主要是针对DataGridCellsPresenter而不是SelectiveScrollingGrid,使用时DataGridRow应用这个style就可以了。
<Style x:Key="grdStudyListDataGridRowStyle" TargetType="{x:Type DataGridRow}">
<Setter Property="SnapsToDevicePixels" Value="true"/>
<Setter Property="Validation.ErrorTemplate" Value="{x:Null}"/>
<Setter Property="ValidationErrorTemplate">
<Setter.Value>
<ControlTemplate>
<TextBlock Foreground="Red" Margin="2,0,0,0" Text="!" VerticalAlignment="Center"/>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type DataGridRow}">
<Grid x:Name="DGR_Border" Background="{TemplateBinding Background}" SnapsToDevicePixels="True" Width="Auto">
<SelectiveScrollingGrid x:Name="selectiveScrollingGrid" d:LayoutOverrides="Width">
<SelectiveScrollingGrid.ColumnDefinitions>
<ColumnDefinition Width="Auto"/>
<ColumnDefinition Width="*"/>
</SelectiveScrollingGrid.ColumnDefinitions>
<SelectiveScrollingGrid.RowDefinitions>
<RowDefinition Height="*"/>
<RowDefinition Height="Auto"/>
</SelectiveScrollingGrid.RowDefinitions>
<Border x:Name="bdCell" Grid.Column="1" HorizontalAlignment="Left">
<DataGridCellsPresenter ItemsPanel="{TemplateBinding ItemsPanel}" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalContentAlignment="Center" HorizontalContentAlignment="Center"/>
</Border>
<DataGridDetailsPresenter Grid.Column="1" Grid.Row="1" SelectiveScrollingGrid.SelectiveScrollingOrientation="{Binding AreRowDetailsFrozen, ConverterParameter={x:Static SelectiveScrollingOrientation.Vertical}, Converter={x:Static DataGrid.RowDetailsScrollingConverter}, RelativeSource={RelativeSource AncestorType={x:Type DataGrid}}}" Visibility="{TemplateBinding DetailsVisibility}"/>
<DataGridRowHeader Grid.RowSpan="2" SelectiveScrollingGrid.SelectiveScrollingOrientation="Vertical" Visibility="Collapsed"/>
</SelectiveScrollingGrid>
</Grid>
<ControlTemplate.Triggers>
<DataTrigger Binding="{Binding IsSelected, RelativeSource={RelativeSource Self}}" Value="True">
<Setter Property="Background" TargetName="bdCell" Value="{DynamicResource Brush_PA_CSW_DataGridItemDefaultHighlight}"/>
</DataTrigger>
<MultiDataTrigger>
<MultiDataTrigger.Conditions>
<Condition Binding="{Binding (FrameworkElement.DataContext).CurrentDeletingLevel, RelativeSource={RelativeSource AncestorType={x:Type UserControl}}}" Value="Study"/>
<Condition Binding="{Binding IsSelected, RelativeSource={RelativeSource Self}}" Value="True" />
</MultiDataTrigger.Conditions>
<Setter Property="Background" TargetName="bdCell" Value="{DynamicResource Brush_PA_CSW_DataGridItemHighlight}"/>
</MultiDataTrigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
<Setter Property="Background" Value="Transparent"/>
</Style>