorator">
                        <Grid telerik:CornerRadiusHelper.ClipRadius="{Binding ElementName=outerBorder, Path=CornerRadius}" telerik:CornerRadiusHelper.ClipRadiusOffset="{TemplateBinding telerik:CornerRadiusHelper.ClipRadiusOffset}" Margin="{TemplateBinding BorderThickness}">
                            <Grid.RowDefinitions>
                                <RowDefinition Height="28"/>
                                <RowDefinition Height="*"/>
                                <RowDefinition Height="Auto"/>
                            </Grid.RowDefinitions>
                            <Grid.ColumnDefinitions>
                                <ColumnDefinition Width="Auto"/>
                                <ColumnDefinition Width="*"/>
                                <ColumnDefinition Width="Auto"/>
                            </Grid.ColumnDefinitions>
                            <Border Grid.Row="0" Grid.Column="1" Background="{telerik:Office2019Resource ResourceKey=HeaderBackgroundBrush}"/>
                            <Grid Grid.ColumnSpan="3">
                                <Grid.ColumnDefinitions>
                                    <ColumnDefinition Width="Auto"/>
                                    <ColumnDefinition Width="*"/>
                                </Grid.ColumnDefinitions>
                                <StackPanel x:Name="IconPanel" Orientation="Horizontal" HorizontalAlignment="Left" Visibility="{TemplateBinding IconVisibility}" VerticalAlignment="Center" Margin="4 0 0 0">
                                    <Image
                                    Name="PART_Icon"
                                    shell:WindowChrome.IsHitTestVisibleInChrome="True"
                                    Source="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=Icon, Converter={StaticResource IconConverter}}"
                                    Width="{Binding Path=SmallIconSize.Width, Source={x:Static shell:SystemParameters2.Current}}"
                                    Height="{Binding Path=SmallIconSize.Height, Source={x:Static shell:SystemParameters2.Current}}"/>
                                    <Rectangle Width="1" Margin="4 0" Fill="{telerik:Office2019Resource ResourceKey=MainBorderBrush}"/>
                                </StackPanel>
                                <telerikRibbonViewPrimitives:WindowTitle x:Name="WindowTitle"
                                Grid.Column="1"
                                Title="{TemplateBinding Title}"
                                Style="{TemplateBinding TitleBarStyle}"
                                VerticalAlignment="Center"
                                HorizontalAlignment="Center"
                                Margin="0 0 65 0"/>
                            </Grid>
                            <StackPanel x:Name="buttonPanel" Orientation="Horizontal" Grid.ColumnSpan="3" HorizontalAlignment="Right" VerticalAlignment="Center" Margin="0 0 2 0">
                                <telerik:RadButton x:Name="minimizeButton"
                                                   shell:WindowChrome.IsHitTestVisibleInChrome="True"
                                                   ToolTipService.ToolTip="Minimize"
                                                   Command="{x:Static shell:SystemCommands.MinimizeWindowCommand}"
                                                   Style="{StaticResource RibbonWindowButtonStyle}"
                                                   CornerRadius="{Binding Path=CornerRadius.TopRight, RelativeSource={RelativeSource TemplatedParent}}">
                                    <telerik:RadButton.ToolTip>
                                        <TextBlock Text="{telerik:LocalizableResource Key=RibbonWindowMinimize}"/>
                                    </telerik:RadButton.ToolTip>
                                    <telerik:RadGlyph Glyph="{StaticResource GlyphMinimize}"/>
                                </telerik:RadButton>
                                <telerik:RadToggleButton x:Name="maximizeButton"
                                                         shell:WindowChrome.IsHitTestVisibleInChrome="True"
                                                         IsChecked="{Binding RelativeSource={RelativeSource TemplatedParent}, Path=WindowState, Converter={StaticResource BooleanToWindowStateConverter}, Mode=TwoWay}"
                                                         Style="{StaticResource RadRibbonWindowToggleButtonStyle}"
                                                         CornerRadius="{Binding Path=CornerRadius.TopRight, RelativeSource={RelativeSource TemplatedParent}}">
                                    <telerik:RadGlyph Glyph="{StaticResource GlyphWindow}"/>
                                </telerik:RadToggleButton>
                                <telerik:RadButton x:Name="closeButton"
                                                   shell:WindowChrome.IsHitTestVisibleInChrome="True"
                                                   Command="{x:Static shell:SystemCommands.CloseWindowCommand}"
                                                   Style="{StaticResource RibbonWindowButtonStyle}"
                                                   CornerRadius="{Binding Path=CornerRadius.TopRight, RelativeSource={RelativeSource TemplatedParent}}">
                                    <telerik:RadButton.ToolTip>
                                        <TextBlock Text="{telerik:LocalizableResource Key=RibbonWindowClose}"/>
                                    </telerik:RadButton.ToolTip>
                                    <telerik:RadGlyph Glyph="{StaticResource GlyphClose}"/>
                                </telerik:RadButton>
                            </StackPanel>
                            <Border x:Name="PART_ClientAreaBorder" Grid.Column="1" Grid.Row="1" Margin="0 12 0 0" Background="{TemplateBinding Background}"/>
                            <AdornerDecorator x:Name="Adorner" Grid.Column="1" Grid.RowSpan="2">
                                <ContentPresenter Canvas.ZIndex="0" Name="PART_RootContentPresenter"/>
                            </AdornerDecorator>
                            <ResizeGrip x:Name="WindowResizeGrip"
                            Grid.Row="1"
                            Grid.Column="1"
                            shell:WindowChrome.ResizeGripDirection="BottomRight"
                            HorizontalAlignment="Right"
                            VerticalAlignment="Bottom"
                            Visibility="Collapsed"
                            IsTabStop="False"/>
                        </Grid>
                        <Border Background="{x:Null}" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" CornerRadius="{TemplateBinding CornerRadius}"/>
                    </Grid>
                </Border>
                <ControlTemplate.Triggers>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="Window.ResizeMode" Value="CanResizeWithGrip"/>
                            <Condition Property="Window.WindowState" Value="Normal"/>
                        </MultiTrigger.Conditions>
                        <Setter TargetName="WindowResizeGrip" Property="Visibility" Value="Visible"/>
                    </MultiTrigger>
                    <Trigger Property="Window.ResizeMode" Value="NoResize">
                        <Setter TargetName="minimizeButton" Property="Visibility" Value="Collapsed"/>
                        <Setter TargetName="maximizeButton" Property="Visibility" Value="Collapsed"/>
                    </Trigger>
                    <Trigger Property="Window.ResizeMode" Value="CanMinimize">
                        <Setter TargetName="maximizeButton" Property="IsEnabled" Value="False"/>
                    </Trigger>
                    <Trigger Property="WindowState" Value="Maximized">
                        <Setter TargetName="MaximizeWindowDecorator" Property="Margin" Value="6"/>
                        <Setter TargetName="maximizeButton" Property="Content">
                            <Setter.Value>
                                <telerik:RadGlyph Glyph="{StaticResource GlyphWindowCollapse}"/>
                            </Setter.Value>
                        </Setter>
                        <Setter Property="CornerRadius" Value="0"/>
                    </Trigger>
                    <MultiTrigger>
                        <MultiTrigger.Conditions>
                            <Condition Property="telerik:RadRibbonWindow.IsAutoHideTaskbar" Value="true"/>
                            <Condition Property="Window.WindowState" Value="Maximized"/>
                        </MultiTrigger.Conditions>
                        <Setter TargetName="MaximizeWindowDecorator" Property="Margin" Value="-7 -2 -7 -6"/>
                    </MultiTrigger>
                    <Trigger Property="IsTitleVisible" Value="False">
                        <Setter TargetName="WindowTitle" Property="Visibility" Value="Collapsed"/>
                    </Trigger>
                </ControlTemplate.Triggers>
            </ControlTemplate>
        </Setter.Value>
    </Setter>
</Style>

