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AG_E_UNKNOWN_ERROR After Upgrading from Q3.1103 to Q3.1314

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ComboBox
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Kirill Prokopenko
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Kirill Prokopenko asked on 09 Mar 2010, 11:27 PM
Hello,

I'm having a issue getting 'AG_E_UNKNOWN_ERROR' after upgrading the Telerik libs from Q3.1103 to Q3.1314.  I've tried repeated attempts at debugging but am unable to get any clearer a message than the following:

System.Windows.Markup.XamlParseException occurred
  Message="AG_E_UNKNOWN_ERROR [Line: 37 Position: 30]"
  LineNumber=37
  LinePosition=30
  StackTrace:
       at System.Windows.Application.LoadComponent(Object component, Uri resourceLocator)
       at Foo.Controls.ThemeSelector.InitializeComponent()
       at Foo.Controls.ThemeSelector..ctor()
  InnerException: 

This is the XAML it's trying to parse:

<UserControl
    x:Class="Foo.Controls.ThemeSelector"
    
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation" 
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    xmlns:telerik="clr-namespace:Telerik.Windows.Controls;assembly=Telerik.Windows.Controls.Input"
    Margin="3,0,3,0">
    
    <Grid>
        <Grid.ColumnDefinitions>
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="Auto" />
            <ColumnDefinition Width="Auto" />
        </Grid.ColumnDefinitions>
        <Grid.RowDefinitions>
            <RowDefinition Height="Auto" />
        </Grid.RowDefinitions>
        
        <TextBlock Grid.Column="0" Text="Theme" VerticalAlignment="Center" />
        <telerik:RadComboBox Grid.Column="1" x:Name="comboThemes" VerticalAlignment="Center" SelectionChanged="ComboThemes_SelectionChanged" 
                             Margin="3,0,0,0">
            <telerik:RadComboBox.ItemTemplate>
                <DataTemplate>
                    <TextBlock Text="{Binding Name}">
                        <ToolTipService.ToolTip>
                            <ToolTip BorderThickness="1" BorderBrush="DarkGray">
                                <ToolTip.Effect>
                                    <DropShadowEffect BlurRadius="20" ShadowDepth="5" />
                                </ToolTip.Effect>
                                <Image Source="{Binding Thumbnail}" />
                            </ToolTip>
                        </ToolTipService.ToolTip>
                    </TextBlock>
                </DataTemplate>
            </telerik:RadComboBox.ItemTemplate>
        </telerik:RadComboBox>
        <TextBlock x:Name="labelColorScheme" Grid.Column="2" Text="Color Scheme" VerticalAlignment="Center" Margin="3,0,0,0" Visibility="Collapsed" />
        <telerik:RadComboBox Grid.Column="3" x:Name="comboColorSchemes" VerticalAlignment="Center" SelectionChanged="ComboThemes_SelectionChanged" 
                             Margin="3,0,0,0" Visibility="Collapsed">
            <telerik:RadComboBox.ItemTemplate>
                <DataTemplate>
                    <TextBlock Text="{Binding Name}">
                        <ToolTipService.ToolTip>
                            <ToolTip BorderThickness="1" BorderBrush="DarkGray">
                                <ToolTip.Effect>
                                    <DropShadowEffect BlurRadius="20" ShadowDepth="5" />
                                </ToolTip.Effect>
                                <Image Source="{Binding Thumbnail}" />
                            </ToolTip>
                        </ToolTipService.ToolTip>
                    </TextBlock>
                </DataTemplate>
            </telerik:RadComboBox.ItemTemplate>
        </telerik:RadComboBox>

    </Grid>
</UserControl>

The position where the parse exception says it is coming from is right after closing of the first telerik:RadComboBox element.

Any help you can provide would be appreciated,

2 Answers, 1 is accepted

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Valeri Hristov
Telerik team
answered on 11 Mar 2010, 10:40 AM
Hi Ibrahim,

Do you use a custom theme/style for RadComboBox? It is possible that in the custom theme you are using a property that is now deleted, hence the error. Could you open a new support ticket and send me a simple application that could be used to observe the problem?

Kind regards,
Valeri Hristov
the Telerik team

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Kirill Prokopenko
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answered on 06 Apr 2010, 11:04 PM
Hi again!

Yes, the problem was in custom theme that was based on a Telerik theme from a previous version.

Thanks!
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Valeri Hristov
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Kirill Prokopenko
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