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WPF如何自定義TabControl控件樣式示例詳解

 更新時(shí)間：2018年04月19日 11:39:09   作者：小明GG  
這篇文章主要給大家介紹了關(guān)于WPF如何自定義TabControl控件樣式的相關(guān)資料，文中通過(guò)示例代碼介紹的非常詳細(xì)，對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值，需要的朋友們下面隨著小編來(lái)一起學(xué)習(xí)學(xué)習(xí)吧。

一、前言

程序中經(jīng)常會(huì)用到TabControl控件，默認(rèn)的控件樣式很普通。而且樣式或功能不一定符合我們的要求。比如：我們需要TabControl的標(biāo)題能夠居中、或平均分布；或者我們希望TabControl的標(biāo)題能夠進(jìn)行關(guān)閉。要實(shí)現(xiàn)這些功能我們需要對(duì)TabControl的樣式進(jìn)行定義。

二、實(shí)現(xiàn)TabControl的標(biāo)題平均分布

默認(rèn)的TabControl標(biāo)題是使用TabPanel容器包含的。要想實(shí)現(xiàn)TabControl標(biāo)題頭平均分布，需要把TabPanel替換成UniformGrid；

替換后的TabControl樣式如下：

<Style x:Key="TabControlStyle" TargetType="{x:Type TabControl}">
  <Setter Property="Padding" Value="2"/>
  <Setter Property="HorizontalContentAlignment" Value="Center"/>
  <Setter Property="VerticalContentAlignment" Value="Center"/>
  <Setter Property="Background" Value="White"/>
  <Setter Property="BorderBrush" Value="#FFACACAC"/>
  <Setter Property="BorderThickness" Value="1"/>
  <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
  <Setter Property="Template">
  <Setter.Value>
   <ControlTemplate TargetType="{x:Type TabControl}">
   <Grid x:Name="templateRoot" ClipToBounds="True" SnapsToDevicePixels="True" KeyboardNavigation.TabNavigation="Local">
    <Grid.ColumnDefinitions>
    <ColumnDefinition x:Name="ColumnDefinition0"/>
    <ColumnDefinition x:Name="ColumnDefinition1" Width="0"/>
    </Grid.ColumnDefinitions>
    <Grid.RowDefinitions>
    <RowDefinition x:Name="RowDefinition0" Height="Auto"/>
    <RowDefinition x:Name="RowDefinition1" Height="*"/>
    </Grid.RowDefinitions>
    <UniformGrid x:Name="HeaderPanel" Rows="1" Background="Transparent" Grid.Column="0" IsItemsHost="True" Margin="0" Grid.Row="0" KeyboardNavigation.TabIndex="1" Panel.ZIndex="1"/>
    <Line X1="0" X2="{Binding ActualWidth, RelativeSource={RelativeSource Self}}" Stroke="White" StrokeThickness="0.1" VerticalAlignment="Bottom" Margin="0 0 0 1" SnapsToDevicePixels="True"/>
    <Border x:Name="ContentPanel" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.Column="0" KeyboardNavigation.DirectionalNavigation="Contained" Grid.Row="1" KeyboardNavigation.TabIndex="2" KeyboardNavigation.TabNavigation="Local">
    <ContentPresenter x:Name="PART_SelectedContentHost" ContentTemplate="{TemplateBinding SelectedContentTemplate}" Content="{TemplateBinding SelectedContent}" ContentStringFormat="{TemplateBinding SelectedContentStringFormat}" ContentSource="SelectedContent" Margin="0" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
    </Border>
   </Grid>
   <ControlTemplate.Triggers>
    <Trigger Property="TabStripPlacement" Value="Bottom">
    <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="1"/>
    <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition1" Value="Auto"/>
    </Trigger>
    <Trigger Property="TabStripPlacement" Value="Left">
    <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="0"/>
    <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Grid.Column" TargetName="HeaderPanel" Value="0"/>
    <Setter Property="Grid.Column" TargetName="ContentPanel" Value="1"/>
    <Setter Property="Width" TargetName="ColumnDefinition0" Value="Auto"/>
    <Setter Property="Width" TargetName="ColumnDefinition1" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition1" Value="0"/>
    </Trigger>
    <Trigger Property="TabStripPlacement" Value="Right">
    <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="0"/>
    <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Grid.Column" TargetName="HeaderPanel" Value="1"/>
    <Setter Property="Grid.Column" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Width" TargetName="ColumnDefinition0" Value="*"/>
    <Setter Property="Width" TargetName="ColumnDefinition1" Value="Auto"/>
    <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition1" Value="0"/>
    </Trigger>
    <Trigger Property="IsEnabled" Value="False">
    <Setter Property="TextElement.Foreground" TargetName="templateRoot" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
    </Trigger>
   </ControlTemplate.Triggers>
   </ControlTemplate>
  </Setter.Value>
  </Setter>
 </Style>