Completed
Last Updated: 07 Jul 2025 07:29 by ADMIN
Release 2025.2.707
Licensing: The missing or invalid license dialog and watermark are shown even when a valid license key is installed in an addin project
Created by: Martin Ivanov
Comments: 3
Category: UI for WPF
Type: Bug Report
3
Licensing: The missing or invalid license dialog and watermark are shown even when a valid license key is installed in an addin project

The dialog and the watermark stating that no license is found are displayed, even when the license key is installed properly. This happens in addin projects, like Excel VSTO Add-in.

To workaround this use the  TelerikLicensing.Register method to install your license script key.

public MyWpfUserControl()
{
    TelerikLicensing.Register("your-script-key");
    InitializeComponent();
}

Completed
Last Updated: 07 Jul 2025 07:29 by ADMIN
Release 2025.2.707
DateRangePicker: ArgumentOutOfRangeException is thrown when the Separator property is set to a string that contains alpha-numeric/numeric "not required" mask tokens and the clear button is pressed
Created by: Stenly
Comments: 0
Category: DateRangePicker
Type: Bug Report
1
DateRangePicker: ArgumentOutOfRangeException is thrown when the Separator property is set to a string that contains alpha-numeric/numeric "not required" mask tokens and the clear button is pressed

An ArgumentOutOfRangeException is thrown when the Separator property is set to a string that contains alpha-numeric/numeric "not required" mask tokens, and the clear button is pressed. The control works with a custom RadMaskedTextInput control to parse different date and time patterns for the start and end dates, which replaces the mask tokens with a placeholder, resulting in the exception when updating the Value property of the RadMaskedTextInput when the value is cleared.

Completed
Last Updated: 07 Jul 2025 07:29 by ADMIN
Release 2025.2.707
DragBehavior: GetPerMonitorDPIAwareScaleFactor throws an exception when the parameter visual is null and crashes the application
Created by: Alexander
Comments: 0
Category: UI for WPF
Type: Bug Report
1
DragBehavior: GetPerMonitorDPIAwareScaleFactor throws an exception when the parameter visual is null and crashes the application
GetPerMonitorDPIAwareScaleFactor throws an exception when the parameter visual is null and crashes the application.
Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
WebCam: MF_E_SHUTDOWN exception may occur on unload or initialize of RadWebCam
Created by: Martin Ivanov
Comments: 0
Category: WebCam
Type: Bug Report
0
WebCam: MF_E_SHUTDOWN exception may occur on unload or initialize of RadWebCam

MF_E_SHUTDOWN error occurs in some cases when the camera MediaFoundation resources get released. This may happen on unloaded or initialized of the RadWebCam control.

