DoubleAnimation Loop for 30 seconds : DoubleAnimation « Windows Presentation Foundation « VB.Net Tutorial

1. VB.Net Tutorial
2. Windows Presentation Foundation
3. DoubleAnimation

<Window x:Class="WpfApplication1.MainWindow"
    xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
    xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
    Title="AnimatedLabel" Height="498" Width="530" WindowStartupLocation="CenterScreen" >
  <StackPanel>
    <Button Content ="Animate Height" Click ="btnAnimatelblMessage_Click" />
    <Label Name ="lblHeight"  Content ="Animate Height!"/>
    <Button Content ="Animate Transparency" Click ="btnAnimatelblTransparency_Click"/>
    <Label Background ="Cornsilk" Name ="lblTransparency"  Content ="Animate Transparency!"/>
  </StackPanel>
</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 MainWindow
    Inherits Window
    Public Sub New()
      InitializeComponent()
    End Sub

    Protected Sub btnAnimatelblMessage_Click(sender As Object, args As RoutedEventArgs)
      Dim dblAnim As New DoubleAnimation()
      dblAnim.From = 40
      dblAnim.[To] = 200

      dblAnim.AutoReverse = True

      dblAnim.RepeatBehavior = New RepeatBehavior(TimeSpan.FromSeconds(30))

      dblAnim.Duration = New Duration(TimeSpan.FromSeconds(4))
      lblHeight.BeginAnimation(Label.HeightProperty, dblAnim)
    End Sub

    Protected Sub btnAnimatelblTransparency_Click(sender As Object, args As RoutedEventArgs)
      Dim dblAnim As New DoubleAnimation()
      dblAnim.From = 1.0
      dblAnim.[To] = 0.0
      dblAnim.Duration = New Duration(TimeSpan.FromSeconds(10))
      lblTransparency.BeginAnimation(Label.OpacityProperty, dblAnim)
    End Sub
  End Class
End Namespace

16.109.DoubleAnimation
	16.109.1.	DoubleAnimation Loop forever
	16.109.2.	DoubleAnimation Loop three times
	16.109.3.	DoubleAnimation Loop for 30 seconds
	16.109.4.	Use DoubleAnimation to animate Gradient Offset
	16.109.5.	Path Animation with DoubleAnimation Using Path, AutoReverse
	16.109.6.	Create DoubleAnimation and Animate a Button with Button.BeginAnimation and Button.WidthProperty
	16.109.7.	TranslateTransform and DoubleAnimation