即使這樣設(shè)置了，TabControl的標(biāo)題還是很丑，這個(gè)時(shí)候就需要通過(guò)設(shè)置TabItem來(lái)更改標(biāo)題樣式了。

TabItem樣式如下：

<Style x:Key="TabItemStyle" TargetType="{x:Type TabItem}">
  <Setter Property="Foreground" Value="White"/>
  <Setter Property="Background" Value="Transparent"/>
  <Setter Property="BorderBrush" Value="#FFACACAC"/>
  <Setter Property="Margin" Value="0"/>
  <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
  <Setter Property="VerticalContentAlignment" Value="Stretch"/>
  <Setter Property="Template">
  <Setter.Value>
   <ControlTemplate TargetType="{x:Type TabItem}">
   <Grid x:Name="templateRoot" SnapsToDevicePixels="True" Background="Transparent">
    <TextBlock x:Name="txt" Visibility="Visible" VerticalAlignment="Center" HorizontalAlignment="Center" Text="{TemplateBinding Header}" ToolTip="{TemplateBinding Header}" Foreground="{TemplateBinding Foreground}" TextTrimming="CharacterEllipsis" />
   </Grid>
   <ControlTemplate.Triggers>
    <MultiDataTrigger>
    <MultiDataTrigger.Conditions>
     <Condition Binding="{Binding IsMouseOver, RelativeSource={RelativeSource Self}}" Value="true"/>
     <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Top"/>
    </MultiDataTrigger.Conditions>
    
    <Setter Property="Foreground" TargetName="txt" Value="#fffea1"/>
    </MultiDataTrigger>
    <MultiDataTrigger>
    <MultiDataTrigger.Conditions>
     <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
     <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Left"/>
    </MultiDataTrigger.Conditions>
    <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
    </MultiDataTrigger>
    <MultiDataTrigger>
    <MultiDataTrigger.Conditions>
     <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
     <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Bottom"/>
    </MultiDataTrigger.Conditions>
    <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
    </MultiDataTrigger>
    <MultiDataTrigger>
    <MultiDataTrigger.Conditions>
     <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
     <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Right"/>
    </MultiDataTrigger.Conditions>
    <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
    </MultiDataTrigger>
    <MultiDataTrigger>
    <MultiDataTrigger.Conditions>
     <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
     <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Top"/>
    </MultiDataTrigger.Conditions>
    <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
    </MultiDataTrigger>

    <MultiDataTrigger>
    <MultiDataTrigger.Conditions>
     <Condition Binding="{Binding IsSelected, RelativeSource={RelativeSource Self}}" Value="true"/>
     <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Top"/>
    </MultiDataTrigger.Conditions>
    <Setter Property="Panel.ZIndex" Value="1"/>
    <Setter Property="Foreground" TargetName="txt" Value="#fffea1"/>
    </MultiDataTrigger>
   </ControlTemplate.Triggers>
   </ControlTemplate>
  </Setter.Value>
  </Setter>
 </Style>