Here is one of the exception stacktraces that may be observed:

Description: The process was terminated due to an unhandled exception.
Exception Info: System.Exception: Stop failed: MF_E_SHUTDOWN
   at Telerik.Windows.MediaFoundation.MediaFoundationHelper.ThrowOnHResultError(HResult hr, HResult expected, String message)
   at Telerik.Windows.MediaFoundation.BaseMediaFoundationPresenter.StopSession()
   at Telerik.Windows.Controls.RadWebCam.<Stop>b__38_0()

Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
MultiColumnComboBox: Glyph on the close button on the SearchAutoCompleteBoxItem element is not visible with the Material theme with Xaml assemblies
Created by: Stenly
Comments: 0
Category: MultiColumnComboBox
Type: Bug Report
0
MultiColumnComboBox: Glyph on the close button on the SearchAutoCompleteBoxItem element is not visible with the Material theme with Xaml assemblies
When using the Xaml version of our assemblies and the Material theme is set through the StyleManager, the glyph on the close button of each SearchAutoCompleteBoxItem element is not visible.
Completed
Last Updated: 29 Apr 2025 06:36 by ADMIN
Poor build performance with new Telerik license validation
Created by: Domas
Comments: 3
Category: UI for WPF
Type: Bug Report
1
Poor build performance with new Telerik license validation

** Fixed with Telerik.Licensing 1.4.16 **

The build performance with new license validation (2025) is very poor. 2025 version takes about 5 sec. extra time to build. For small projects it takes 10x longer.

Test environment:

  1. Default WPF project created from template.
  2. Only one change: Nuget Reference in .csproj
  3. .NET 8
  4. Visual Studio 17.13.

Build times depending on the Version of Telerik Nuget:

<PackageReference Include="Telerik.Windows.Controls.Navigation.for.Wpf" Version="2025.1.211" />

11:25:47:071    Build started at 11:25...
11:25:47:189    1>------ Build started: Project: TelerikBuildTest, Configuration: Debug Any CPU ------
11:25:51:748    1>[Telerik and Kendo UI Licensing]
11:25:51:748    1>      Telerik and Kendo UI License Key found at: C:\Users\...\AppData\Roaming\Telerik\telerik-license.txt (UserDirectory)
11:25:51:748    1>      License issued at 2025-03-16 to e**********@....
11:25:51:748    1>[Telerik and Kendo UI Licensing]
11:25:51:748    1>      Valid Telerik UI for WPF license found.
11:25:52:743    1>[Telerik and Kendo UI Licensing]
11:25:52:743    1>      Telerik and Kendo UI License Key found at: C:\Users\...\AppData\Roaming\Telerik\telerik-license.txt (UserDirectory)
11:25:52:743    1>      License issued at 2025-03-16 to e**********@...
11:25:52:743    1>[Telerik and Kendo UI Licensing]
11:25:52:743    1>      Valid Telerik UI for WPF license found.
11:25:52:815    1>TelerikBuildTest -> C:\Users\....\source\repos\TelerikBuildTest\TelerikBuildTest\bin\Debug\net8.0-windows\TelerikBuildTest.dll
11:25:52:828    ========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
11:25:52:828    ========== Build completed at 11:25 and took 05,892 seconds ==========

 

 

<PackageReference Include="Telerik.Windows.Controls.Navigation.for.Wpf" Version="2024.4.1213" />

11:26:33:405    Build started at 11:26...
11:26:33:581    1>------ Build started: Project: TelerikBuildTest, Configuration: Debug Any CPU ------
11:26:33:953    1>TelerikBuildTest -> C:\Users\...\source\repos\TelerikBuildTest\TelerikBuildTest\bin\Debug\net8.0-windows\TelerikBuildTest.dll
11:26:33:960    ========== Build: 1 succeeded, 0 failed, 0 up-to-date, 0 skipped ==========
11:26:33:960    ========== Build completed at 11:26 and took 00,633 seconds ==========

Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
GridView: Distinct values are not displayed when setting the FilterMemberPath to the Date property of a DateTime DataTable column when it contains DBNull.Value
Created by: Stenly
Comments: 1
Category: GridView
Type: Bug Report
3
GridView: Distinct values are not displayed when setting the FilterMemberPath to the Date property of a DateTime DataTable column when it contains DBNull.Value
Distinct values are not displayed when setting the FilterMemberPath to the Date property of a DateTime DataTable column when it contains DBNull.Value.

Generally, this is present because while the distinct values are generated, we check for the Date property in each row, however, when it reaches a row that has a DBNull.Value value, an exception is thrown because the Date property cannot be found in null.
Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
FileDialogs: Filter does not work if filename without extension is in the list of extensions, for example ''NetworkFiles | hosts; *.cfg; *.ini;'
Created by: Stenly
Comments: 0
Category: FileDialogs
Type: Bug Report
1
FileDialogs: Filter does not work if filename without extension is in the list of extensions, for example ''NetworkFiles | hosts; *.cfg; *.ini;'
Currently, the RadFileDialogs do not support setting filters without specifying the extensions for the files. This is deemed an incorrect filter pattern and an exception is raised.

