diff --git a/WPF控件.sln b/WPF控件.sln
index 7c5543e..1162007 100644
--- a/WPF控件.sln
+++ b/WPF控件.sln
@@ -48,6 +48,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF绑定元素-1-示例",
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF绑定元素-1-代码模式的绑定", "WPF绑定元素-1-代码模式的绑定\WPF绑定元素-1-代码模式的绑定.csproj", "{715FDA75-3236-4011-B1DA-46BD3EAFBA37}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF绑定元素-2-代码检索绑定", "WPF绑定元素-2-代码检索绑定\WPF绑定元素-2-代码检索绑定.csproj", "{5797E06A-32B3-4F16-BC46-D88C8E5A5F48}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -150,5 +152,9 @@ Global
 		{715FDA75-3236-4011-B1DA-46BD3EAFBA37}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{715FDA75-3236-4011-B1DA-46BD3EAFBA37}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{715FDA75-3236-4011-B1DA-46BD3EAFBA37}.Release|Any CPU.Build.0 = Release|Any CPU
+		{5797E06A-32B3-4F16-BC46-D88C8E5A5F48}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{5797E06A-32B3-4F16-BC46-D88C8E5A5F48}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{5797E06A-32B3-4F16-BC46-D88C8E5A5F48}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{5797E06A-32B3-4F16-BC46-D88C8E5A5F48}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal
diff --git a/WPF绑定元素-2-代码检索绑定/App.xaml b/WPF绑定元素-2-代码检索绑定/App.xaml
new file mode 100644
index 0000000..686b1bf
--- /dev/null
+++ b/WPF绑定元素-2-代码检索绑定/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="WPF绑定元素_2_代码检索绑定.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WPF绑定元素_2_代码检索绑定"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/WPF绑定元素-2-代码检索绑定/App.xaml.cs b/WPF绑定元素-2-代码检索绑定/App.xaml.cs
new file mode 100644
index 0000000..c403390
--- /dev/null
+++ b/WPF绑定元素-2-代码检索绑定/App.xaml.cs
@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace WPF绑定元素_2_代码检索绑定;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
\ No newline at end of file
diff --git a/WPF绑定元素-2-代码检索绑定/AssemblyInfo.cs b/WPF绑定元素-2-代码检索绑定/AssemblyInfo.cs
new file mode 100644
index 0000000..4a05c7d
--- /dev/null
+++ b/WPF绑定元素-2-代码检索绑定/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绑定元素-2-代码检索绑定/MainWindow.xaml b/WPF绑定元素-2-代码检索绑定/MainWindow.xaml
new file mode 100644
index 0000000..cac4f2d
--- /dev/null
+++ b/WPF绑定元素-2-代码检索绑定/MainWindow.xaml
@@ -0,0 +1,21 @@
+<Window x:Class="WPF绑定元素_2_代码检索绑定.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"
+        Icon="public/003540AH4M72.jpg" Title="WPF绑定元素_2_代码检索绑定" Height="450" Width="800">
+    <StackPanel Margin="20" Cursor="No">
+        <Slider Name="TextBlockSlider" Value="10" Maximum="100" Minimum="1" SmallChange="2" LargeChange="5"
+                TickPlacement="BottomRight" TickFrequency="5" IsSelectionRangeEnabled="True" />
+
+        <TextBlock Margin="10" Text="简单的文字" Name="SampleTextBlock"
+                   FontSize="{Binding ElementName=TextBlockSlider,Path=Value,Mode=TwoWay}" />
+
+
+        <WrapPanel>
+            <Button Margin="5 0" Padding="15 5" Click="ButtonBase_OnClick">获取内容</Button>
+            <Button Margin="5 0" Padding="15 5" Name="ExpressionButton" Click="ExpressionButton_OnClick">获取绑定参数</Button>
+        </WrapPanel>
+    </StackPanel>
+</Window>
\ No newline at end of file
diff --git a/WPF绑定元素-2-代码检索绑定/MainWindow.xaml.cs b/WPF绑定元素-2-代码检索绑定/MainWindow.xaml.cs
new file mode 100644
index 0000000..655d05d
--- /dev/null
+++ b/WPF绑定元素-2-代码检索绑定/MainWindow.xaml.cs
@@ -0,0 +1,30 @@
+using System.Windows;
+using System.Windows.Controls;
+using System.Windows.Data;
+
+namespace WPF绑定元素_2_代码检索绑定;
+
+/// <summary>
+///     Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+
+    private void ButtonBase_OnClick(object sender, RoutedEventArgs e)
+    {
+        var binding = BindingOperations.GetBinding(SampleTextBlock, TextBlock.FontSizeProperty);
+        Console.WriteLine(binding);
+    }
+
+    private void ExpressionButton_OnClick(object sender, RoutedEventArgs e)
+    {
+        var bindingExpression = BindingOperations.GetBindingExpression(SampleTextBlock, TextBlock.FontSizeProperty);
+        var resolvedSource = (Slider)bindingExpression!.ResolvedSource;
+        var sourceFontSize = resolvedSource.FontSize;
+        Console.WriteLine(sourceFontSize);
+    }
+}
\ No newline at end of file
diff --git a/WPF绑定元素-2-代码检索绑定/WPF绑定元素-2-代码检索绑定.csproj b/WPF绑定元素-2-代码检索绑定/WPF绑定元素-2-代码检索绑定.csproj
new file mode 100644
index 0000000..6422a80
--- /dev/null
+++ b/WPF绑定元素-2-代码检索绑定/WPF绑定元素-2-代码检索绑定.csproj
@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <RootNamespace>WPF绑定元素_2_代码检索绑定</RootNamespace>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+    <ItemGroup>
+        <Resource Include="public\003540AH4M72.jpg">
+            <CopyToOutputDirectory>Always</CopyToOutputDirectory>
+        </Resource>
+    </ItemGroup>
+
+</Project>
diff --git a/WPF绑定元素-2-代码检索绑定/public/003540AH4M72.jpg b/WPF绑定元素-2-代码检索绑定/public/003540AH4M72.jpg
new file mode 100644
index 0000000..4aa96ac
Binary files /dev/null and b/WPF绑定元素-2-代码检索绑定/public/003540AH4M72.jpg differ