WPF EventTrigger RoutedEvent Button.MouseEnter BeginStoryboard Storyboard DoubleAnimation TargetProperty Duration
//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); } } } }
分类:
wpf
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