diff --git a/WPF基础.sln b/WPF基础.sln
index 4b4e801..a71ec82 100644
--- a/WPF基础.sln
+++ b/WPF基础.sln
@@ -58,6 +58,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF路由事件-2-事件路
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF路由事件-3-冒泡路由事件", "WPF路由事件-3-冒泡路由事件\WPF路由事件-3-冒泡路由事件.csproj", "{9300CA90-12F2-418C-BA84-4A774716977C}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF路由事件-4-生命周期", "WPF路由事件-4-生命周期\WPF路由事件-4-生命周期.csproj", "{B5A965AA-9C4C-4EB3-8515-DF03F948EC14}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -180,5 +182,9 @@ Global
 		{9300CA90-12F2-418C-BA84-4A774716977C}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{9300CA90-12F2-418C-BA84-4A774716977C}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{9300CA90-12F2-418C-BA84-4A774716977C}.Release|Any CPU.Build.0 = Release|Any CPU
+		{B5A965AA-9C4C-4EB3-8515-DF03F948EC14}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{B5A965AA-9C4C-4EB3-8515-DF03F948EC14}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{B5A965AA-9C4C-4EB3-8515-DF03F948EC14}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{B5A965AA-9C4C-4EB3-8515-DF03F948EC14}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal
diff --git a/WPF路由事件-4-生命周期/App.xaml b/WPF路由事件-4-生命周期/App.xaml
new file mode 100644
index 0000000..6965474
--- /dev/null
+++ b/WPF路由事件-4-生命周期/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="WPF路由事件_4_生命周期.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WPF路由事件_4_生命周期"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/WPF路由事件-4-生命周期/App.xaml.cs b/WPF路由事件-4-生命周期/App.xaml.cs
new file mode 100644
index 0000000..1fdc28b
--- /dev/null
+++ b/WPF路由事件-4-生命周期/App.xaml.cs
@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace WPF路由事件_4_生命周期;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
\ No newline at end of file
diff --git a/WPF路由事件-4-生命周期/AssemblyInfo.cs b/WPF路由事件-4-生命周期/AssemblyInfo.cs
new file mode 100644
index 0000000..4a05c7d
--- /dev/null
+++ b/WPF路由事件-4-生命周期/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/WPF路由事件-4-生命周期/MainWindow.xaml b/WPF路由事件-4-生命周期/MainWindow.xaml
new file mode 100644
index 0000000..684eec2
--- /dev/null
+++ b/WPF路由事件-4-生命周期/MainWindow.xaml
@@ -0,0 +1,14 @@
+<Window x:Class="WPF路由事件_4_生命周期.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" SourceInitialized="MainWindow_OnSourceInitialized"
+        ContentRendered="MainWindow_OnContentRendered" Activated="MainWindow_OnActivated"
+        Deactivated="MainWindow_OnDeactivated" Closing="MainWindow_OnClosing" Closed="MainWindow_OnClosed">
+    <Grid Initialized="FrameworkElement_OnInitialized" Loaded="FrameworkElement_OnLoaded"
+          Unloaded="FrameworkElement_OnUnloaded">
+        <ListBox Name="ListBox" />
+    </Grid>
+</Window>
\ No newline at end of file
diff --git a/WPF路由事件-4-生命周期/MainWindow.xaml.cs b/WPF路由事件-4-生命周期/MainWindow.xaml.cs
new file mode 100644
index 0000000..36859d4
--- /dev/null
+++ b/WPF路由事件-4-生命周期/MainWindow.xaml.cs
@@ -0,0 +1,69 @@
+using System.ComponentModel;
+using System.Windows;
+
+namespace WPF路由事件_4_生命周期;
+
+/// <summary>
+///     Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+
+    private void FrameworkElement_OnInitialized(object? sender, EventArgs e)
+    {
+        Console.WriteLine("初始化。。。");
+        ListBox.Items.Add("初始化。。。");
+    }
+
+    private void MainWindow_OnSourceInitialized(object? sender, EventArgs e)
+    {
+        Console.WriteLine("主窗口开始初始化。。。");
+        ListBox.Items.Add("主窗口开始初始化。。。");
+    }
+
+    private void MainWindow_OnActivated(object? sender, EventArgs e)
+    {
+        Console.WriteLine("Activated...");
+        ListBox.Items.Add("Activated...");
+    }
+
+    private void FrameworkElement_OnUnloaded(object sender, RoutedEventArgs e)
+    {
+        Console.WriteLine("加载完成。。。");
+        ListBox.Items.Add("加载完成。。。");
+    }
+
+    private void FrameworkElement_OnLoaded(object sender, RoutedEventArgs e)
+    {
+        Console.WriteLine("开始加载。。。");
+        ListBox.Items.Add("开始加载。。。");
+    }
+
+    private void MainWindow_OnContentRendered(object? sender, EventArgs e)
+    {
+        Console.WriteLine("主窗口---MainWindow_OnContentRendered");
+        ListBox.Items.Add("主窗口---MainWindow_OnContentRendered");
+    }
+
+    private void MainWindow_OnClosing(object? sender, CancelEventArgs e)
+    {
+        Console.WriteLine("Closing...");
+        ListBox.Items.Add("Closing...");
+    }
+
+    private void MainWindow_OnDeactivated(object? sender, EventArgs e)
+    {
+        Console.WriteLine("Deactivated...");
+        ListBox.Items.Add("Deactivated...");
+    }
+
+    private void MainWindow_OnClosed(object? sender, EventArgs e)
+    {
+        Console.WriteLine("Closed...");
+        ListBox.Items.Add("Closed...");
+    }
+}
\ No newline at end of file
diff --git a/WPF路由事件-4-生命周期/WPF路由事件-4-生命周期.csproj b/WPF路由事件-4-生命周期/WPF路由事件-4-生命周期.csproj
new file mode 100644
index 0000000..b19828c
--- /dev/null
+++ b/WPF路由事件-4-生命周期/WPF路由事件-4-生命周期.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <RootNamespace>WPF路由事件_4_生命周期</RootNamespace>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+</Project>