We can provide support for filtering files that do not have an extension.
Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
GridView: NullReferenceException when automation peers creation goes over the MaxCachedPeersSize value (10,000) and the item type that populates the ItemsSource uses the 'record' modifier
Created by: Martin Ivanov
Comments: 0
Category: GridView
Type: Bug Report
5
GridView: NullReferenceException when automation peers creation goes over the MaxCachedPeersSize value (10,000) and the item type that populates the ItemsSource uses the 'record' modifier

NullReferenceException occurs when the the automation peers creation for the rows goes over 10,000 peers (the MaxCachedPeersSize setting of the GridViewDataControlAutomationPeer). The exception occurs only when the 'record' modifier is used in the class definition. For example:

public record class MyClass(int Id)
{
}

The exception stacktrace is:

System.NullReferenceException: 'Object reference not set to an instance of an object.'
peer was null.
Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Automation.Peers.GridViewDataControlAutomationPeer.ClearPeer(Telerik.Windows.Automation.Peers.DataItemAutomationPeer peer)   Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Automation.Peers.GridViewDataControlAutomationPeer.GetOrCreateItemPeer(object item, int index) Line 288 C#  Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Automation.Peers.GridViewRowAutomationPeer.FindDataItemAutomationPeer(System.Collections.Generic.List<System.Windows.Automation.Peers.AutomationPeer> childPeers) Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Automation.Peers.GridViewRowAutomationPeer.GetChildrenCore()

.

To work this around use the "class" modifier instead of "record". For example, instead of:

public record class MyClass(int Id)
{
}

Use:

public class MyClass
{
    public int Id { get; set; } 
}

 Or alternatively, increase the MaxCachedPeersSize value.

 

Completed
Last Updated: 07 Jul 2025 07:29 by ADMIN
Release 2025.2.707
ComboBox: ArgumentOutOfRangeException on ItemsSource reset when AllowMultipleSelection is True
Created by: Martin Ivanov
Comments: 0
Category: ComboBox
Type: Bug Report
0
ComboBox: ArgumentOutOfRangeException on ItemsSource reset when AllowMultipleSelection is True

ArgumentOutOfRangeException occurs when the ItemsSource of RadComboBox gets reset. To recreate this the IsSelected property of RadComboBoxItem should be bound too and multiple selection should be allowed.

To work this around, you can disable the autiomation peers globally:

AutomationManager.AutomationMode = AutomationMode.Disabled;

Or you disable them only for the RadComboBox:

public class CustomComboBox : RadComboBox
{
    protected override AutomationPeer OnCreateAutomationPeer()
    {
        return null;
    }
}

The stacktrace:

