I am just placing this control on my WPF page, following all instructions and demos from telerik website and I am stuck with "Ambiguous match found " - that does not make any sense to me. Does anyone have any ideas how to solve this problem? Thanks.
Find below my WPF code:
<my1:HtmlDataProvider x:Name="HtmlProvider" RichTextBox="{Binding ElementName=txtRichBody}" Html="{Binding Body, Mode=TwoWay}" />
<telerik:RadRichTextBoxRibbonUI Name="txtRichBodyBar" ApplicationName="Body" DataContext="{Binding Path=Body, ElementName=txtRichBody}" Height="125" Margin="316,0,494,0">
<telerik:RadRichTextBoxRibbonUI.Resources>
<telerik:FontFamiliesProvider x:Key="FontFamiliesProvider" />
</telerik:RadRichTextBoxRibbonUI.Resources>
<telerikRibbonBar:RadRibbonTab Header="Home">
<telerikRibbonBar:RadRibbonGroup DialogLauncherVisibility="Visible" Header="Font" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ShowFontPropertiesDialogCommand}">
<telerikRibbonBar:RadRibbonGroup.Variants>
<telerikRibbonBar:GroupVariant Priority="2" Variant="Medium" />
<telerikRibbonBar:GroupVariant Priority="4" Variant="Small" />
<telerikRibbonBar:GroupVariant Priority="5" Variant="Collapsed" />
</telerikRibbonBar:RadRibbonGroup.Variants>
<telerik:RadOrderedWrapPanel>
<StackPanel Orientation="Horizontal">
<telerikRibbonBar:RadRibbonComboBox CanAutocompleteSelectItems="False" CanKeyboardNavigationSelectItems="False" CommandParameter="{Binding RelativeSource={RelativeSource Self}, Path=SelectedValue}" Height="21" IsReadOnly="True" ItemsSource="{Binding Source={StaticResource FontFamiliesProvider}, Path=RegisteredFonts}" OpenDropDownOnFocus="True" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeFontFamilyCommand}" Width="132" />
<telerikRibbonBar:RadRibbonComboBox CanAutocompleteSelectItems="False" CanKeyboardNavigationSelectItems="False" CommandParameter="{Binding RelativeSource={RelativeSource Self}, Path=SelectedItem.Tag}" Height="21" IsEditable="True" IsReadOnly="True" IsTextSearchEnabled="False" OpenDropDownOnFocus="True" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeFontSizeCommand}" Width="45">
<telerikRibbonBar:RadRibbonComboBoxItem Content="8" Tag="10.67" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="9" Tag="12" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="10" Tag="13.33" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="11" Tag="14.67" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="12" Tag="16" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="14" Tag="18.67" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="16" Tag="21.33" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="18" Tag="24" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="20" Tag="26.67" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="22" Tag="29.33" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="24" Tag="32" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="26" Tag="34.67" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="28" Tag="37.33" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="36" Tag="48" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="48" Tag="64" />
<telerikRibbonBar:RadRibbonComboBoxItem Content="72" Tag="96" />
</telerikRibbonBar:RadRibbonComboBox>
</StackPanel>
<telerik:RadButtonGroup>
<telerikRibbonBar:RadRibbonButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=IncrementFontSizeCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/font-increasesize.png" />
<telerikRibbonBar:RadRibbonButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=DecrementFontSizeCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/font-decreasesize.png" />
</telerik:RadButtonGroup>
<telerik:RadButtonGroup>
<telerikRibbonBar:RadRibbonButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ClearFormattingCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/ClearFormatting16.png" />
</telerik:RadButtonGroup>
<telerik:RadButtonGroup>
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleBoldCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/bold.png" />
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleItalicCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/italic.png" />
<telerikRibbonBar:RadRibbonSplitButton IsToggle="True" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleUnderlineCommand}" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/underline.png">
<telerikRibbonBar:RadRibbonSplitButton.DropDownContent>
<telerik:RadGallery ItemHeight="26" ItemWidth="156" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeUnderlineDecorationCommand}" ViewportHeight="210" ViewportWidth="157">
