코드를 사용하여 C# WPF 캔버스에서 선 그리기에 애니메이션을 적용하는 방법은 무엇입니까?

<ListBox ItemsSource="{Binding}" x:Name="lst" Height="500" Width="500">
    <ListBox.ItemsPanel>
        <ItemsPanelTemplate>
            <Canvas IsItemsHost="True"/>
        </ItemsPanelTemplate>
    </ListBox.ItemsPanel>
    <ListBox.ItemContainerStyle>
        <Style TargetType="ListBoxItem">
            <Setter Property="FocusVisualStyle">
                <Setter.Value>
                    <Style TargetType="Control">
                        <Setter Property="Opacity" Value="0"/>
                    </Style>
                </Setter.Value>
            </Setter>
            <Setter Property="Template">
                <Setter.Value>
                    <ControlTemplate TargetType="ListBoxItem">
                        <Line X1="{Binding X1}" Y1="{Binding Y1}"
                              X2="{Binding X2}" Y2="{Binding Y2}" 
                              StrokeThickness="{Binding Thickness}"
                              Opacity="{Binding Opacity}"
                              x:Name="Line">
                            <Line.Stroke>
                                <LinearGradientBrush StartPoint="0,0" EndPoint="1,1">
                                    <GradientStop Color="{Binding Color1}" Offset="0"/>
                                    <GradientStop Color="{Binding Color2}" Offset="1"/>
                                </LinearGradientBrush>
                            </Line.Stroke>
                        </Line>
                        <ControlTemplate.Triggers>
                            <Trigger Property="IsSelected" Value="true">
                                <Setter Property="Effect" TargetName="Line">
                                    <Setter.Value>
                                        <DropShadowEffect Color="CornflowerBlue" ShadowDepth="3" BlurRadius="10"/>
                                    </Setter.Value>
                                </Setter>
                            </Trigger>
                        </ControlTemplate.Triggers>
                    </ControlTemplate>
                </Setter.Value>
            </Setter>
        </Style>
    </ListBox.ItemContainerStyle>
</ListBox>

public class LineViewModel : INotifyPropertyChanged
{
    // ...properties and animation implementation...
}