WPF ToggleButton 主题切换动画按钮
仿造最近看到的html中的一个效果，大致思路是文章这样，感觉还可以再雕琢一下。
代码如下
XAML:
csharp
<UserControl x:Class="WPFSwitch.AnimationSwitch"
xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
xmlns:icon="http://metro.mahapps.com/winfx/xaml/iconpacks"
xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
xmlns:local="clr-namespace:WPFSwitch"
mc:Ignorable="d"
x:Name="root"
ClipToBounds="True"
d:DesignHeight="200" d:DesignWidth="600">
<UserControl.Resources>
<local:HalfConverter x:Key="CornerConverter"/>
<local:HalfConverter x:Key="EllipseConverter" Offset="10"/>
<Storyboard x:Key="ToDark">
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)" Storyboard.TargetName="border">
<!--<EasingColorKeyFrame KeyTime="0" Value="DeepSkyBlue"/>-->
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FF081A57"/>
</ColorAnimationUsingKeyFrames>
</Storyboard>
<Storyboard x:Key="ToLight">
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Panel.Background).(SolidColorBrush.Color)" Storyboard.TargetName="border">
<!--<EasingColorKeyFrame KeyTime="0" Value="#FF172E80"/>-->
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="DeepSkyBlue"/>
</ColorAnimationUsingKeyFrames>
</Storyboard>
<Storyboard x:Key="EllipseColorDark">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Offset)" Storyboard.TargetName="EllipsePoint">
<EasingDoubleKeyFrame KeyTime="0" Value="0.269"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="0.23"/>
</DoubleAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FF318AC9"/>
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FF1995EC"/>
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[3].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FF1A80C9"/>
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[2].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FF2B72C7"/>
</ColorAnimationUsingKeyFrames>
</Storyboard>
<Storyboard x:Key="EllipseColorLight">
<DoubleAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Offset)" Storyboard.TargetName="EllipsePoint">
<EasingDoubleKeyFrame KeyTime="0" Value="0.269"/>
<EasingDoubleKeyFrame KeyTime="0:0:0.4" Value="0.23"/>
</DoubleAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[1].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FFF3EC9A"/>
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[0].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FFF5EA7E"/>
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[3].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FFF9E82D"/>
</ColorAnimationUsingKeyFrames>
<ColorAnimationUsingKeyFrames Storyboard.TargetProperty="(Shape.Fill).(GradientBrush.GradientStops)[2].(GradientStop.Color)" Storyboard.TargetName="EllipsePoint">
<EasingColorKeyFrame KeyTime="0:0:0.4" Value="#FFF5E42E"/>
</ColorAnimationUsingKeyFrames>
</Storyboard>
</UserControl.Resources>
<Grid MouseLeftButtonDown="Grid_MouseLeftButtonDown">
<Viewbox>
<Grid Width="140" Height="50">
<Border x:Name="border" Background="DeepSkyBlue" CornerRadius="25"
BorderBrush="#B9616161" BorderThickness="1" ClipToBounds="True">
<Grid>
<Grid.Clip>
<RectangleGeometry Rect="0,0,138,48" RadiusX="24.4" RadiusY="24.4"/>
</Grid.Clip>
<Grid x:Name="EllipseGrid">
<Grid.RenderTransform>
<TransformGroup>
<TranslateTransform/>
</TransformGroup>
</Grid.RenderTransform>
<Ellipse Width="150" Fill="#68FFFFFF"
Height="150" HorizontalAlignment="Left" Margin="-50,-50,0,0" RenderTransformOrigin="0.5,0.5"/>
<Ellipse Width="110" Fill="#68FFFFFF"
Height="110" HorizontalAlignment="Left" Margin="-30,-30,0,0" RenderTransformOrigin="0.5,0.5"/>
<Ellipse Width="70" Fill="#68FFFFFF"
Height="70" HorizontalAlignment="Left" Margin="-10,-10,0,0" RenderTransformOrigin="0.5,0.5"/>
<Ellipse x:Name="EllipsePoint" Width="30"
