help animation wpf - vb

Question

<Window x:Class="Window1"
   
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation";
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml";
    Title="Window1" Height="300" Width="300">
    <Grid Name="Grid1">
        <Button Height="25" Width="50"
HorizontalAlignment="Right" VerticalAlignment="Bottom"
Name="Button1">Go</Button>
    </Grid>
</Window>



Imports System.Windows.Media.Animation

Class Window1

    Private LL As New Windows.Controls.Label

    Private Sub Window1_Loaded(ByVal sender As Object, ByVal
e As System.Windows.RoutedEventArgs) Handles Me.Loaded

        LL.Content = "dgkdjsjfklògjsòldfg"
        LL.Name = "Label1"
        LL.HorizontalAlignment Windows.HorizontalAlignment.Left
        LL.VerticalAlignment Windows.VerticalAlignment.Top
        LL.Foreground = Brushes.Black
        LL.Visibility = Windows.Visibility.Visible

        Me.Grid1.Children.Add(LL)

    End Sub

    Private Sub Button1_Click(ByVal sender As System.Object,
ByVal e As System.Windows.RoutedEventArgs) Handles
Button1.Click

        Dim sb As New Storyboard

        Dim myDoubleAnimation As New DoubleAnimation
        myDoubleAnimation.From = 0
        myDoubleAnimation.To = 100
        myDoubleAnimation.Duration TimeSpan.FromMilliseconds(2000)

        Storyboard.SetTargetName(myDoubleAnimation,
"Label1")
        Dim PropP As New PropertyPath(Canvas.LeftProperty)
        Storyboard.SetTargetProperty(myDoubleAnimation,
PropP)

        Dim myDoubleAnimation2 As New DoubleAnimation
        myDoubleAnimation2.From = 0
        myDoubleAnimation2.To = 100
        myDoubleAnimation2.Duration TimeSpan.FromMilliseconds(2000)

        Storyboard.SetTargetName(myDoubleAnimation2,
"Label1")
        Dim PropP2 As New PropertyPath(Canvas.TopProperty)
        Storyboard.SetTargetProperty(myDoubleAnimation2,
PropP2)

        sb.Children.Add(myDoubleAnimation)
        sb.Children.Add(myDoubleAnimation2)

        Me.BeginStoryboard(sb)

    End Sub

End Class




Why not function?

please!