至此，樣式已經(jīng)設(shè)置完畢，引用示例：

<Grid Background="#858586">
  <TabControl Style="{StaticResource TabControlStyle}" Width="300" Height="200" Background="Transparent" BorderBrush="Transparent" BorderThickness="0">
   <TabItem Style="{StaticResource TabItemStyle}" Cursor="Hand" Header="音樂(lè)電臺(tái)" Height="38" >
   <Grid Background="#33ffffff">
    <TextBlock Text="音樂(lè)電臺(tái)" VerticalAlignment="Center" HorizontalAlignment="Center"/>
   </Grid>
   </TabItem>
   <TabItem Style="{StaticResource TabItemStyle}" Cursor="Hand" Header="Mv電臺(tái)" Height="38" >
   <Grid Background="#33ffffff">
    <TextBlock Text="Mv電臺(tái)" VerticalAlignment="Center" HorizontalAlignment="Center"/>
   </Grid>
   </TabItem>
  </TabControl>
  </Grid>

效果如下：

三、實(shí)現(xiàn)TabControl標(biāo)題居中顯示（不平均分布）

同理需要更改TabControl的樣式和TabItem的樣式。需要把使用TabPanel作為標(biāo)題的容器，設(shè)置HorizontalAlignment為Center；

TabControl的樣式如下：

<Style x:Key="TabControlWithUnderLineStyle" TargetType="{x:Type TabControl}">
 <Setter Property="Padding" Value="2"/>
 <Setter Property="HorizontalContentAlignment" Value="Center"/>
 <Setter Property="VerticalContentAlignment" Value="Center"/>
 <Setter Property="Background" Value="White"/>
 <Setter Property="BorderBrush" Value="#FFACACAC"/>
 <Setter Property="BorderThickness" Value="1"/>
 <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
 <Setter Property="Template">
  <Setter.Value>
  <ControlTemplate TargetType="{x:Type TabControl}">
   <Grid x:Name="templateRoot" ClipToBounds="True" SnapsToDevicePixels="True" KeyboardNavigation.TabNavigation="Local">
   <Grid.ColumnDefinitions>
    <ColumnDefinition x:Name="ColumnDefinition0"/>
    <ColumnDefinition x:Name="ColumnDefinition1" Width="0"/>
   </Grid.ColumnDefinitions>
   <Grid.RowDefinitions>
    <RowDefinition x:Name="RowDefinition0" Height="Auto"/>
    <RowDefinition x:Name="RowDefinition1" Height="*"/>
   </Grid.RowDefinitions>
   <TabPanel x:Name="HeaderPanel" HorizontalAlignment="Center" Background="Transparent" Grid.Column="0" IsItemsHost="True" Margin="0" Grid.Row="0" KeyboardNavigation.TabIndex="1" Panel.ZIndex="1"/>
   <Line X1="0" X2="{Binding ActualWidth, RelativeSource={RelativeSource Self}}" Stroke="Gray" StrokeThickness="0.1" VerticalAlignment="Bottom" Margin="0 0 0 1" SnapsToDevicePixels="True"/>
   <Border x:Name="ContentPanel" BorderBrush="{TemplateBinding BorderBrush}" BorderThickness="{TemplateBinding BorderThickness}" Background="{TemplateBinding Background}" Grid.Column="0" KeyboardNavigation.DirectionalNavigation="Contained" Grid.Row="1" KeyboardNavigation.TabIndex="2" KeyboardNavigation.TabNavigation="Local">
    <ContentPresenter x:Name="PART_SelectedContentHost" ContentTemplate="{TemplateBinding SelectedContentTemplate}" Content="{TemplateBinding SelectedContent}" ContentStringFormat="{TemplateBinding SelectedContentStringFormat}" ContentSource="SelectedContent" Margin="0" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}"/>
   </Border>
   </Grid>
   <ControlTemplate.Triggers>
   <Trigger Property="TabStripPlacement" Value="Bottom">
    <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="1"/>
    <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition1" Value="Auto"/>
   </Trigger>
   <Trigger Property="TabStripPlacement" Value="Left">
    <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="0"/>
    <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Grid.Column" TargetName="HeaderPanel" Value="0"/>
    <Setter Property="Grid.Column" TargetName="ContentPanel" Value="1"/>
    <Setter Property="Width" TargetName="ColumnDefinition0" Value="Auto"/>
    <Setter Property="Width" TargetName="ColumnDefinition1" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition1" Value="0"/>
   </Trigger>
   <Trigger Property="TabStripPlacement" Value="Right">
    <Setter Property="Grid.Row" TargetName="HeaderPanel" Value="0"/>
    <Setter Property="Grid.Row" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Grid.Column" TargetName="HeaderPanel" Value="1"/>
    <Setter Property="Grid.Column" TargetName="ContentPanel" Value="0"/>
    <Setter Property="Width" TargetName="ColumnDefinition0" Value="*"/>
    <Setter Property="Width" TargetName="ColumnDefinition1" Value="Auto"/>
    <Setter Property="Height" TargetName="RowDefinition0" Value="*"/>
    <Setter Property="Height" TargetName="RowDefinition1" Value="0"/>
   </Trigger>
   <Trigger Property="IsEnabled" Value="False">
    <Setter Property="TextElement.Foreground" TargetName="templateRoot" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
   </Trigger>
   </ControlTemplate.Triggers>
  </ControlTemplate>
  </Setter.Value>
 </Setter>
 </Style>

