diff --git a/5-17.4改变属性触发器/5-17.4改变属性触发器.csproj b/5-17.4改变属性触发器/5-17.4改变属性触发器.csproj
new file mode 100644
index 0000000..5f64633
--- /dev/null
+++ b/5-17.4改变属性触发器/5-17.4改变属性触发器.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <RootNamespace>_5_17._4改变属性触发器</RootNamespace>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+</Project>
diff --git a/5-17.4改变属性触发器/App.xaml b/5-17.4改变属性触发器/App.xaml
new file mode 100644
index 0000000..216c8c5
--- /dev/null
+++ b/5-17.4改变属性触发器/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="_5_17._4改变属性触发器.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:_5_17._4改变属性触发器"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/5-17.4改变属性触发器/App.xaml.cs b/5-17.4改变属性触发器/App.xaml.cs
new file mode 100644
index 0000000..a95648f
--- /dev/null
+++ b/5-17.4改变属性触发器/App.xaml.cs
@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace _5_17._4改变属性触发器;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
\ No newline at end of file
diff --git a/5-17.4改变属性触发器/AssemblyInfo.cs b/5-17.4改变属性触发器/AssemblyInfo.cs
new file mode 100644
index 0000000..4a05c7d
--- /dev/null
+++ b/5-17.4改变属性触发器/AssemblyInfo.cs
@@ -0,0 +1,10 @@
+using System.Windows;
+
+[assembly: ThemeInfo(
+    ResourceDictionaryLocation.None, //where theme specific resource dictionaries are located
+    //(used if a resource is not found in the page,
+    // or application resource dictionaries)
+    ResourceDictionaryLocation.SourceAssembly //where the generic resource dictionary is located
+    //(used if a resource is not found in the page,
+    // app, or any theme specific resource dictionaries)
+)]
\ No newline at end of file
diff --git a/5-17.4改变属性触发器/MainWindow.xaml b/5-17.4改变属性触发器/MainWindow.xaml
new file mode 100644
index 0000000..8d5fdb6
--- /dev/null
+++ b/5-17.4改变属性触发器/MainWindow.xaml
@@ -0,0 +1,28 @@
+<Window x:Class="_5_17._4改变属性触发器.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"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Window.Resources>
+        <ControlTemplate x:Key="ButtonControlTemplate" TargetType="{x:Type Button}">
+            <Border Name="Border" BorderBrush="Orange" BorderThickness="3" CornerRadius="2" Background="BlueViolet"
+                    TextBlock.Foreground="White">
+                <ContentPresenter RecognizesAccessKey="True" Margin="{TemplateBinding Padding}" />
+            </Border>
+
+            <ControlTemplate.Triggers>
+                <Trigger Property="IsMouseOver" Value="True">
+                    <Setter TargetName="Border" Property="Background" Value="DarkRed" />
+                </Trigger>
+                <Trigger Property="IsPressed" Value="True">
+                    <Setter TargetName="Border" Property="Background" Value="DarkKhaki" />
+                </Trigger>
+            </ControlTemplate.Triggers>
+        </ControlTemplate>
+    </Window.Resources>
+    <StackPanel>
+        <Button Template="{StaticResource ButtonControlTemplate}" Margin="15" Padding="15">按钮</Button>
+    </StackPanel>
+</Window>
\ No newline at end of file
diff --git a/5-17.4改变属性触发器/MainWindow.xaml.cs b/5-17.4改变属性触发器/MainWindow.xaml.cs
new file mode 100644
index 0000000..3f36e2a
--- /dev/null
+++ b/5-17.4改变属性触发器/MainWindow.xaml.cs
@@ -0,0 +1,23 @@
+using System.Text;
+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 _5_17._4改变属性触发器;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+}
\ No newline at end of file
diff --git a/5-WPF模板和自定义元素.sln b/5-WPF模板和自定义元素.sln
index 42bbdd7..48cbb58 100644
--- a/5-WPF模板和自定义元素.sln
+++ b/5-WPF模板和自定义元素.sln
@@ -6,6 +6,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "5-17.1理解逻辑树和可
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "5-17.3创建控件模板", "5-17.3创建控件模板\5-17.3创建控件模板.csproj", "{126C42EA-CC67-4FDA-8839-374F57C667DB}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "5-17.4改变属性触发器", "5-17.4改变属性触发器\5-17.4改变属性触发器.csproj", "{A9E35059-C6E4-4539-B78C-03DD9737D1E3}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -24,5 +26,9 @@ Global
 		{126C42EA-CC67-4FDA-8839-374F57C667DB}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{126C42EA-CC67-4FDA-8839-374F57C667DB}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{126C42EA-CC67-4FDA-8839-374F57C667DB}.Release|Any CPU.Build.0 = Release|Any CPU
+		{A9E35059-C6E4-4539-B78C-03DD9737D1E3}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{A9E35059-C6E4-4539-B78C-03DD9737D1E3}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{A9E35059-C6E4-4539-B78C-03DD9737D1E3}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{A9E35059-C6E4-4539-B78C-03DD9737D1E3}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal