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Jonathan Miller
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Jonathan Miller asked on 20 Nov 2008, 09:00 PM
Is there a way I can modify the colors on the simple theme?

(using the grid) When an item is highlighted, I want the text color to be white instead of black.  Thanks

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Rosi
Telerik team
answered on 21 Nov 2008, 05:05 PM
Hello Jonathan,

If you want the Style of a GridViewRow to change in response to property changes I suggest you define Triggers for the Style change.

The following code illustrates how you can change the TextBlock.ForeGround property of the GridViewRow when it is selected or hovered:

 <Window.Resources> 
        <Style TargetType="{x:Type telerik:GridViewRow}">  
            <Setter Property="TextBlock.Foreground" Value="Red" /> 
            <Style.Triggers> 
                <Trigger Property="IsMouseOver" Value="True"><!--this will change the style when the row is hovered--> 
                    <Setter Property="TextBlock.Foreground" Value="Blue" /> 
                </Trigger> 
                <Trigger Property="IsSelected" Value="True"><!--this will change the style when the row is selected--> 
                    <Setter Property="TextBlock.Foreground" Value="Green" /> 
                </Trigger> 
            </Style.Triggers> 
        </Style> 
    </Window.Resources> 

Regards,
Rosi
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Jonathan Miller
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answered on 24 Nov 2008, 04:12 PM
Thank you for the assist.  The triggers work great with a small exception - my data is in a hierarchy.  The parent rows aren't changing colors, only the children.  Any ideas?
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Nedyalko Nikolov
Telerik team
answered on 26 Nov 2008, 12:22 PM
Hello Jonathan Miller,

Thanks for the feedback. The issue you reported is actually a bug in our theme, so I updated your Telerik points.

I've fix templates for the GridViewExpandableRow and HierarchyChildPresenter controls in order to take care about the foreground of the parent object.


<ControlTemplate x:Key="GridViewExpandableRowTableTemplate" TargetType="{x:Type telerik:GridViewExpandableRow}"
        <Border Margin="0" Background="{TemplateBinding Background}" HorizontalAlignment="Left" Width="{Binding Path=VisibleColumnsWidth, Mode=OneWay, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type grid:GridViewItemsControl}}}"
            <Border Name="SelectionBackground" Margin="0" Opacity="1" BorderThickness="0,1,0,1" VerticalAlignment="Top" BorderBrush="#0000BBFF"
                <Border.Background> 
                    <LinearGradientBrush EndPoint="0.5,0" StartPoint="0.5,1"
                        <GradientStop Color="#0000308F" Offset="0"/> 
                        <GradientStop Color="#00000000" Offset="1"/> 
                        <GradientStop Color="#00000510" Offset="0.501"/> 
                        <GradientStop Color="#00006290" Offset="0.504"/> 
                    </LinearGradientBrush> 
                </Border.Background> 
                <Grid> 
                    <Grid.ColumnDefinitions> 
                        <ColumnDefinition Width="Auto"/> 
                        <ColumnDefinition/> 
                    </Grid.ColumnDefinitions> 
                    <telerik:NavigationPresenter x:Name="PART_NavigationPresenter" Grid.Column="0" /> 
 
                    <telerik:HierarchyChildPresenter x:Name="PART_HierarchyChildPresenter" Grid.Column="1" Foreground="{TemplateBinding Foreground}" /> 
                </Grid> 
            </Border> 
        </Border> 
 
        <ControlTemplate.Triggers> 
 
            <Trigger Property="IsSelected" Value="True"
                <Setter Property="Background" TargetName="SelectionBackground" Value="{DynamicResource {x:Static SystemColors.HighlightBrushKey}}"/> 
            </Trigger> 
        </ControlTemplate.Triggers> 
    </ControlTemplate> 
 
<ControlTemplate x:Key="HierarchyChildPresenterTableTemplate" TargetType="{x:Type telerik:HierarchyChildPresenter}"
        <grid:HorizontalScrollPanel Grid.Row="1" x:Name="PART_PartialScrollContainer" > 
            <Expander x:Name="PART_Expander" IsExpanded="{Binding Path=IsExpanded, RelativeSource={RelativeSource FindAncestor, AncestorType={x:Type telerik:GridViewExpandableRow}}}" Background="Transparent" Style="{StaticResource GridViewExpandableRowExpanderStyle}"  > 
                <Expander.Header> 
                    <Grid Name="PART_RowGrid" TextBlock.Foreground="{TemplateBinding Foreground}"
                        <Grid.RowDefinitions> 
                            <RowDefinition Height="Auto" MinHeight="22" /> 
                        </Grid.RowDefinitions> 
                    </Grid> 
                </Expander.Header> 
            </Expander> 
        </grid:HorizontalScrollPanel> 
    </ControlTemplate> 

You can use this modified templates to achieve your goals. Or you can use modified version of the Telerik.Windows.Controls.Simple.dll which I'm attaching as part of a sample project.

If you have any further questions, please let me know.

Sincerely yours,
Nedyalko Nikolov
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Jonathan Miller
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Rosi
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Jonathan Miller
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Nedyalko Nikolov
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