TabItem樣式如下：

<Style x:Key="TabItemExWithUnderLineStyle" TargetType="{x:Type TabItem}">
   <Setter Property="Foreground" Value="White"/>
   <Setter Property="Background" Value="Transparent"/>
   <Setter Property="BorderBrush" Value="#FFACACAC"/>
   <Setter Property="Margin" Value="0"/>
   <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
   <Setter Property="VerticalContentAlignment" Value="Stretch"/>
   <Setter Property="Template">
    <Setter.Value>
     <ControlTemplate TargetType="{x:Type TabItem}">
      <Grid x:Name="templateRoot" SnapsToDevicePixels="True" Background="Transparent">
       <Border x:Name="_underline" BorderBrush="#37aefe" BorderThickness="0" Margin="{TemplateBinding Margin}"/>
       <Grid>
        <TextBlock x:Name="txt" Visibility="Visible" VerticalAlignment="Center" HorizontalAlignment="Center" Text="{TemplateBinding Header}" ToolTip="{TemplateBinding Header}" Foreground="{TemplateBinding Foreground}" TextTrimming="CharacterEllipsis" />
       </Grid>
      </Grid>
      <ControlTemplate.Triggers>
       <MultiDataTrigger>
        <MultiDataTrigger.Conditions>
         <Condition Binding="{Binding IsMouseOver, RelativeSource={RelativeSource Self}}" Value="true"/>
         <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Top"/>
        </MultiDataTrigger.Conditions>

        <Setter Property="Foreground" TargetName="txt" Value="#37aefe"/>
       </MultiDataTrigger>
       <MultiDataTrigger>
        <MultiDataTrigger.Conditions>
         <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
         <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Left"/>
        </MultiDataTrigger.Conditions>
        <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
       </MultiDataTrigger>
       <MultiDataTrigger>
        <MultiDataTrigger.Conditions>
         <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
         <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Bottom"/>
        </MultiDataTrigger.Conditions>
        <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
       </MultiDataTrigger>
       <MultiDataTrigger>
        <MultiDataTrigger.Conditions>
         <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
         <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Right"/>
        </MultiDataTrigger.Conditions>
        <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
       </MultiDataTrigger>
       <MultiDataTrigger>
        <MultiDataTrigger.Conditions>
         <Condition Binding="{Binding IsEnabled, RelativeSource={RelativeSource Self}}" Value="false"/>
         <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Top"/>
        </MultiDataTrigger.Conditions>
        <Setter Property="Opacity" TargetName="templateRoot" Value="0.56"/>
       </MultiDataTrigger>
       