Height="30" HorizontalAlignment="Left" Margin="10,0,0,0" RenderTransformOrigin="0.5,0.5">
<Ellipse.Fill>
<LinearGradientBrush EndPoint="1,1" StartPoint="0,0">
<GradientStop Color="#FFF5EA7E" Offset="0"/>
<GradientStop Color="#FFF3EC9A" Offset="0.269"/>
<GradientStop Color="#FFF5E42E" Offset="0.992"/>
<GradientStop Color="#FFF5E42E" Offset="0.406"/>
</LinearGradientBrush>
</Ellipse.Fill>
<Ellipse.RenderTransform>
<TransformGroup>
<TranslateTransform x:Name="EllipseTrans"/>
</TransformGroup>
</Ellipse.RenderTransform>
</Ellipse>
</Grid>
<Grid x:Name="IconGrid">
<Grid x:Name="SunCloudGrid" RenderTransformOrigin="0.5,0.5">
<!--<icon:PackIconFontAwesome Kind="CloudSunSolid" Width="60" Height="60" Foreground="#63FFFFFF" Margin="93,-4,0,0"/>
<icon:PackIconFontAwesome Kind="CloudSunSolid" Width="60" Height="60" Foreground="White" Margin="91,-2,0,0"/>-->
<Path Data="M140.03649,0.5 C174.31957,0.50000232 203.22716,23.515192 212.1514,54.937693 L212.51482,56.280714 214.71126,56.336253 C239.58215,57.59696 259.35999,78.161799 259.35999,103.346 259.35999,105.78318 259.17478,108.1771 258.81763,110.51445 L258.76218,110.825 0.54577836,110.825 0.5,109.01451 C0.50000128,84.43841 17.309905,63.788485 40.059072,57.935381 L42.277143,57.423453 42.711332,56.870943 C50.90431,46.943346 62.38323,39.82807 75.483003,37.190188 L75.597009,37.168902 75.929994,36.589796 C89.076753,14.953116 112.86878,0.50000232 140.03649,0.5 z"
Fill="White" Stretch="Fill" Width="100" Height="40" Margin="70,10,0,0" Stroke="LightBlue"/>
<Path Data="M170.52264,0.5 C219.33329,0.50000092 258.90214,36.481308 258.90214,80.866501 L258.90031,81.006393 260.1909,81.235977 C284.46287,86.183579 302.72114,107.57654 302.72114,133.2175 302.72114,138.71199 301.88276,144.01141 300.32645,148.99577 L300.09232,149.685 0.5,149.685 0.65243936,147.48024 C2.8387119,123.8002 21.045399,104.93561 43.97329,102.53514 L45.555958,102.41107 45.977451,101.19357 C51.924091,84.76516 65.185784,71.106079 82.4888,63.029331 L84.567932,62.114323 84.92556,60.781658 C94.734032,26.115599 129.33865,0.50000098 170.52264,0.5 z"
Fill="White" Stretch="Fill" Width="60" Height="25" Margin="30,25,0,0" Stroke="LightBlue"/>
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Fill="White" Stretch="Fill" Width="60" Height="25" Margin="70,33,0,0" Stroke="LightBlue"/>
</Grid>
<Grid x:Name="MoonCloudGrid" Margin="0 250 0 0" RenderTransformOrigin="0.5,0.5" >
<Path Data="M259.3 17.8L194 150.2 47.9 171.5c-26.2 3.8-36.7 36.1-17.7 54.6l105.7 103-25 145.5c-4.5 26.3 23.2 46 46.4 33.7L288 439.6l130.7 68.7c23.2 12.2 50.9-7.4 46.4-33.7l-25-145.5 105.7-103c19-18.5 8.5-50.8-17.7-54.6L382 150.2 316.7 17.8c-11.7-23.6-45.6-23.9-57.4 0z"
Width="10" Height="10" Stretch="Fill" Fill="White" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="50,-5,0,0"/>
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Width="10" Height="10" Stretch="Fill" Fill="White" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="70,5,0,0"/>
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Width="10" Height="10" Stretch="Fill" Fill="White" HorizontalAlignment="Left" VerticalAlignment="Top" Margin="55,18,0,0"/>
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Width="40" Height="40" Stretch="Fill" Fill="White" HorizontalAlignment="Left" Margin="10,-12,0,0"/>
</Grid>
</Grid>
</Grid>
</Border>
</Grid>
</Viewbox>
</Grid>
</UserControl>C#
csharp
public partial class AnimationSwitch : UserControl
{
public AnimationSwitch()
{
InitializeComponent();
}
public bool IsChecked
{
get { return (bool)GetValue(IsCheckedProperty); }
set { SetValue(IsCheckedProperty, value); }
}
// Using a DependencyProperty as the backing store for IsChecked. This enables animation, styling, binding, etc...
