前端代码
1 <Window x:Class="WpfApp2.Window3"
2 xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
3 xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
4 xmlns:d="http://schemas.microsoft.com/expression/blend/2008"
5 xmlns:mc="http://schemas.openxmlformats.org/markup-compatibility/2006"
6 xmlns:local="clr-namespace:WpfApp2"
7 mc:Ignorable="d"
8 Title="Window3" Height="450" Width="800">
9 <Grid>
10 <StackPanel>
11 <TextBlock Margin="5"
12 Text="test"
13 FontSize="28"
14 FontWeight="Bold">
15 <TextBlock.Foreground>
16 <SolidColorBrush Color="Black"/>
17 </TextBlock.Foreground>
18 <TextBlock.Style>
19 <Style TargetType="TextBlock">
20 <Style.Triggers>
21 <EventTrigger RoutedEvent="TextBlock.MouseEnter">
22 <EventTrigger.Actions>
23 <BeginStoryboard Name="aa">
24 <Storyboard>
25 <ColorAnimation From="Black"
26 To="Red"
27 RepeatBehavior="Forever"
28 Duration="0:0:0.5"
29 Storyboard.TargetProperty="(TextBlock.Foreground).(SolidColorBrush.Color)" />
30 </Storyboard>
31 </BeginStoryboard>
32 </EventTrigger.Actions>
33 </EventTrigger>
34 <EventTrigger RoutedEvent="TextBlock.MouseLeave">
35 <EventTrigger.Actions>
36 <StopStoryboard BeginStoryboardName="aa"/>
37 </EventTrigger.Actions>
38 </EventTrigger>
39
40 <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:Window3},Path=IsSelected}" Value="true">
41 <DataTrigger.EnterActions>
42 <BeginStoryboard Name="bb">
43 <Storyboard>
44 <ColorAnimation From="Green"
45 To="Yellow"
46 RepeatBehavior="Forever"
47 Duration="0:0:0.5"
48 Storyboard.TargetProperty="(TextBlock.Foreground).(SolidColorBrush.Color)" />
49 </Storyboard>
50 </BeginStoryboard>
51 </DataTrigger.EnterActions>
52 </DataTrigger>
53 <DataTrigger Binding="{Binding RelativeSource={RelativeSource Mode=FindAncestor,AncestorType=local:Window3},Path=IsSelected}" Value="false">
54 <DataTrigger.EnterActions>
55 <StopStoryboard BeginStoryboardName="bb" />
56 </DataTrigger.EnterActions>
57 </DataTrigger>
58 </Style.Triggers>
59 </Style>
60 </TextBlock.Style>
61 </TextBlock>
62 </StackPanel>
63 </Grid>
64 </Window>
效果已经实现，后端代码协助调试，变量的绑定而已，模拟现实操心，2秒后绑定值变动
1 using System;
2 using System.Collections.Generic;
3 using System.Linq;
4 using System.Text;
5 using System.Threading;
6 using System.Threading.Tasks;
7 using System.Windows;
8 using System.Windows.Controls;
9 using System.Windows.Data;
10 using System.Windows.Documents;
11 using System.Windows.Input;
12 using System.Windows.Media;
13 using System.Windows.Media.Imaging;
14 using System.Windows.Shapes;
15
16 namespace WpfApp2
17 {
18 /// <summary>
19 /// Window3.xaml 的交互逻辑
20 /// </summary>
21 public partial class Window3 : Window
22 {
23 public Window3()
24 {
25 InitializeComponent();
26
27 Thread th = new System.Threading.Thread(() =>
28 {
29 while (true)
30 {
31 Thread.Sleep(2000);
32 Dispatcher.Invoke(() =>
33 {
34 IsSelected = true;
35 });
36 Thread.Sleep(3000);
37 Dispatcher.Invoke(() =>
38 {
39 IsSelected = false;
40 });
41 }
42 });
43 th.IsBackground = true;
44 th.Start();
45 }
46
47 public bool IsSelected
48 {
49 get { return (bool)GetValue(IsSelectedProperty); }
50 set { SetValue(IsSelectedProperty, value); }
51 }
52
53 public static readonly DependencyProperty IsSelectedProperty =
54 DependencyProperty.Register("IsSelected", typeof(bool), typeof(Window3), new PropertyMetadata(false));
55 }
56 }