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    <p>I think you're gonna have to re-template the DataGridColumnHeader and add it from there. Here's an example. You're gonna have to add a reference to PresentationFramework.Aero</p> <pre><code>xmlns:Themes="clr-namespace:Microsoft.Windows.Themes;assembly=PresentationFramework.Aero" &lt;DataGrid ...&gt; &lt;DataGrid.Resources&gt; &lt;Style x:Key="ColumnHeaderGripperStyle" TargetType="{x:Type Thumb}"&gt; &lt;Setter Property="Width" Value="8"/&gt; &lt;Setter Property="Background" Value="Transparent"/&gt; &lt;Setter Property="Cursor" Value="SizeWE"/&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type Thumb}"&gt; &lt;Border Background="{TemplateBinding Background}" Padding="{TemplateBinding Padding}"/&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;Style TargetType="{x:Type DataGridColumnHeader}"&gt; &lt;Setter Property="Background" Value="Blue"/&gt; &lt;Setter Property="BorderBrush" Value="Red"/&gt; &lt;Setter Property="BorderThickness" Value="1,1,1,1"/&gt; &lt;Setter Property="Template"&gt; &lt;Setter.Value&gt; &lt;ControlTemplate TargetType="{x:Type DataGridColumnHeader}"&gt; &lt;Grid&gt; &lt;Themes:DataGridHeaderBorder BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" IsClickable="{TemplateBinding CanUserSort}" IsPressed="{TemplateBinding IsPressed}" IsHovered="{TemplateBinding IsMouseOver}" Padding="{TemplateBinding Padding}" SortDirection="{TemplateBinding SortDirection}" SeparatorBrush="{TemplateBinding SeparatorBrush}" SeparatorVisibility="{TemplateBinding SeparatorVisibility}"&gt; &lt;Grid&gt; &lt;Grid.ColumnDefinitions&gt; &lt;ColumnDefinition Width="Auto"/&gt; &lt;ColumnDefinition Width="*"/&gt; &lt;/Grid.ColumnDefinitions&gt; &lt;ContentPresenter Grid.Column="0" HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="{TemplateBinding VerticalContentAlignment}"/&gt; &lt;Path x:Name="SortArrow" Grid.Column="1" HorizontalAlignment="Right" VerticalAlignment="Center" Width="8" Height="6" Margin="2,0,5,0" Stretch="Fill" Opacity="0.5" Fill="White" RenderTransformOrigin="0.5,0.4" Visibility="Collapsed" Data="M0,0 L1,0 0.5,1 z" /&gt; &lt;/Grid&gt; &lt;/Themes:DataGridHeaderBorder&gt; &lt;Thumb x:Name="PART_LeftHeaderGripper" HorizontalAlignment="Left" Style="{StaticResource ColumnHeaderGripperStyle}"/&gt; &lt;Thumb x:Name="PART_RightHeaderGripper" HorizontalAlignment="Right" Style="{StaticResource ColumnHeaderGripperStyle}"/&gt; &lt;/Grid&gt; &lt;ControlTemplate.Triggers&gt; &lt;Trigger Property="SortDirection" Value="Ascending"&gt; &lt;Setter TargetName="SortArrow" Property="Visibility" Value="Visible" /&gt; &lt;Setter TargetName="SortArrow" Property="RenderTransform"&gt; &lt;Setter.Value&gt; &lt;RotateTransform Angle="180" /&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Trigger&gt; &lt;Trigger Property="SortDirection" Value="Descending"&gt; &lt;Setter TargetName="SortArrow" Property="Visibility" Value="Visible" /&gt; &lt;/Trigger&gt; &lt;/ControlTemplate.Triggers&gt; &lt;/ControlTemplate&gt; &lt;/Setter.Value&gt; &lt;/Setter&gt; &lt;/Style&gt; &lt;/DataGrid.Resources&gt; &lt;/DataGrid&gt; </code></pre>
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    1. POHow to add back the sort arrow after applying background of Column headers
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    1. USFredrik Hedblad
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    1. COwhy it is so complex? is there simple way?
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    2. CO@user496949: I'm afraid so. The sorting-arrows belongs in the Template (along with the header etc.), so to get them back we'll have to re-template the whole thing. I've never seen a way around this anyway.
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    3. COYes this is the only way to do it.
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