public static readonly DependencyProperty IsCheckedProperty =
DependencyProperty.Register("IsChecked", typeof(bool), typeof(AnimationSwitch), new PropertyMetadata(false));
private void Grid_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
{
if (!IsChecked)
{
Storyboard sb = new Storyboard();
DoubleAnimation daStart = new DoubleAnimation(-10, new Duration(TimeSpan.FromMilliseconds(200)));
sb.Children.Add(daStart);
DoubleAnimation daToRight = new DoubleAnimation(90, new Duration(TimeSpan.FromMilliseconds(250)))
{
BeginTime = TimeSpan.FromMilliseconds(200),
EasingFunction = new CubicEase() { EasingMode = EasingMode.EaseOut }
};
sb.Children.Add(daToRight);
Storyboard.SetTarget(daStart, EllipseGrid);
Storyboard.SetTargetProperty(daStart, new PropertyPath("RenderTransform.Children[0].X"));
Storyboard.SetTarget(daToRight, EllipseGrid);
Storyboard.SetTargetProperty(daToRight, new PropertyPath("RenderTransform.Children[0].X"));
sb.Begin();
ThicknessAnimation daIcon = new ThicknessAnimation(new Thickness(0, -240, 0, 0), new Duration(TimeSpan.FromMilliseconds(400)));
daIcon.EasingFunction = new CubicEase() { EasingMode = EasingMode.EaseOut };
IconGrid.BeginAnimation(MarginProperty, daIcon);
Storyboard toDark = FindResource("ToDark") as Storyboard;
toDark.Begin();
Storyboard EllipseColorDark = FindResource("EllipseColorDark") as Storyboard;
EllipseColorDark.Begin();
}
else
{
Storyboard sb = new Storyboard();
DoubleAnimation daStart = new DoubleAnimation(98, new Duration(TimeSpan.FromMilliseconds(200)));
sb.Children.Add(daStart);
DoubleAnimation daToRight = new DoubleAnimation(0, new Duration(TimeSpan.FromMilliseconds(250)))
{
BeginTime = TimeSpan.FromMilliseconds(200),
EasingFunction = new CubicEase() { EasingMode = EasingMode.EaseOut }
};
sb.Children.Add(daToRight);
Storyboard.SetTarget(daStart, EllipseGrid);
Storyboard.SetTargetProperty(daStart, new PropertyPath("RenderTransform.Children[0].X"));
Storyboard.SetTarget(daToRight, EllipseGrid);
Storyboard.SetTargetProperty(daToRight, new PropertyPath("RenderTransform.Children[0].X"));
sb.Begin();
ThicknessAnimation daIcon = new ThicknessAnimation(new Thickness(0), new Duration(TimeSpan.FromMilliseconds(400)));
daIcon.EasingFunction = new CubicEase() { EasingMode = EasingMode.EaseOut };
IconGrid.BeginAnimation(MarginProperty, daIcon);
Storyboard toLight = FindResource("ToLight") as Storyboard;
toLight.Begin();
Storyboard EllipseColorLight = FindResource("EllipseColorLight") as Storyboard;
EllipseColorLight.Begin();
}
IsChecked = !IsChecked;
}
}