       <MultiDataTrigger>
        <MultiDataTrigger.Conditions>
         <Condition Binding="{Binding IsSelected, RelativeSource={RelativeSource Self}}" Value="true"/>
         <Condition Binding="{Binding TabStripPlacement, RelativeSource={RelativeSource FindAncestor, AncestorLevel=1, AncestorType={x:Type TabControl}}}" Value="Top"/>        </MultiDataTrigger.Conditions>
        <Setter Property="Panel.ZIndex" Value="1"/>
        <Setter Property="Foreground" TargetName="txt" Value="#37aefe"/>
        <Setter Property="BorderThickness" TargetName="_underline" Value="0 0 0 2"/>
       </MultiDataTrigger>
      </ControlTemplate.Triggers>
     </ControlTemplate>
    </Setter.Value>
   </Setter>
  </Style>

引用示例：

<Grid Background="#858586">
    <TabControl Style="{StaticResource TabControlWithUnderLineStyle}" Foreground="Black" Width="300" Height="200" Background="Transparent" BorderBrush="Transparent" BorderThickness="0">
     <TabItem Style="{StaticResource TabItemExWithUnderLineStyle}" Cursor="Hand" Header="音樂(lè)電臺(tái)" Height="38" Width="70" Margin="5 0">
      <Grid Background="#33ffffff">
       <TextBlock Text="音樂(lè)電臺(tái)" VerticalAlignment="Center" HorizontalAlignment="Center"/>
      </Grid>
     </TabItem>
     <TabItem Style="{StaticResource TabItemExWithUnderLineStyle}" Cursor="Hand" Header="Mv電臺(tái)" Height="38" Width="70" Margin="5 0">
      <Grid Background="#33ffffff">
       <TextBlock Text="Mv電臺(tái)" VerticalAlignment="Center" HorizontalAlignment="Center"/>
      </Grid>
     </TabItem>
    </TabControl>
   </Grid>

效果如下：

四、帶關(guān)閉按鈕的TabControl

帶關(guān)閉按鈕的TabControl其實(shí)就是就是擴(kuò)展TabItem，需要新建WPF自定義控件，命名為TabItemClose吧；

C#代碼如下：

public class TabItemClose : TabItem
 {
  static TabItemClose()
  {
   DefaultStyleKeyProperty.OverrideMetadata(typeof(TabItemClose), new FrameworkPropertyMetadata(typeof(TabItemClose)));
  }

  private static void OnPropertyChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
  {
   d.SetValue(e.Property, e.NewValue);
  }

  /// <summary>
  /// 是否可以關(guān)閉
  /// </summary>
  public bool IsCanClose
  {
   get { return (bool)GetValue(IsCanCloseProperty); }
   set { SetValue(IsCanCloseProperty, value); }
  }

  public static readonly DependencyProperty IsCanCloseProperty =
   DependencyProperty.Register("IsCanClose", typeof(bool), typeof(TabItemClose), new PropertyMetadata(true, OnPropertyChanged));

  /// <summary>
  /// 關(guān)閉的圖標(biāo)
  /// </summary>
  public ImageSource CloseIcon
  {
   get { return (ImageSource)GetValue(CloseIconProperty); }
   set { SetValue(CloseIconProperty, value); }
  }

  public static readonly DependencyProperty CloseIconProperty =
   DependencyProperty.Register("CloseIcon", typeof(ImageSource), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));



  /// <summary>
  /// 正常背景色
  /// </summary>
  public SolidColorBrush NormalBackground
  {
   get { return (SolidColorBrush)GetValue(NormalBackgroundProperty); }
   set { SetValue(NormalBackgroundProperty, value); }
  }

  public static readonly DependencyProperty NormalBackgroundProperty =
   DependencyProperty.Register("NormalBackground", typeof(SolidColorBrush), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));

  /// <summary>
  /// 懸浮背景色
  /// </summary>
  public SolidColorBrush OverBackgound
  {
   get { return (SolidColorBrush)GetValue(OverBackgoundProperty); }
   set { SetValue(OverBackgoundProperty, value); }
  }

  public static readonly DependencyProperty OverBackgoundProperty =
   DependencyProperty.Register("OverBackgound", typeof(SolidColorBrush), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));


