使用用户控件，继承Button
前端代码
<Button x:Class="WpfApp1.SuperButton"xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"xmlns:d="http://schemas.microsoft.com/expression/blend/2008"xmlns:local="clr-namespace:WpfApp1"xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"d:DesignHeight="450" d:DesignWidth="800"mc:Ignorable="d"><Button.Template><ControlTemplate TargetType="Button"><Border BorderBrush="{TemplateBinding BorderBrush}" CornerRadius="5"><Border.Style><Style TargetType="Border"><Style.Triggers><Trigger Property="IsMouseOver" Value="True"><Setter Property="Effect"><Setter.Value><DropShadowEffect Direction="-90" Opacity="0.5"ShadowDepth="1" Color="Gray" /></Setter.Value></Setter></Trigger><Trigger Property="IsMouseOver" Value="False"><Setter Property="Effect"><Setter.Value><DropShadowEffect Direction="0" Opacity="0"ShadowDepth="0" /></Setter.Value></Setter></Trigger></Style.Triggers></Style></Border.Style><Grid Background="{TemplateBinding Background}"ClipToBounds="True"MouseLeftButtonDown="Grid_MouseLeftButtonDown"><ContentPresenter HorizontalAlignment="{TemplateBinding HorizontalContentAlignment}"VerticalAlignment="{TemplateBinding VerticalContentAlignment}"Content="{TemplateBinding Content}" /><Path x:Name="MyPath" Fill="Black"><Path.Data><EllipseGeometry x:Name="MyEll" RadiusY="{Binding RelativeSource={RelativeSource Mode=Self}, Path=RadiusX}" /></Path.Data></Path></Grid></Border></ControlTemplate></Button.Template>
</Button>后端代码
/// <summary>/// SuperButton.xaml 的交互逻辑/// </summary>public partial class SuperButton : Button{public SuperButton(){InitializeComponent();}private void Grid_MouseLeftButtonDown(object sender, MouseButtonEventArgs e){var circle = Template.FindName("MyEll", this) as EllipseGeometry;circle.Center = Mouse.GetPosition(this);var path = Template.FindName("MyPath", this) as Path;DoubleAnimation animation1 = new DoubleAnimation(){From = 0,To = 150,Duration = new Duration(TimeSpan.FromSeconds(0.3)),};circle.BeginAnimation(EllipseGeometry.RadiusXProperty, animation1);DoubleAnimation animation2 = new DoubleAnimation(){From = 0.3,To = 0,Duration = new Duration(TimeSpan.FromSeconds(0.3)),};path.BeginAnimation(Path.OpacityProperty, animation2);}}
)