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline1.png" Tag="Line" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline2.png" Tag="DoubleLine" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline3.png" Tag="ThickLine" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline4.png" Tag="DottedLine" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline5.png" Tag="DashedLine" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline6.png" Tag="DotDashedLine" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline7.png" Tag="DotDotDashedLine" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/underline8.png" Tag="Wave" />
</telerik:RadGallery>
</telerikRibbonBar:RadRibbonSplitButton.DropDownContent>
</telerikRibbonBar:RadRibbonSplitButton>
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleStrikethroughCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/Strikethrough16.png" />
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleSubscriptCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/subscript.png" />
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleSuperscriptCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/superscript.png" />
</telerik:RadButtonGroup>
<telerik:RadButtonGroup>
<telerik:HighlightColorPicker AutomaticColor="Transparent" Height="22" Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/highlight.png" NoColorText="No color" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeFontHighlightColorCommand}" SelectedColor="Yellow" />
<telerik:HighlightColorPicker Height="22" Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/FontForeColor.png" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeFontForeColorCommand}" SelectedColor="Red" />
</telerik:RadButtonGroup>
</telerik:RadOrderedWrapPanel>
</telerikRibbonBar:RadRibbonGroup>
<telerikRibbonBar:RadRibbonGroup DialogLauncherVisibility="Visible" Header="Paragraph" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ShowParagraphPropertiesDialogCommand}">
<telerikRibbonBar:RadRibbonGroup.Variants>
<telerikRibbonBar:GroupVariant Priority="1" Variant="Medium" />
<telerikRibbonBar:GroupVariant Priority="3" Variant="Collapsed" />
</telerikRibbonBar:RadRibbonGroup.Variants>
<telerik:RadOrderedWrapPanel>
<telerik:RadButtonGroup>
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleBulletsCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/list-bullets.png" />
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleNumberedCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/list-numbered.png" />
<telerikRibbonBar:RadRibbonDropDownButton Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/MultilevelList.png">
<telerikRibbonBar:RadRibbonDropDownButton.DropDownContent>
<StackPanel>
<telerik:RadGroupHeader Content="List Library" />
<telerik:RadGallery ItemHeight="88" ItemWidth="88" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeListStyleCommand}" ViewportHeight="176" ViewportWidth="266">
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/MultilevelListNone.png" Tag="None" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/MultilevelListBulleted.png" Tag="Bulleted" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/MultilevelListNumbered.png" Tag="Numbered" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/MultilevelListNumberedParenthesis.png" Tag="NumberedParenthesis" />
<telerik:RadGalleryItem Image="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/MultilevelListNumberedHierarchical.png" Tag="NumberedHierarchical" />
</telerik:RadGallery>
</StackPanel>
</telerikRibbonBar:RadRibbonDropDownButton.DropDownContent>
</telerikRibbonBar:RadRibbonDropDownButton>
</telerik:RadButtonGroup>
<telerik:RadButtonGroup>
<telerikRibbonBar:RadRibbonToggleButton telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ToggleFormattingSymbolsCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/formatting-symbols.png" />
</telerik:RadButtonGroup>
<telerik:RadButtonGroup>
<telerikRibbonBar:RadRibbonToggleButton CommandParameter="Left" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeTextAlignmentCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/alignleft.png" Text="Align Left" />
<telerikRibbonBar:RadRibbonToggleButton CommandParameter="Center" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeTextAlignmentCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/aligncenter.png" Text="Center" />
<telerikRibbonBar:RadRibbonToggleButton CommandParameter="Right" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeTextAlignmentCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/alignright.png" Text="Align Right" />
<telerikRibbonBar:RadRibbonToggleButton CommandParameter="Justify" telerik:RadRichTextBoxRibbonUI.RichTextCommand="{Binding Path=ChangeTextAlignmentCommand}" Size="Small" SmallImage="/Telerik.Windows.Controls.RichTextBoxUI;component/Images/MSOffice/16/alignjustify.png" Text="Justify" />
</telerik:RadButtonGroup>
</telerik:RadOrderedWrapPanel>
</telerikRibbonBar:RadRibbonGroup>
<telerik:RadRibbonGroup />
</telerikRibbonBar:RadRibbonTab>
</telerik:RadRichTextBoxRibbonUI>
<telerik:RadRichTextBox
Margin="316,125,0,0"
x:Name="txtRichBody"
Width="411"
/>