  /// <summary>
  /// 選中背景色
  /// </summary>
  public SolidColorBrush SelectedBackgound
  {
   get { return (SolidColorBrush)GetValue(SelectedBackgoundProperty); }
   set { SetValue(SelectedBackgoundProperty, value); }
  }

  public static readonly DependencyProperty SelectedBackgoundProperty =
   DependencyProperty.Register("SelectedBackgound", typeof(SolidColorBrush), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));


  /// <summary>
  /// 默認(rèn)前景色
  /// </summary>
  public SolidColorBrush NormalForeground
  {
   get { return (SolidColorBrush)GetValue(NormalForegroundProperty); }
   set { SetValue(NormalForegroundProperty, value); }
  }

  public static readonly DependencyProperty NormalForegroundProperty =
   DependencyProperty.Register("NormalForeground", typeof(SolidColorBrush), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));

  /// <summary>
  /// 懸浮前景色
  /// </summary>
  public SolidColorBrush OverForeground
  {
   get { return (SolidColorBrush)GetValue(OverForegroundProperty); }
   set { SetValue(OverForegroundProperty, value); }
  }

  public static readonly DependencyProperty OverForegroundProperty =
   DependencyProperty.Register("OverForeground", typeof(SolidColorBrush), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));

  /// <summary>
  /// 選中前景色
  /// </summary>
  public SolidColorBrush SelectedForeground
  {
   get { return (SolidColorBrush)GetValue(SelectedForegroundProperty); }
   set { SetValue(SelectedForegroundProperty, value); }
  }

  public static readonly DependencyProperty SelectedForegroundProperty =
   DependencyProperty.Register("SelectedForeground", typeof(SolidColorBrush), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));
  /// <summary>
  /// 控件圓角
  /// </summary>
  public CornerRadius CornerRadius
  {
   get { return (CornerRadius)GetValue(CornerRadiusProperty); }
   set { SetValue(CornerRadiusProperty, value); }
  }
  public static readonly DependencyProperty CornerRadiusProperty =
   DependencyProperty.Register("CornerRadius", typeof(CornerRadius), typeof(TabItemClose), new PropertyMetadata(new CornerRadius(0), OnPropertyChanged));
  /// <summary>
  /// 前置Logo
  /// </summary>
  public ImageSource LogoIcon
  {
   get { return (ImageSource)GetValue(LogoIconProperty); }
   set { SetValue(LogoIconProperty, value); }
  }
  public static readonly DependencyProperty LogoIconProperty =
   DependencyProperty.Register("LogoIcon", typeof(ImageSource), typeof(TabItemClose), new PropertyMetadata(null, OnPropertyChanged));
  /// <summary>
  /// 前置Logo寬度
  /// </summary>
  public double LogoIconWidth
  {
   get { return (double)GetValue(LogoIconWidthProperty); }
   set { SetValue(LogoIconWidthProperty, value); }
  }
  public static readonly DependencyProperty LogoIconWidthProperty =
   DependencyProperty.Register("LogoIconWidth", typeof(double), typeof(TabItemClose), new PropertyMetadata(double.Parse("0"), OnPropertyChanged));
  /// <summary>
  /// 前置Logo高度
  /// </summary>
  public double LogoIconHeigth
  {
   get { return (double)GetValue(LogoIconHeigthProperty); }
   set { SetValue(LogoIconHeigthProperty, value); }
  }
  public static readonly DependencyProperty LogoIconHeigthProperty =
   DependencyProperty.Register("LogoIconHeigth", typeof(double), typeof(TabItemClose), new PropertyMetadata(double.Parse("0"), OnPropertyChanged));
  /// <summary>
  /// LogoPadding
  /// </summary>
  public Thickness LogoPadding
  {
   get { return (Thickness)GetValue(LogoPaddingProperty); }
   set { SetValue(LogoPaddingProperty, value); }
  }

  public static readonly DependencyProperty LogoPaddingProperty =
   DependencyProperty.Register("LogoPadding", typeof(Thickness), typeof(TabItemClose), new PropertyMetadata(new Thickness(0), OnPropertyChanged));
  /// <summary>
  /// 關(guān)閉item事件
  /// </summary>
  public event RoutedEventHandler CloseItem
  {
   add { AddHandler(CloseItemEvent, value); }
   remove { RemoveHandler(CloseItemEvent, value); }
  }
  public static readonly RoutedEvent CloseItemEvent =
   EventManager.RegisterRoutedEvent("CloseItem", RoutingStrategy.Bubble, typeof(RoutedEventHandler), typeof(TabItemClose));
  /// <summary>
  /// 關(guān)閉項(xiàng)的右鍵菜單
  /// </summary>
  public ContextMenu ItemContextMenu { get; set; }

