Stop, resume animation with Storyboard : Storyboard « Windows Presentation Foundation « VB.Net Tutorial

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VB.Net Tutorial » Windows Presentation Foundation » Storyboard 
16.113.17.Stop, resume animation with Storyboard
<Window
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    x:Class="WpfApplication1.Window1"
    Title="Color Spinner" Height="370" Width="270" >
    <Window.Resources>
        <Storyboard x:Key="Spin">
            <DoubleAnimationUsingKeyFrames BeginTime="00:00:00" Storyboard.TargetName="ellipse1" Storyboard.TargetProperty="(UIElement.RenderTransform).(TransformGroup.Children)[0].(RotateTransform.Angle)" RepeatBehavior="Forever">
                <SplineDoubleKeyFrame KeyTime="00:00:10" Value="360"/>
            </DoubleAnimationUsingKeyFrames>
        </Storyboard>
    </Window.Resources>
    <Window.Triggers>
        <EventTrigger RoutedEvent="FrameworkElement.Loaded">
            <BeginStoryboard Storyboard="{StaticResource Spin}" x:Name="Spin_BeginStoryboard"/>
        </EventTrigger>
        <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="goButton">
            <ResumeStoryboard BeginStoryboardName="Spin_BeginStoryboard"/>
        </EventTrigger>
        <EventTrigger RoutedEvent="ButtonBase.Click" SourceName="stopButton">
            <PauseStoryboard BeginStoryboardName="Spin_BeginStoryboard"/>
        </EventTrigger>
    </Window.Triggers>
    <Window.Background>
        <LinearGradientBrush EndPoint="0.5,1" StartPoint="0.5,0">
            <GradientStop Color="#FFFFFFFF" Offset="0"/>
            <GradientStop Color="#FFFFC45A" Offset="1"/>
        </LinearGradientBrush>
    </Window.Background>
    <Grid>
        <StackPanel>
            <Ellipse Margin="15,85,0,0" Name="ellipse1" Stroke="{x:Null}" Height="80" HorizontalAlignment="Left" VerticalAlignment="Top" Width="120" Fill="Red" Opacity="0.5" RenderTransformOrigin="0.92,0.5" >
                <Ellipse.BitmapEffect>
                    <BevelBitmapEffect/>
                </Ellipse.BitmapEffect>
                <Ellipse.RenderTransform>
                    <TransformGroup>
                        <RotateTransform Angle="0"/>
                    </TransformGroup>
                </Ellipse.RenderTransform>
            </Ellipse>
            <Button Name="goButton" Content="Go"/>
        <Button Name="stopButton" Content="Stop"/>
        <Button Name="toggleButton" Content="Toggle" Click="toggleButton_Click" />
       </StackPanel>

    </Grid>
</Window>


//File:Window.xaml.vb

Imports System
Imports System.Collections.Generic
Imports System.Linq
Imports System.Text
Imports System.Windows
Imports System.Windows.Controls
Imports System.Windows.Data
Imports System.Windows.Documents
Imports System.Windows.Input
Imports System.Windows.Media
Imports System.Windows.Media.Imaging
Imports System.Windows.Navigation
Imports System.Windows.Shapes
Imports System.Windows.Media.Animation

Namespace WpfApplication1
  Public Partial Class Window1
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub

    Private Sub toggleButton_Click(sender As Object, e As RoutedEventArgs)
      Dim spinStoryboard As Storyboard = TryCast(Resources("Spin"), Storyboard)
      If spinStoryboard IsNot Nothing Then
        If spinStoryboard.GetIsPaused(MeThen
          spinStoryboard.[Resume](Me)
        Else
          spinStoryboard.Pause(Me)
        End If
      End If
    End Sub
  End Class
End Namespace
WPF Stop Resume Animation With Storyboard
16.113.Storyboard
16.113.1.Targeting named elementsTargeting named elements
16.113.2.Write StoryBoard for Animating Width from one value to another with duration and RepeatBehaviorWrite StoryBoard for Animating Width from one value to another with duration and RepeatBehavior
16.113.3.Limit the Frame Rate of a StoryboardLimit the Frame Rate of a Storyboard
16.113.4.Animation RepeatBehavior ForeverAnimation RepeatBehavior Forever
16.113.5.Object Loading Event Trigger EventObject Loading Event Trigger Event
16.113.6.Define Animation Trigger and StoredBoard for EllipseDefine Animation Trigger and StoredBoard for Ellipse
16.113.7.Time based RepeatBehaviourTime based RepeatBehaviour
16.113.8.Two color animationsTwo color animations
16.113.9.Create an animation using the storyboardCreate an animation using the storyboard
16.113.10.Storyboard for Animating ColorStoryboard for Animating Color
16.113.11.Remove Animations with StoryboardRemove Animations with Storyboard
16.113.12.Storyboard: A child with a fill periodStoryboard: A child with a fill period
16.113.13.Use Button to pause an animation with PauseStoryboardUse Button to pause an animation with PauseStoryboard
16.113.14.Use Button to resume an Animation with ResumeStoryboardUse Button to resume an Animation with ResumeStoryboard
16.113.15.Use Button to skip an Animation with SkipStoryboardToFillUse Button to skip an Animation with SkipStoryboardToFill
16.113.16.Use Button to stop an Animation with StopStoryboardUse Button to stop an Animation with StopStoryboard
16.113.17.Stop, resume animation with StoryboardStop, resume animation with Storyboard
16.113.18.Start and stop an Animation with Button actionsStart and stop an Animation with Button actions
16.113.19.Create an interactive animation using XAML and the StoryboardCreate an interactive animation using XAML and the Storyboard
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