<i:Interaction.Triggers>

                <i:EventTrigger EventName="ValueChanged">

                    <i:InvokeCommandAction Command="{Binding ValueChangedCommand}" />

                </i:EventTrigger>

            </i:Interaction.Triggers>

<UserControl.Resources>

        <ControlTemplate x:Key="trackThumb" TargetType="{x:Type Slider}">

            <Border Background="{TemplateBinding Background}"

                    BorderBrush="{TemplateBinding BorderBrush}"

                    BorderThickness="{TemplateBinding BorderThickness}">

                <Grid>

                    <Track x:Name="PART_Track">

                        <Track.Thumb>

                            <Thumb Width="10">

                                <i:Interaction.Triggers>

                                    <i:EventTrigger EventName="DragCompleted">

                                        <i:InvokeCommandAction Command="{Binding ValueChangedCommand}" />

                                    </i:EventTrigger>

                                </i:Interaction.Triggers>

                            </Thumb>

                        </Track.Thumb>

                    </Track>

                </Grid>

            </Border>

        </ControlTemplate>

    </UserControl.Resources>

public class MouseDoubleClickCopyTextBehavior : Behavior<FrameworkElement>

    {

        /// <summary>

        /// 需要复制的内容

        /// </summary>

        public string CopyText

        {

            get { return (string)GetValue(CopyTextProperty); }

            set { SetValue(CopyTextProperty, value); }

        }

        public static readonly DependencyProperty CopyTextProperty = DependencyProperty.Register("CopyText", typeof(string), typeof(MouseDoubleClickCopyTextBehavior), new PropertyMetadata(null));

        protected override void OnAttached()

        {

            base.OnAttached();

            AssociatedObject.PreviewMouseLeftButtonDown += AssociatedObject_PreviewMouseLeftButtonDown;

        }

        protected override void OnDetaching()

        {

            base.OnDetaching();

            AssociatedObject.PreviewMouseLeftButtonDown -= AssociatedObject_PreviewMouseLeftButtonDown;

        }

        void AssociatedObject_PreviewMouseLeftButtonDown(object sender, MouseButtonEventArgs e)

        {

            if (e.ClickCount >= )

                Clipboard.SetDataObject(CopyText);

        }

<Style TargetType="Label" BasedOn="{StaticResource {x:Type Label}}">

                <Setter Property="VerticalAlignment" Value="Center" />

                <Setter Property="Template">

                    <Setter.Value>

                        <ControlTemplate TargetType="Label">

                            <Border>

                                <ContentPresenter Name="ContentPresenter"

                                                 HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"

                                                  VerticalAlignment="{TemplateBinding VerticalContentAlignment}"

                                                  RecognizesAccessKey="True" >

                                    <!-- 绑定自定义行为 -->

                                    <i:Interaction.Behaviors>
                                         <hei:MouseDoubleClickCopyTextBehavior CopyText="{Binding ElementName=ContentPresenter,Path=Content}"/>

                                    </i:Interaction.Behaviors>

                                </ContentPresenter>

                            </Border>

                            <ControlTemplate.Triggers>

                                <Trigger Property="IsEnabled"

                                         Value="false">

                                    <Setter Property="Foreground"><Setter.Value>

                                            <SolidColorBrush Color="{DynamicResource DisabledForegroundColor}" />

                                        </Setter.Value>

                                    </Setter>

                                </Trigger>

                            </ControlTemplate.Triggers>

                        </ControlTemplate></Setter.Value>

                </Setter>

            </Style>