  Border ItemBorder;
  public override void OnApplyTemplate()
  {
   base.OnApplyTemplate();
   ItemBorder = Template.FindName("_bordertop", this) as Border;
   if (ItemContextMenu != null)
   {
    ItemBorder.ContextMenu = ItemContextMenu;
   }
  }
 }

這里面我們添加了很多擴(kuò)展功能，包括右鍵菜單，圖標(biāo)顯示和控件圓角，以及各種背景色屬性。

然后為TabItemClose設(shè)置樣式

<Style TargetType="{x:Type local:TabItemClose}">
  <Setter Property="HorizontalContentAlignment" Value="Stretch"/>
  <Setter Property="VerticalContentAlignment" Value="Stretch"/>
  <Setter Property="Foreground" Value="#666666"/>
  <Setter Property="Margin" Value="0 0 0 0"/>
  <Setter Property="Padding" Value="0"/>
  <Setter Property="BorderThickness" Value="0"/>
  <Setter Property="CloseIcon" Value="/Images/close2.png"/>
  <Setter Property="NormalBackground" Value="White"/>
  <Setter Property="OverBackgound" Value="#33ca5100"/>
  <Setter Property="SelectedBackgound" Value="#ca5100"/>
  <Setter Property="NormalForeground" Value="#555558"/>
  <Setter Property="OverForeground" Value="White"/>
  <Setter Property="SelectedForeground" Value="White"/>
  <Setter Property="Template">
   <Setter.Value>
    <ControlTemplate TargetType="{x:Type local:TabItemClose}">
     <Border x:Name="_bordertop" Width="{TemplateBinding Width}" MaxWidth="{TemplateBinding MaxWidth}" Height="{TemplateBinding Height}" CornerRadius="{TemplateBinding CornerRadius}" Background="{TemplateBinding NormalBackground}" BorderThickness="{TemplateBinding BorderThickness}" BorderBrush="{TemplateBinding BorderBrush}" ToolTip="{TemplateBinding Header}" >
      <DockPanel>
       <Image x:Name="_logo" DockPanel.Dock="Left" Visibility="Visible" Margin="{TemplateBinding LogoPadding}" Source="{TemplateBinding LogoIcon}" VerticalAlignment="Center" HorizontalAlignment="Center" Stretch="Uniform" Width="{TemplateBinding LogoIconWidth}" Height="{TemplateBinding LogoIconHeigth}" />
       <Grid Name="_grid" SnapsToDevicePixels="True">
        <Grid.ColumnDefinitions>
         <ColumnDefinition Width="*" />
         <ColumnDefinition x:Name="_col_close" Width="20" />
        </Grid.ColumnDefinitions>
        <Border Grid.ColumnSpan="2" Background="White" Opacity="0"/>
        <TextBlock x:Name="_txt" VerticalAlignment="Center" TextTrimming="CharacterEllipsis" Margin="3 0 3 0" Foreground="{TemplateBinding NormalForeground}" TextAlignment="Center" HorizontalAlignment="Center" Text="{TemplateBinding Header}" />
        <Grid x:Name="_gridclose" Grid.Column="1" >
         <Border x:Name="_borderbg" Background="Black" Opacity="0" />
         <local:ButtonEx x:Name="PART_Close_TabItem" HorizontalAlignment="Center" VerticalAlignment="Center" Background="Transparent" Visibility="Visible" Icon="{TemplateBinding CloseIcon}" ButtonType="Icon" />
        </Grid>
       </Grid>
      </DockPanel>

