DoubleAnimation Loop for 30 seconds
<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.cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using System.Windows.Media.Animation;
namespace WpfApplication1
{
public partial class MainWindow : Window
{
public MainWindow()
{
InitializeComponent();
}
protected void btnAnimatelblMessage_Click(object sender, RoutedEventArgs args)
{
DoubleAnimation dblAnim = 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);
}
protected void btnAnimatelblTransparency_Click(object sender, RoutedEventArgs args)
{
DoubleAnimation dblAnim = new DoubleAnimation();
dblAnim.From = 1.0;
dblAnim.To = 0.0;
dblAnim.Duration = new Duration(TimeSpan.FromSeconds(10));
lblTransparency.BeginAnimation(Label.OpacityProperty, dblAnim);
}
}
}
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