WPF EventTrigger RoutedEvent Button.MouseEnter BeginStoryboard Storyboard DoubleAnimation TargetProperty Duration

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//xaml
<Window x:Class="WpfApp117.MainWindow"
        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:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
        xmlns:local="clr-namespace:WpfApp117"
        WindowState="Maximized"
        mc:Ignorable="d"
        Title="MainWindow" Height="450" Width="800">
    <Window.Resources>
        <Style TargetType="{x:Type Button}">
            <Setter Property="VerticalAlignment" Value="Bottom"/>
            <Setter Property="LayoutTransform">
                <Setter.Value>
                    <ScaleTransform/>
                </Setter.Value>
            </Setter>
            <Style.Triggers>
                <EventTrigger RoutedEvent="Button.MouseEnter">
                    <EventTrigger.Actions>
                        <BeginStoryboard>
                            <Storyboard>
                                <DoubleAnimation Storyboard.TargetProperty="LayoutTransform.ScaleX"
                                                 To="20"
                                                 Duration="0:0:0.25"/>
                                <DoubleAnimation Storyboard.TargetProperty="LayoutTransform.ScaleY"
                                                 To="20"
                                                 Duration="0:0:0.25"/>
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger.Actions>
                </EventTrigger>
                <EventTrigger RoutedEvent="Button.MouseLeave">
                    <EventTrigger.Actions>
                        <BeginStoryboard>
                            <Storyboard>
                                <DoubleAnimation Storyboard.TargetProperty="LayoutTransform.ScaleX"
                                                 To="1"
                                                 Duration="0:0:0.25"/>
                                <DoubleAnimation Storyboard.TargetProperty="LayoutTransform.ScaleY"
                                                 To="1"
                                                 Duration="0:0:0.25"/>
                            </Storyboard>
                        </BeginStoryboard>
                    </EventTrigger.Actions>
                </EventTrigger>
            </Style.Triggers>
        </Style>
    </Window.Resources>
    <StackPanel Orientation="Horizontal" x:Name="stk">
        
    </StackPanel>
</Window>


//cs
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
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;

namespace WpfApp117
{
    /// <summary>
    /// Interaction logic for MainWindow.xaml
    /// </summary>
    public partial class MainWindow : Window
    {
        public MainWindow()
        {
            InitializeComponent();
            InitButtons();
        }

        private void InitButtons()
        {
            for(int i=0;i<100;i++)
            {
                Button btn = new Button();
                btn.Content=(i+1).ToString();
                stk.Children.Add(btn);
            }
        }
    }
}
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posted @   FredGrit  阅读(3)  评论(0编辑  收藏  举报
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