     </Border>
     <ControlTemplate.Triggers>
      <Trigger Property="LogoIcon" Value="{x:Null}">
       <Setter TargetName="_logo" Property="Visibility" Value="Collapsed" />
      </Trigger>
      <Trigger Property="IsCanClose" Value="false">
       <Setter TargetName="_gridclose" Property="Visibility" Value="Collapsed"/>
       <Setter TargetName="_col_close" Property="Width" Value="0"/>
      </Trigger>
      <Trigger Property="IsSelected" Value="true">
       <Setter TargetName="_bordertop" Property="Background" Value="{Binding SelectedBackgound,RelativeSource={RelativeSource TemplatedParent}}" />
       <Setter TargetName="_txt" Property="Foreground" Value="{Binding SelectedForeground,RelativeSource={RelativeSource TemplatedParent}}"/>
      </Trigger>
      <MultiTrigger>
       <MultiTrigger.Conditions>
        <Condition Property="IsMouseOver" Value="true"/>
        <Condition Property="IsSelected" Value="false"/>
       </MultiTrigger.Conditions>
       <Setter TargetName="_txt" Property="Foreground" Value="{Binding OverForeground,RelativeSource={RelativeSource TemplatedParent}}"/>
       <Setter TargetName="_bordertop" Property="Background" Value="{Binding OverBackgound,RelativeSource={RelativeSource TemplatedParent}}"/>
      </MultiTrigger>
     </ControlTemplate.Triggers>
    </ControlTemplate>
   </Setter.Value>
  </Setter>
 </Style>

這里面使用了一個(gè)close的圖標(biāo)

TabControl的圖標(biāo)可設(shè)置可不設(shè)置，看自己需要。

這里面還用到了前面講的控件ButtonEx，定義方法我就不重復(fù)贅述了。大家可以通過(guò)這個(gè)鏈接跳轉(zhuǎn)查看：http://www.dbjr.com.cn/article/138475.htm。ButtonEx.cs里面還要添加幾個(gè)方法用來(lái)支持關(guān)閉TabItem：

protected override void OnClick()
  {
   base.OnClick();
   if (!string.IsNullOrEmpty(Name) && Name == "PART_Close_TabItem")
   {
    TabItemClose itemclose = FindVisualParent<TabItemClose>(this);
    (itemclose.Parent as TabControl).Items.Remove(itemclose);
    RoutedEventArgs args = new RoutedEventArgs(TabItemClose.CloseItemEvent, itemclose);
    itemclose.RaiseEvent(args);
   }
  }

  public static T FindVisualParent<T>(DependencyObject obj) where T : class
  {
   while (obj != null)
   {
    if (obj is T)
     return obj as T;

    obj = VisualTreeHelper.GetParent(obj);
   }
   return null;
  }

引用示例：

<Grid Background="#858586">
    <TabControl Foreground="Black" Width="300" Height="200" Background="Transparent" BorderBrush="Transparent" BorderThickness="0">
     <local:TabItemClose Cursor="Hand" Header="音樂(lè)電臺(tái)" Height="20" Width="100">
      <Grid Background="#aaffffff">
       <TextBlock Text="音樂(lè)電臺(tái)" VerticalAlignment="Center" HorizontalAlignment="Center"/>
      </Grid>
     </local:TabItemClose>
     <local:TabItemClose Cursor="Hand" Header="Mv電臺(tái)" Height="20" Width="100">
      <Grid Background="#aaffffff">
       <TextBlock Text="Mv電臺(tái)" VerticalAlignment="Center" HorizontalAlignment="Center"/>
      </Grid>
     </local:TabItemClose>
    </TabControl>
   </Grid>

效果如下：

總結(jié)

以上就是這篇文章的全部?jī)?nèi)容了，希望本文的內(nèi)容對(duì)大家的學(xué)習(xí)或者工作具有一定的參考學(xué)習(xí)價(jià)值，如果有疑問(wèn)大家可以留言交流，謝謝大家對(duì)腳本之家的支持。

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