滑动CheckBox样式

  <Style x:Key="SliderCheckBox" TargetType="{x:Type CheckBox}">
            <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.ControlTextBrushKey}}"/>
            <Setter Property="BorderThickness" Value="0"/>
            <Setter Property="Cursor" Value="Hand" />
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="{x:Type CheckBox}">
                        <ControlTemplate.Resources>
                            <Storyboard x:Key="StoryboardIsChecked">
                                <ColorAnimation Storyboard.TargetProperty="(Ellipse.Fill).(SolidColorBrush.Color)" Storyboard.TargetName="CheckFlag" To="#FF60B771" Duration="00:00:0.2"/>
                                <ObjectAnimationUsingKeyFrames Storyboard.TargetName="CheckFlag" Storyboard.TargetProperty="HorizontalAlignment">
                                    <DiscreteObjectKeyFrame KeyTime="0:0:0">
                                        <DiscreteObjectKeyFrame.Value>
                                            <HorizontalAlignment>Right</HorizontalAlignment>
                                        </DiscreteObjectKeyFrame.Value>
                                    </DiscreteObjectKeyFrame>
                                </ObjectAnimationUsingKeyFrames>
                            </Storyboard>
                            <Storyboard x:Key="StoryboardIsCheckedOff">

                                <ColorAnimation Storyboard.TargetProperty="(Ellipse.Fill).(SolidColorBrush.Color)" Storyboard.TargetName="CheckFlag" To="#FFC7CAC7" Duration="00:00:0.2"/>
                                <ObjectAnimationUsingKeyFrames Storyboard.TargetName="CheckFlag" Storyboard.TargetProperty="HorizontalAlignment">
                                    <DiscreteObjectKeyFrame KeyTime="0:0:0">
                                        <DiscreteObjectKeyFrame.Value>
                                            <HorizontalAlignment>Left</HorizontalAlignment>
                                        </DiscreteObjectKeyFrame.Value>
                                    </DiscreteObjectKeyFrame>
                                </ObjectAnimationUsingKeyFrames>
                            </Storyboard>


                        </ControlTemplate.Resources>
                        <BulletDecorator Background="Transparent" SnapsToDevicePixels="true" HorizontalAlignment="Stretch">
                            <StackPanel Orientation="Horizontal" HorizontalAlignment="Center" VerticalAlignment="Center">

                                <Grid>
                                    <Border x:Name="ForegroundPanel" Background="#FF839594" BorderThickness="1" Width="80" Height="15" CornerRadius="7" BorderBrush="#DDDDDD" VerticalAlignment="Center"/>
                                    <Ellipse Fill="#FFC7CAC7" x:Name="CheckFlag"  VerticalAlignment="Center" Width="30" Height="30">
                                        <Ellipse.RenderTransform>
                                            <TransformGroup>
                                                <ScaleTransform/>
                                                <SkewTransform/>
                                                <RotateTransform/>
                                                <TranslateTransform/>
                                            </TransformGroup>
                                        </Ellipse.RenderTransform>
                                    </Ellipse>
                                </Grid>
                                <ContentPresenter HorizontalAlignment="Left" Margin="{TemplateBinding Padding}" RecognizesAccessKey="True" SnapsToDevicePixels="{TemplateBinding SnapsToDevicePixels}" VerticalAlignment="Center"/>
                            </StackPanel>
                        </BulletDecorator>
                        <ControlTemplate.Triggers>
                            <Trigger Property="HasContent" Value="True">
                                <Setter Property="Padding" Value="5"/>
                            </Trigger>
                            <Trigger Property="IsEnabled" Value="False">
                                <Setter Property="Foreground" Value="{DynamicResource {x:Static SystemColors.GrayTextBrushKey}}"/>
                            </Trigger>


                            <Trigger Property="IsChecked" Value="True">
                                <Trigger.EnterActions>
                                    <BeginStoryboard x:Name="BeginStoryboardCheckedTrue" Storyboard="{StaticResource StoryboardIsChecked}" />
                                    <RemoveStoryboard BeginStoryboardName="BeginStoryboardCheckedFalse" />
                                </Trigger.EnterActions>
                            </Trigger>
                            <Trigger Property="IsChecked" Value="False">
                                <Trigger.EnterActions>
                                    <BeginStoryboard x:Name="BeginStoryboardCheckedFalse" Storyboard="{StaticResource StoryboardIsCheckedOff}" />
                                    <RemoveStoryboard BeginStoryboardName="BeginStoryboardCheckedTrue" />
                                </Trigger.EnterActions>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>