WPF 各种基础动画实现

C#

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.Animation;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;

namespace AnimationTest
{
    /// <summary>
    /// MainWindow.xaml 的交互逻辑
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            DoubleAnimation a = new DoubleAnimation();//定义
            a.RepeatBehavior = new RepeatBehavior(2);//重复次数，延迟不重复
            //a.RepeatBehavior = new RepeatBehavior(TimeSpan.Parse("0:0:15"));//整个动画持续时间，中途停止动画
            //a.RepeatBehavior = RepeatBehavior.Forever;//无限重复
            a.BeginTime=TimeSpan.Parse("0:0:1");//延迟开始时间
            //a.SpeedRatio = 2;//动画速度快2倍，影响TimeSpan.Parse
            //a.AccelerationRatio = 0.33;//加速阶段从时间百分比0%到33%
            //a.DecelerationRatio = 0.33;//减速阶段从时间百分比100%-33%到100%；
            //a.IsCumulative = true;//仅与RepeatBehavior一起使用在a.By下50-150-50跳150-200-150
            //a.IsAdditive = true;//获取属性默认值，从默认值开始动画
            //a.FillBehavior = FillBehavior.Stop;//动画完之后恢复原始值
            //a.From = 50;//起始，若默认值不是50则跳到50在进行动画
            a.AutoReverse = true;//往返
            //a.To = 100;
            a.By = 100;//等于a.To = 100 + a.Form;
            a.Duration = new Duration(TimeSpan.Parse("0:0:5"));//花费时间
            b.BeginAnimation(Button.WidthProperty,a);//调用开始
        }
    }
}

XMAL

<Window x:Class="AnimationTest.MainWindow"
        xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
        xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
        Title="MainWindow" Height="350" Width="525">
    <Window.Resources>
        <Style x:Key="bt1" TargetType="{x:Type Button}">
            <Setter Property="Background" Value="Yellow"/>
            <Style.Triggers>
                <EventTrigger RoutedEvent="Button.Click">
                    <EventTrigger.Actions>
                        <BeginStoryboard>
                            <Storyboard TargetProperty="Width">
                                <DoubleAnimation To="100" Duration="0:0:5" AutoReverse="True" IsAdditive="True"/>
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger.Actions>
                </EventTrigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <Grid>
        <Canvas Margin="12,12,359,187">
            <Button x:Name="b" Width="25">
                CS
            </Button>
            <Button Canvas.Top="28" Width="50" Style="{StaticResource ResourceKey=bt1}">
                XAML
            </Button>
            <Button Canvas.Top="55">
                Color
                <Button.Background>
                    <LinearGradientBrush>
                        <GradientStop Color="Blue" Offset="0"/>
                        <GradientStop Color="Black" Offset="0.5"/>
                        <GradientStop Color="Blue" Offset="1"/>
                    </LinearGradientBrush>
                </Button.Background>
                <Button.Triggers>
                    <EventTrigger RoutedEvent="Button.Loaded">
                        <EventTrigger.Actions>
                            <BeginStoryboard>
                                <Storyboard >
                                    <ColorAnimation From="Black" To="White" Duration="0:0:2" AutoReverse="True"
                                                    Storyboard.TargetProperty="Background.GradientStops[1].Color"
                                                    RepeatBehavior="Forever"/>
                                    <DoubleAnimation From="0" To="1" Duration="0:0:2" AutoReverse="True"
                                                     Storyboard.TargetProperty="Background.GradientStops[1].Offset"
                                                     RepeatBehavior="Forever"/>
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger.Actions>
                    </EventTrigger>
                </Button.Triggers>
            </Button>
            <Button Canvas.Top="84" Canvas.Left="0">
                Color
                <Button.Background>
                    <LinearGradientBrush>
                        <GradientStop Color="Blue" Offset="0"/>
                        <GradientStop Color="White" Offset="0.5"/>
                        <GradientStop Color="Blue" Offset="1"/>
                    </LinearGradientBrush>
                </Button.Background>
                <Button.Triggers>
                    <EventTrigger RoutedEvent="Button.Loaded">
                        <EventTrigger.Actions>
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation From="0" To="1" Duration="0:0:2" AutoReverse="True"
                                                     Storyboard.TargetProperty="Background.GradientStops[1].Offset"
                                                     RepeatBehavior="Forever"/>
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger.Actions>
                    </EventTrigger>
                </Button.Triggers>
            </Button>
        </Canvas>
        <Canvas Margin="161,12,114,174">
            <Canvas.Triggers>
                <EventTrigger RoutedEvent="Canvas.Loaded">
                    <BeginStoryboard>
                        <Storyboard TargetName="p2" TargetProperty="Opacity">
                            <DoubleAnimation From="1" To="0" AutoReverse="True" RepeatBehavior="Forever" Duration="0:0:5"/>
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
            </Canvas.Triggers>
            <Image Name="p1" Source="/AnimationTest;component/Images/p1.bmp" />
            <Image Name="p2" Source="/AnimationTest;component/Images/p2.bmp" />
        </Canvas>
        <Canvas Margin="400,12,12,264" Background="Black" TextBlock.Foreground="White" TextBlock.FontSize="30">
            <Canvas.Triggers>
                <EventTrigger RoutedEvent="Canvas.Loaded">
                    <BeginStoryboard>
                        <Storyboard TargetProperty="Opacity" RepeatBehavior="Forever">
                            <DoubleAnimation Storyboard.TargetName="title1" BeginTime="0:0:2"
                                             From="0" To="1" Duration="0:0:2" AutoReverse="True"/>
                            <DoubleAnimation Storyboard.TargetName="title2" BeginTime="0:0:6"
                                             From="0" To="1" Duration="0:0:2" AutoReverse="True"/>
                            <DoubleAnimation Storyboard.TargetName="title3" BeginTime="0:0:10"
                                             From="0" To="1" Duration="0:0:2" AutoReverse="True"/>
                            <DoubleAnimation Storyboard.TargetName="title4" BeginTime="0:0:14"
                                             From="0" To="1" Duration="0:0:2" AutoReverse="True"/>
                            <DoubleAnimation Storyboard.TargetName="title5" BeginTime="0:0:18"
                                             From="0" To="1" Duration="0:0:2" AutoReverse="True"/>
                        </Storyboard>
                    </BeginStoryboard>
                </EventTrigger>
            </Canvas.Triggers>
            <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title1">title1</TextBlock>
            <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title2">title2</TextBlock>
            <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title3">title3</TextBlock>
            <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title4">title4</TextBlock>
            <TextBlock HorizontalAlignment="Center" VerticalAlignment="Center" Opacity="0" Name="title5">title5</TextBlock>
        </Canvas>
        <Canvas Margin="0,144,12,89" Background="Black">
            <Image Source="/AnimationTest;component/Images/1.bmp" Height="25" Width="25">
                <Image.Triggers>
                    <EventTrigger RoutedEvent="Image.Loaded">
                        <EventTrigger.Actions>
                            <BeginStoryboard>
                                <Storyboard>
                                    <DoubleAnimation Storyboard.TargetProperty="(Canvas.Left)"
                                                     From="0" To="400" Duration="0:0:9" RepeatBehavior="Forever" AutoReverse="True"/>
                                    <DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Canvas.Top)"
                                                                    Duration="0:0:9" RepeatBehavior="Forever" AutoReverse="True">
                                        <LinearDoubleKeyFrame Value="0" KeyTime="0:0:0"/>
                                        <LinearDoubleKeyFrame Value="30" KeyTime="0:0:1"/>
                                        <LinearDoubleKeyFrame Value="20" KeyTime="0:0:2"/>
                                        <LinearDoubleKeyFrame Value="50" KeyTime="0:0:3"/>
                                        <SplineDoubleKeyFrame Value="0" KeySpline="0,1 1,0" KeyTime="0:0:4"/>
                                        <SplineDoubleKeyFrame Value="50" KeySpline="0,1 1,0" KeyTime="0:0:5"/>
                                        <SplineDoubleKeyFrame Value="0" KeySpline="0,1 1,0" KeyTime="0:0:6"/>
                                        <DiscreteDoubleKeyFrame Value="50" KeyTime="0:0:7"/>
                                        <DiscreteDoubleKeyFrame Value="0" KeyTime="0:0:8"/>
                                        <DiscreteDoubleKeyFrame Value="50" KeyTime="0:0:9"/>
                                        <!--KeyTime省略则匀速动画，也可以用百分比设值、Paced速率-->
                                    </DoubleAnimationUsingKeyFrames>
                                </Storyboard>
                            </BeginStoryboard>
                        </EventTrigger.Actions>
                    </EventTrigger>
                </Image.Triggers>
            </Image>
        </Canvas>
        <Canvas Margin="400,67,66,223" Background="Black" TextBlock.Foreground="White">
            <TextBlock Width="37" Height="21" Text="play">
            <TextBlock.Triggers>
                <EventTrigger RoutedEvent="Loaded">
                    <EventTrigger.Actions>
                        <BeginStoryboard>
                            <Storyboard>
                                <StringAnimationUsingKeyFrames Storyboard.TargetProperty="Text" Duration="0:0:5" RepeatBehavior="Forever" AutoReverse="True">
                                    <DiscreteStringKeyFrame Value="play"/>
                                    <DiscreteStringKeyFrame Value="Play"/>
                                    <DiscreteStringKeyFrame Value="PLay"/>
                                    <DiscreteStringKeyFrame Value="PLAy"/>
                                    <DiscreteStringKeyFrame Value="PLAY"/>
                                    <DiscreteStringKeyFrame Value="PLAY"/>
                                </StringAnimationUsingKeyFrames>
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger.Actions>
                </EventTrigger>
            </TextBlock.Triggers>
            </TextBlock>
        </Canvas>
    </Grid>
</Window>

源自《WPF 揭秘》一书