WPF提供了样式、模板、触发器、状态管理、矢量形状等方式，让我们不需要背景图片，也可以轻松定制控件的风格样式。下面是笔者针对Checkbox进行的样式定制，让“正确”绿得好看，让“错误”红的显眼。
本文提供了两种风格，如果不是很适应自己系统的整体风格，可以对样式代码进行修改。
源代码：http://download.csdn.net/download/wadexmy/8099685
（1）普通风格
样式资源代码：
<Style x:Key="cbIsRight" TargetType="{x:Type CheckBox}">
<Setter Property="Height" Value="40"/>
<Setter Property="Width" Value="120"/>
<Setter Property="Foreground" Value="White"/>
<Setter Property="FontWeight" Value="Bold"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type CheckBox}">
<Border x:Name="ForegroundPanel" CornerRadius="4" BorderBrush="#d4d5d5" BorderThickness="1" Padding="0">
<StackPanel Orientation="Horizontal">
<Border x:Name="CheckFlag" VerticalAlignment="Center" CornerRadius="10" Margin="10,0,0,0" BorderThickness="1" Width="20" Height="20">
<Path x:Name="CheckMark" StrokeThickness="3" Stroke="White"></Path>
</Border>
<TextBlock x:Name="tbContent" VerticalAlignment="Center" Margin="2,0" Text="{TemplateBinding Content}"/>
</StackPanel>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter Property="Content" Value="正确"/>
<Setter TargetName="CheckMark" Property="Data" Value="M 4 8 L 8 12 L 14 4"/>
<Setter TargetName="ForegroundPanel" Property="Background">
<Setter.Value>
<LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
<GradientStop Color="#89b601" Offset="0.0"/>
<GradientStop Color="#73a80c" Offset="1"/>
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="CheckFlag" Property="Background" Value="#559800"></Setter>
</Trigger>
<Trigger Property="IsChecked" Value="False">
<Setter Property="Content" Value="错误"/>
<Setter TargetName="CheckMark" Property="Data" Value="M 5 5 L 14 14 M 5 14 L 14 5"/>
<Setter TargetName="ForegroundPanel" Property="Background">
<Setter.Value>
<LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
<GradientStop Color="#edb200" Offset="0.0"/>
<GradientStop Color="#ed9e00" Offset="1"/>
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="CheckFlag" Property="Background" Value="#F64708"></Setter>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
主界面Checkbox控件对样式引用代码：
<CheckBox Style="{StaticResource CheckStyle1}"/>
（2）左右滑动风格
样式资源代码：
<Style x:Key="CheckStyle2" TargetType="{x:Type CheckBox}">
<Setter Property="Height" Value="40"/>
<Setter Property="Width" Value="120"/>
<Setter Property="Foreground" Value="White"/>
<Setter Property="FontWeight" Value="Bold"/>
<Setter Property="Template">
<Setter.Value>
<ControlTemplate TargetType="{x:Type CheckBox}">
<Border x:Name="ForegroundPanel" CornerRadius="4" BorderBrush="#d4d5d5" BorderThickness="1" Padding="0">
<DockPanel>
<TextBlock x:Name="Content" HorizontalAlignment="Left" VerticalAlignment="Center" Margin="2,0" />
<Border x:Name="CheckFlag" HorizontalAlignment="Right" VerticalAlignment="Center" CornerRadius="10" BorderThickness="0" Width="20" Height="20">
<Grid>
<Path Visibility="Collapsed" Width="20" Height="20" x:Name="CheckMark" SnapsToDevicePixels="False" StrokeThickness="2"
Stroke="White" Fill="White" Data="M 5 7 L 7 15 L 18 2 L 17 2 L 7 14 L 6 7 L 5 7">
</Path>
<Path Visibility="Collapsed" Width="20" Height="20" x:Name="InderminateMark" SnapsToDevicePixels="False" StrokeThickness="3"
Stroke="White" Data="M 5 5 L 15 15 M 5 15 L 15 5">
</Path>
</Grid>
</Border>
</DockPanel>
<VisualStateManager.VisualStateGroups>
<VisualStateGroup x:Name="CommonStates">
<VisualState x:Name="Normal" />
<VisualState x:Name="MouseOver"></VisualState>
<VisualState x:Name="Pressed"></VisualState>
<VisualState x:Name="Disabled" />
</VisualStateGroup>
<VisualStateGroup x:Name="CheckStates">
<VisualState x:Name="Checked">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="CheckMark">
<DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Unchecked">
<Storyboard>
<ObjectAnimationUsingKeyFrames Storyboard.TargetProperty="(UIElement.Visibility)" Storyboard.TargetName="InderminateMark">
<DiscreteObjectKeyFrame KeyTime="0" Value="{x:Static Visibility.Visible}" />
</ObjectAnimationUsingKeyFrames>
</Storyboard>
</VisualState>
<VisualState x:Name="Indeterminate"></VisualState>
</VisualStateGroup>
</VisualStateManager.VisualStateGroups>
</Border>
<ControlTemplate.Triggers>
<Trigger Property="IsChecked" Value="True">
<Setter TargetName="ForegroundPanel" Property="Background">
<Setter.Value>
<LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
<GradientStop Color="#89b601" Offset="0.0"/>
<GradientStop Color="#73a80c" Offset="1"/>
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="Content" Property="Text" Value="正确"/>
<Setter TargetName="CheckFlag" Property="Background" Value="#559800"></Setter>
<Setter TargetName="Content" Property="DockPanel.Dock" Value="Right"/>
<Setter TargetName="CheckFlag" Property="DockPanel.Dock" Value="Left"/>
</Trigger>
<Trigger Property="IsChecked" Value="False">
<Setter TargetName="ForegroundPanel" Property="Background">
<Setter.Value>
<LinearGradientBrush StartPoint="0,0" EndPoint="1,0">
<GradientStop Color="#edb200" Offset="0.0"/>
<GradientStop Color="#ed9e00" Offset="1"/>
</LinearGradientBrush>
</Setter.Value>
</Setter>
<Setter TargetName="Content" Property="Text" Value="错误"/>
<Setter TargetName="CheckFlag" Property="Background" Value="#F64708"></Setter>
<Setter TargetName="Content" Property="DockPanel.Dock" Value="Left"/>
<Setter TargetName="CheckFlag" Property="DockPanel.Dock" Value="Right"/>
</Trigger>
</ControlTemplate.Triggers>
</ControlTemplate>
</Setter.Value>
</Setter>
</Style>
主界面Checkbox控件对样式引用代码：
<CheckBox Style="{StaticResource CheckStyle2}"/>