<TabControl TabStripPlacement="Left">
...
</TabControl>
然后您将图标放入TabItems的Header属性中,将UserControls放入Content属性中。这样可以完成一半的工作。如果您想要完全相同的外观,则需要通过复制当前模板(使用Blend或ShowMeTheTemplate来复制当前模板)并根据需要进行修改来重新设计TabControl和TabItem。但只是更改这些属性就足以让您测试TabControl是否可以消除焦点问题。
编辑:这里有一个示例模板,非常接近您的屏幕截图
<Style TargetType="{x:Type TabItem}">
<Setter Property="Background" Value="Transparent" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabItem}">
<Border x:Name="PART_Border" Background="{TemplateBinding Background}" BorderThickness="1" BorderBrush="LightGray" Margin="2">
<ContentPresenter ContentSource="Header" Margin="2" />
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsSelected" Value="True">
<Setter TargetName="PART_Border" Property="BorderBrush" Value="Black" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
<Style TargetType="{x:Type TabControl}">
<Setter Property="TabStripPlacement" Value="Left" />
<Setter Property="Margin" Value="2" />
<Setter Property="Padding" Value="2" />
<Setter Property="Background" Value="White" />
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type TabControl}">
<Grid ClipToBounds="True" SnapsToDevicePixels="True" KeyboardNavigation.TabNavigation="Local">
<Grid.ColumnDefinitions>
<ColumnDefinition Name="ColumnDefinition0" />
<ColumnDefinition Width="0" Name="ColumnDefinition1" />
</Grid.ColumnDefinitions>
<Grid.RowDefinitions>
<RowDefinition Height="Auto" Name="RowDefinition0" />
<RowDefinition Height="*" Name="RowDefinition1" />
</Grid.RowDefinitions>
<Border x:Name="HeaderBorder"
BorderBrush="Black"
BorderThickness="1"
CornerRadius="5"
Background="#FAFAFA"
Margin="0,0,0,5">
<TabPanel IsItemsHost="True"
Name="HeaderPanel"
Panel.ZIndex="1"
KeyboardNavigation.TabIndex="1"
Grid.Column="0"
Grid.Row="0"
/>
</Border>
<Grid Name="ContentPanel"
KeyboardNavigation.TabIndex="2"
KeyboardNavigation.TabNavigation="Local"
KeyboardNavigation.DirectionalNavigation="Contained"
Grid.Column="0"
Grid.Row="1">
<Border Background="{TemplateBinding Background}"
BorderBrush="{TemplateBinding BorderBrush}"
BorderThickness="{TemplateBinding BorderThickness}"
CornerRadius="5">
<ContentPresenter Content="{TemplateBinding SelectedContent}"
ContentTemplate="{TemplateBinding SelectedContentTemplate}"
ContentStringFormat="{TemplateBinding SelectedContentStringFormat}"
ContentSource="SelectedContent"
Name="PART_SelectedContentHost"
Margin="2"
SnapsToDevicePixels="{TemplateBinding UIElement.SnapsToDevicePixels}"
/>
</Border>
</Grid>
</Grid>
<ControlTemplate.Triggers>
<Trigger Property="TabControl.TabStripPlacement" Value="Bottom">
<Setter TargetName="HeaderPanel" Property="Grid.Row" Value="1" />
<Setter TargetName="ContentPanel" Property="Grid.Row" Value="0" />
<Setter TargetName="RowDefinition0" Property="RowDefinition.Height" Value="*" />
<Setter TargetName="RowDefinition1" Property="RowDefinition.Height" Value="Auto" />
<Setter TargetName="HeaderBorder" Property="FrameworkElement.Margin" Value="0,5,0,0" />
</Trigger>
<Trigger Property="TabControl.TabStripPlacement" Value="Left">
<Setter TargetName="HeaderPanel" Property="Grid.Row" Value="0" />
<Setter TargetName="ContentPanel" Property="Grid.Row" Value="0" />
<Setter TargetName="HeaderPanel" Property="Grid.Column" Value="0" />
<Setter TargetName="ContentPanel" Property="Grid.Column" Value="1" />
<Setter TargetName="ColumnDefinition0" Property="ColumnDefinition.Width" Value="Auto" />
<Setter TargetName="ColumnDefinition1" Property="ColumnDefinition.Width" Value="*" />
<Setter TargetName="RowDefinition0" Property="RowDefinition.Height" Value="*" />
<Setter TargetName="RowDefinition1" Property="RowDefinition.Height" Value="0" />
<Setter TargetName="HeaderBorder" Property="FrameworkElement.Margin" Value="0,0,5,0" />
</Trigger>
<Trigger Property="TabControl.TabStripPlacement" Value="Right">
<Setter TargetName="HeaderPanel" Property="Grid.Row" Value="0" />
<Setter TargetName="ContentPanel" Property="Grid.Row" Value="0" />
<Setter TargetName="HeaderPanel" Property="Grid.Column" Value="1" />
<Setter TargetName="ContentPanel" Property="Grid.Column" Value="0" />
<Setter TargetName="ColumnDefinition0" Property="ColumnDefinition.Width" Value="*" />
<Setter TargetName="ColumnDefinition1" Property="ColumnDefinition.Width" Value="Auto" />
<Setter TargetName="RowDefinition0" Property="RowDefinition.Height" Value="*" />
<Setter TargetName="RowDefinition1" Property="RowDefinition.Height" Value="0" />
<Setter TargetName="HeaderBorder" Property="FrameworkElement.Margin" Value="5,0,0,0" />
</Trigger>
<Trigger Property="UIElement.IsEnabled" Value="False">
<Setter Property="TextElement.Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}" />
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
这基本上是普通的TabControl的副本,只是添加和删除了一些边框。希望能够帮助到您。