System.ArgumentOutOfRangeException: 'Index was out of range. Must be non-negative and less than the size of the collection. (Parameter 'index')'
  System.Private.CoreLib.dll!System.ThrowHelper.ThrowArgumentOutOfRange_IndexMustBeLessException() Unknown
  System.Private.CoreLib.dll!System.Collections.Generic.List<System.__Canon>.this[int].get(int index) Unknown  Telerik.Windows.Controls.Input.dll!Telerik.Windows.Automation.Peers.RadComboBoxAutomationPeer.RaiseSelectionEvents(System.Windows.Controls.SelectionChangedEventArgs e) Line 202 C#  Telerik.Windows.Controls.Input.dll!Telerik.Windows.Controls.RadComboBox.OnSelectionChanged(System.Windows.Controls.SelectionChangedEventArgs e) Line 1927 C#
  PresentationFramework.dll!System.Windows.Controls.Primitives.Selector.SetSelectedHelper(object item, System.Windows.FrameworkElement UI, bool selected) Unknown
  PresentationFramework.dll!System.Windows.Controls.Primitives.Selector.NotifyIsSelectedChanged(System.Windows.FrameworkElement container, bool selected, System.Windows.RoutedEventArgs e) Unknown
  PresentationCore.dll!System.Windows.EventRoute.InvokeHandlersImpl(object source, System.Windows.RoutedEventArgs args, bool reRaised) Unknown
  PresentationCore.dll!System.Windows.UIElement.RaiseEventImpl(System.Windows.DependencyObject sender, System.Windows.RoutedEventArgs args) Unknown
  Telerik.Windows.Controls.Input.dll!Telerik.Windows.Controls.RadComboBoxItem.OnSelected(System.Windows.RoutedEventArgs e) Line 59 C#
  PresentationFramework.dll!System.Windows.Controls.ListBoxItem.OnIsSelectedChanged(System.Windows.DependencyObject d, System.Windows.DependencyPropertyChangedEventArgs e) Unknown
  PresentationFramework.dll!System.Windows.FrameworkElement.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs e) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.NotifyPropertyChange(System.Windows.DependencyPropertyChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex entryIndex, System.Windows.DependencyProperty dp, System.Windows.PropertyMetadata metadata, System.Windows.EffectiveValueEntry oldEntry, ref System.Windows.EffectiveValueEntry newEntry, bool coerceWithDeferredReference, bool coerceWithCurrentValue, System.Windows.OperationType operationType) Unknown
  PresentationFramework.dll!System.Windows.StyleHelper.ApplyStyleOrTemplateValue(MS.Internal.FrameworkObject fo, System.Windows.DependencyProperty dp) Unknown
  PresentationFramework.dll!System.Windows.StyleHelper.InvalidateContainerDependents(System.Windows.DependencyObject container, ref MS.Utility.FrugalStructList<System.Windows.ContainerDependent> exclusionContainerDependents, ref MS.Utility.FrugalStructList<System.Windows.ContainerDependent> oldContainerDependents, ref MS.Utility.FrugalStructList<System.Windows.ContainerDependent> newContainerDependents) Unknown
  PresentationFramework.dll!System.Windows.StyleHelper.DoStyleInvalidations(System.Windows.FrameworkElement fe, System.Windows.FrameworkContentElement fce, System.Windows.Style oldStyle, System.Windows.Style newStyle) Unknown
  PresentationFramework.dll!System.Windows.StyleHelper.UpdateStyleCache(System.Windows.FrameworkElement fe, System.Windows.FrameworkContentElement fce, System.Windows.Style oldStyle, System.Windows.Style newStyle, ref System.Windows.Style styleCache) Unknown
  PresentationFramework.dll!System.Windows.FrameworkElement.OnStyleChanged(System.Windows.DependencyObject d, System.Windows.DependencyPropertyChangedEventArgs e) Unknown
  PresentationFramework.dll!System.Windows.FrameworkElement.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs e) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.NotifyPropertyChange(System.Windows.DependencyPropertyChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex entryIndex, System.Windows.DependencyProperty dp, System.Windows.PropertyMetadata metadata, System.Windows.EffectiveValueEntry oldEntry, ref System.Windows.EffectiveValueEntry newEntry, bool coerceWithDeferredReference, bool coerceWithCurrentValue, System.Windows.OperationType operationType) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.InvalidateProperty(System.Windows.DependencyProperty dp, bool preserveCurrentValue) Unknown
  PresentationFramework.dll!System.Windows.FrameworkElement.UpdateStyleProperty() Unknown
  PresentationFramework.dll!System.Windows.FrameworkElement.OnInitialized(System.EventArgs e) Unknown
  Telerik.Windows.Controls.Input.dll!Telerik.Windows.Controls.RadComboBoxItem.OnInitialized(System.EventArgs e) Line 106 C#
  PresentationFramework.dll!System.Windows.FrameworkElement.OnVisualParentChanged(System.Windows.DependencyObject oldParent) Unknown
  PresentationFramework.dll!System.Windows.Controls.ListBoxItem.OnVisualParentChanged(System.Windows.DependencyObject oldParent) Unknown
  PresentationCore.dll!System.Windows.Media.Visual.FireOnVisualParentChanged(System.Windows.DependencyObject oldParent) Unknown
  PresentationCore.dll!System.Windows.Media.Visual.AddVisualChild(System.Windows.Media.Visual child) Unknown
  PresentationCore.dll!System.Windows.Media.VisualCollection.Add(System.Windows.Media.Visual visual) Unknown
  PresentationFramework.dll!System.Windows.Controls.UIElementCollection.AddInternal(System.Windows.UIElement element) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.GenerateChildren() Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.OnItemsChangedInternal(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.OnItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemContainerGenerator.OnRefresh() Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemContainerGenerator.OnCollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.ListenerList<System.Collections.Specialized.NotifyCollectionChangedEventArgs>.DeliverEvent(object sender, System.EventArgs e, System.Type managerType) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.DeliverEvent(object sender, System.EventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.ListenerList<System.Collections.Specialized.NotifyCollectionChangedEventArgs>.DeliverEvent(object sender, System.EventArgs e, System.Type managerType) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.DeliverEvent(object sender, System.EventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.ListCollectionView.RefreshOverride() Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.RefreshInternal() Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.DeferHelper.Dispose() Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemCollection.SetCollectionView(System.Windows.Data.CollectionView view) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemsControl.OnItemsSourceChanged(System.Windows.DependencyObject d, System.Windows.DependencyPropertyChangedEventArgs e) Unknown
  PresentationFramework.dll!System.Windows.FrameworkElement.OnPropertyChanged(System.Windows.DependencyPropertyChangedEventArgs e) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.NotifyPropertyChange(System.Windows.DependencyPropertyChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.UpdateEffectiveValue(System.Windows.EntryIndex entryIndex, System.Windows.DependencyProperty dp, System.Windows.PropertyMetadata metadata, System.Windows.EffectiveValueEntry oldEntry, ref System.Windows.EffectiveValueEntry newEntry, bool coerceWithDeferredReference, bool coerceWithCurrentValue, System.Windows.OperationType operationType) Unknown
  WindowsBase.dll!System.Windows.DependencyObject.InvalidateProperty(System.Windows.DependencyProperty dp, bool preserveCurrentValue) Unknown
  PresentationFramework.dll!System.Windows.Data.BindingExpression.TransferValue(object newValue, bool isASubPropertyChange) Unknown
  PresentationFramework.dll!MS.Internal.Data.PropertyPathWorker.UpdateSourceValueState(int k, System.ComponentModel.ICollectionView collectionView, object newValue, bool isASubPropertyChange) Unknown
  PresentationFramework.dll!MS.Internal.Data.ClrBindingWorker.OnSourcePropertyChanged(object o, string propName) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.ListenerList<System.ComponentModel.PropertyChangedEventArgs>.DeliverEvent(object sender, System.EventArgs e, System.Type managerType) Unknown
  WindowsBase.dll!System.ComponentModel.PropertyChangedEventManager.OnPropertyChanged(object sender, System.ComponentModel.PropertyChangedEventArgs args) Unknown
  Telerik.Windows.Controls.dll!Telerik.Windows.Controls.ViewModelBase.OnPropertyChanged(string propertyName) Unknown
> WpfApp180.dll!WpfApp180.MainViewModel.ResetData() Line 44 C#

Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
TreeListView: DataFormatString property of the columns is not applied on child rows
Created by: Stenly
Comments: 2
Category: TreeListView
Type: Bug Report
4
TreeListView: DataFormatString property of the columns is not applied on child rows

Currently, the DataFormatString property of the columns is applied only to the top-level rows and not to the child ones.

To work this around, create a new DataTemplate for the CellTemplate property of the column and set the StringFormat property of the Binding instance for the element that will be used to display the cell's value in view mode.

<telerik:GridViewDataColumn.CellTemplate>
    <DataTemplate>
        <TextBlock Text="{Binding MyPropertyValue, StringFormat=N2}"/>
    </DataTemplate>
</telerik:GridViewDataColumn.CellTemplate>

 

Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
RichTextBox: Text locked or not visible after spacebar in Japanese
Created by: Adam
Comments: 1
Category: RichTextBox
Type: Bug Report
2
RichTextBox: Text locked or not visible after spacebar in Japanese

The operating system region and language needs to be set to Japanese.

RichTextBox seems to have several issues with Japanese, but being locked from visibility or edit is the biggest one.

To recreate, start typing in Japanese, push the "right" arrow after selecting the IME option desired, then hit "spacebar." This seems to duplicate the text, then when trying to continue to type into the text field the text is no longer visible (yet the IME does display).

The native WPF RichTextBox has no issues (and also supports partial selection, etc.).

I've attached a video to show the behavior with 2025 Q1 telerik.

*note:* This is on a machine with NVIDIA graphics. I mention this as there may be some issues with RichTextBox and the hardware... When I'm in a virtual machine with a completely Japanese environment and virtual graphics driver, there is NO text visible at all when trying to type into the RichTextBox. Works fine with other controls and wpf RichTextBox.

Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
Buttons: A System.FormatException is raised when using the RadDropDownButton element with DropDownPlacement="Top" and Windows 11 theme is applied with the culture being set to "ar-EG"
Created by: Stenly
Comments: 0
Category: Buttons
Type: Bug Report
1
Buttons: A System.FormatException is raised when using the RadDropDownButton element with DropDownPlacement="Top" and Windows 11 theme is applied with the culture being set to "ar-EG"
When the DropDownPlacement property of the RadDropDownButton element is set to Top and the Windows 11 theme is used, a Setter in the default ControlTemplate tries to set the VerticalOffset of the drop-down Popup element. This is done via a converter (of the type of MultiplyValueConverter), to which a "-1" is passed as a ConverterParameter. In the Convert method of the converter, the native System.Convert.ToDouble method tries to convert the ConverterParameter to the type of double. Internally, the Convert.ToDouble method uses the current culture when converting a string to a double.

This is observed when using a different culture, for example, "ar-EG".
Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
VirtualKeyboard: NullReferenceException when the Loaded event is invoked and the control is not added to the visual tree yet
Created by: Martin Ivanov
Comments: 0
Category: VirtualKeyboard
Type: Bug Report
3
VirtualKeyboard: NullReferenceException when the Loaded event is invoked and the control is not added to the visual tree yet

NullReferenceException is thrown when the RadVirtualKeyboard control gets loaded, but it is not added to the visual tree. This skips the initialization of an internal collection which is used on Loaded, thus throwing the error.

To work this around, you can manually call the OnApplyTemplate method of RadVirtualKeyboard before it gets loaded.

virtualKeyboard.OnApplyTemplate();

Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
SyntaxEditor: Wrong tagging/coloring of multiline comments with the CSharpTagger
Created by: Martin Ivanov
Comments: 0
Category: SyntaxEditor
Type: Bug Report
0
SyntaxEditor: Wrong tagging/coloring of multiline comments with the CSharpTagger
The CSharpTagger matches the following character combination as a multiline comment start - / * (slash and a start with a whitespace between). This causes wrong tags creation in scenarios where the * character is a part of a single line comment. The correct comment start and end should be /* and */.

In the following example, the beginning of the first single line comment is considered a multiline comment start, but since nothing closes it, the entire text is tagged and colored as a comment.

// ***********************************************************************
// some other content here
// some other content here
// ***********************************************************************

public class TestClass
{
}

Completed
Last Updated: 06 Mar 2025 13:28 by ADMIN
Licensing: Build errors when running an MSBuild caused by an extra IncrementalClean task invoked from a MSBuild Target of the Telerik.Licensing package
Created by: Martin Ivanov
Comments: 0
Category: UI for WPF
Type: Bug Report
3
Licensing: Build errors when running an MSBuild caused by an extra IncrementalClean task invoked from a MSBuild Target of the Telerik.Licensing package

Fixed in Telerik.Licensing NuGet package version 1.4.10. Install this (or later) version of the package to avoid the issue.

Build errors may occur in situation where you have two projects one depending on the other, and the main project installs the Telerik.Licensing nuget package. The package triggers a set of MSBuild taks and at some point an IncrementalClean is invoked, which deletes some of the files and errors occur during the build.

The error message that can occur:

 

CSC : error CS0006: Metadata file 'dll/file/path/here.dll' could not be found [project directory path here]

 

Completed
Last Updated: 07 Jul 2025 07:29 by ADMIN
Release 2025.2.707
GridView: ArgumentOutOfRangeException raised with pixelWidth < 0 in call to RenderTargetBitmap constructor when adding a group descriptor
Created by: Stephen
Comments: 3
Category: GridView
Type: Bug Report
3
GridView: ArgumentOutOfRangeException raised with pixelWidth < 0 in call to RenderTargetBitmap constructor when adding a group descriptor

The following exception is raised when adding a ColumnGroupDescriptor to the GroupDescriptors property of a RadGridView. This bug is data specific and I've only been able to duplicate it with a large data set but the issue seems like it could be addressed without the actual data, given that the code causing the issue is apparently passing a pixelWidth < 0.

System.ArgumentOutOfRangeException: 'The parameter value must be greater than zero.
Parameter name: pixelWidth'

  PresentationCore.dll!System.Windows.Media.Imaging.RenderTargetBitmap.RenderTargetBitmap(int pixelWidth, int pixelHeight, double dpiX, double dpiY, System.Windows.Media.PixelFormat pixelFormat) Unknown
  Telerik.Windows.Controls.dll!Telerik.Windows.Controls.FrameworkElementToImageConverter.ToImage(System.Windows.FrameworkElement element) Unknown
  Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Controls.GridView.GridViewGroupPanel.ConvertFrameworkElementToImage(System.Windows.FrameworkElement frameworkElement) Unknown
  Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Controls.GridView.GridViewGroupPanel.GetEffectiveContentForDescriptor(Telerik.Windows.Data.IGroupDescriptor descriptor) Unknown
  Telerik.Windows.Controls.GridView.dll!Telerik.Windows.Controls.GridView.GridViewGroupPanel.PrepareContainerForItemOverride(System.Windows.DependencyObject element, object item) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemsControl.MS.Internal.Controls.IGeneratorHost.PrepareItemContainer(System.Windows.DependencyObject container, object item) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.AddChildren(System.Windows.Controls.Primitives.GeneratorPosition pos, int itemCount) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.OnItemsChangedInternal(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Controls.Panel.OnItemsChanged(object sender, System.Windows.Controls.Primitives.ItemsChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemContainerGenerator.OnItemAdded(object item, int index, System.Collections.Specialized.NotifyCollectionChangedEventArgs collectionChangedArgs) Unknown
  PresentationFramework.dll!System.Windows.Controls.ItemContainerGenerator.OnCollectionChanged(object sender, System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.ListenerList<System.Collections.Specialized.NotifyCollectionChangedEventArgs>.DeliverEvent(object sender, System.EventArgs e, System.Type managerType) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.DeliverEvent(object sender, System.EventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.ListenerList<System.Collections.Specialized.NotifyCollectionChangedEventArgs>.DeliverEvent(object sender, System.EventArgs e, System.Type managerType) Unknown
  WindowsBase.dll!System.Windows.WeakEventManager.DeliverEvent(object sender, System.EventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.CollectionView.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.Data.ListCollectionView.ProcessCollectionChangedWithAdjustedIndex(System.Collections.Specialized.NotifyCollectionChangedEventArgs args, int adjustedOldIndex, int adjustedNewIndex) Unknown
  System.dll!System.Collections.ObjectModel.ObservableCollection<System.__Canon>.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e) Unknown
  Telerik.Windows.Data.dll!Telerik.Windows.Data.ObservableItemCollection<Telerik.Windows.Data.IGroupDescriptor>.OnCollectionChanged(System.Collections.Specialized.NotifyCollectionChangedEventArgs e) Unknown
  System.dll!System.Collections.ObjectModel.ObservableCollection<System.__Canon>.InsertItem(int index, System.__Canon item) Unknown
> Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGroupDescriptors(Telerik.Windows.Controls.GridView.GridViewDataControl grid, Sage.Wpf.Utilities.GridViewSerializationInfo serializationInfo) Line 524 C#
  Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGridInfo(Telerik.Windows.Controls.GridView.GridViewDataControl grid, System.Func<string, bool> isRenamableColumn, System.Xml.XmlReader reader, bool skipDeserializeGroups) Line 235 C#
  Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGridSettings(Telerik.Windows.Controls.GridView.GridViewDataControl grid, System.Func<string, bool> isRenamableColumn, System.IO.Stream stream, bool skipDeserializeGroups) Line 199 C#
  Sage.Platform.Core.Wpf.dll!Sage.EstDataSource.Wpf.RadGridViewSerializer.DeserializeGridSettings(Telerik.Windows.Controls.GridView.GridViewDataControl grid, System.Func<string, bool> isRenamableColumn, System.IO.Stream stream) Line 168 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.ViewModel.EstimateDB.EstimateGridViewModel.DeserializeLayoutGridInfo(Telerik.Windows.Controls.RadGridView dataGrid, System.IO.MemoryStream stream) Line 122 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.ViewModel.EstimateDB.EstimateGridViewModel.DeserializeCurrentLayoutGridInfo(Telerik.Windows.Controls.RadGridView dataGrid, System.IO.MemoryStream defaultLayoutStream) Line 257 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.View.EstimateDB.EstimateGrid.ApplyCurrentLayoutToGrid() Line 210 C#
  Sage.Estimating.DataSource.Wpf.dll!Sage.EstDataSource.Wpf.View.EstimateDB.EstimateGrid.EstimateInfoGrid_Loaded(object sender, System.Windows.RoutedEventArgs e) Line 167 C#
  PresentationCore.dll!System.Windows.EventRoute.InvokeHandlersImpl(object source, System.Windows.RoutedEventArgs args, bool reRaised) Unknown
  PresentationCore.dll!System.Windows.UIElement.RaiseEventImpl(System.Windows.DependencyObject sender, System.Windows.RoutedEventArgs args) Unknown
  PresentationFramework.dll!System.Windows.BroadcastEventHelper.BroadcastEvent(System.Windows.DependencyObject root, System.Windows.RoutedEvent routedEvent) Unknown
  PresentationFramework.dll!System.Windows.BroadcastEventHelper.BroadcastLoadedEvent(object root) Unknown
  PresentationCore.dll!MS.Internal.LoadedOrUnloadedOperation.DoWork() Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.FireLoadedPendingCallbacks() Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.FireInvokeOnRenderCallbacks() Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.RenderMessageHandlerCore(object resizedCompositionTarget) Unknown
  PresentationCore.dll!System.Windows.Media.MediaContext.RenderMessageHandler(object resizedCompositionTarget) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate callback, object args, int numArgs) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.TryCatchWhen(object source, System.Delegate callback, object args, int numArgs, System.Delegate catchHandler) Unknown
  WindowsBase.dll!System.Windows.Threading.DispatcherOperation.InvokeImpl() Unknown
  WindowsBase.dll!MS.Internal.CulturePreservingExecutionContext.CallbackWrapper(object obj) Unknown
  mscorlib.dll!System.Threading.ExecutionContext.RunInternal(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx) Unknown
  mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state, bool preserveSyncCtx) Unknown
  mscorlib.dll!System.Threading.ExecutionContext.Run(System.Threading.ExecutionContext executionContext, System.Threading.ContextCallback callback, object state) Unknown
  WindowsBase.dll!MS.Internal.CulturePreservingExecutionContext.Run(MS.Internal.CulturePreservingExecutionContext executionContext, System.Threading.ContextCallback callback, object state) Unknown
  WindowsBase.dll!System.Windows.Threading.DispatcherOperation.Invoke() Unknown
  WindowsBase.dll!System.Windows.Threading.Dispatcher.ProcessQueue() Unknown
  WindowsBase.dll!System.Windows.Threading.Dispatcher.WndProcHook(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam, ref bool handled) Unknown
  WindowsBase.dll!MS.Win32.HwndWrapper.WndProc(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam, ref bool handled) Unknown
  WindowsBase.dll!MS.Win32.HwndSubclass.DispatcherCallbackOperation(object o) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.InternalRealCall(System.Delegate callback, object args, int numArgs) Unknown
  WindowsBase.dll!System.Windows.Threading.ExceptionWrapper.TryCatchWhen(object source, System.Delegate callback, object args, int numArgs, System.Delegate catchHandler) Unknown
  WindowsBase.dll!System.Windows.Threading.Dispatcher.LegacyInvokeImpl(System.Windows.Threading.DispatcherPriority priority, System.TimeSpan timeout, System.Delegate method, object args, int numArgs) Unknown
  WindowsBase.dll!MS.Win32.HwndSubclass.SubclassWndProc(System.IntPtr hwnd, int msg, System.IntPtr wParam, System.IntPtr lParam) Unknown
  [Native to Managed Transition]
  [Managed to Native Transition]
  WindowsBase.dll!System.Windows.Threading.Dispatcher.PushFrameImpl(System.Windows.Threading.DispatcherFrame frame) Unknown
  PresentationFramework.dll!System.Windows.Application.RunDispatcher(object ignore) Unknown
  PresentationFramework.dll!System.Windows.Application.RunInternal(System.Windows.Window window) Unknown
  Sage.EstManagementConsole.exe!Sage.EstManagementConsole.EstimatingManagementConsoleApp.Main() Unknown

Completed
Last Updated: 21 May 2025 07:52 by ADMIN
Release 2025.2.521 (2025 Q2)
RadRichTextBox: Exception when one parses styles that contain specific (German) characters
Created by: Daniel
Comments: 2
Category: RichTextBox
Type: Bug Report
1
RadRichTextBox: Exception when one parses styles that contain specific (German) characters
RadRichTextBox: Exception when one parses styles that contain specific (German) characters.
1 2 3 4 5 6
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