diff --git a/12-形状画刷和变换-15BitmapCacheBrush/12-形状画刷和变换-15BitmapCacheBrush.csproj b/12-形状画刷和变换-15BitmapCacheBrush/12-形状画刷和变换-15BitmapCacheBrush.csproj
new file mode 100644
index 0000000..0de0d7c
--- /dev/null
+++ b/12-形状画刷和变换-15BitmapCacheBrush/12-形状画刷和变换-15BitmapCacheBrush.csproj
@@ -0,0 +1,18 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <RootNamespace>_12_形状画刷和变换_15BitmapCacheBrush</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/12-形状画刷和变换-15BitmapCacheBrush/App.xaml b/12-形状画刷和变换-15BitmapCacheBrush/App.xaml
new file mode 100644
index 0000000..93dbde1
--- /dev/null
+++ b/12-形状画刷和变换-15BitmapCacheBrush/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="_12_形状画刷和变换_15BitmapCacheBrush.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:_12_形状画刷和变换_15BitmapCacheBrush"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/12-形状画刷和变换-15BitmapCacheBrush/App.xaml.cs b/12-形状画刷和变换-15BitmapCacheBrush/App.xaml.cs
new file mode 100644
index 0000000..9ea629f
--- /dev/null
+++ b/12-形状画刷和变换-15BitmapCacheBrush/App.xaml.cs
@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace _12_形状画刷和变换_15BitmapCacheBrush;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
\ No newline at end of file
diff --git a/12-形状画刷和变换-15BitmapCacheBrush/AssemblyInfo.cs b/12-形状画刷和变换-15BitmapCacheBrush/AssemblyInfo.cs
new file mode 100644
index 0000000..4a05c7d
--- /dev/null
+++ b/12-形状画刷和变换-15BitmapCacheBrush/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/12-形状画刷和变换-15BitmapCacheBrush/MainWindow.xaml b/12-形状画刷和变换-15BitmapCacheBrush/MainWindow.xaml
new file mode 100644
index 0000000..a92f175
--- /dev/null
+++ b/12-形状画刷和变换-15BitmapCacheBrush/MainWindow.xaml
@@ -0,0 +1,17 @@
+<Window x:Class="_12_形状画刷和变换_15BitmapCacheBrush.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="12-形状画刷和变换-15BitmapCacheBrush" Height="450" Width="800">
+    <StackPanel>
+        <Button Name="ButtonCmd" Margin="3" Padding="15 5" BorderBrush="Aqua">复制按钮外观</Button>
+
+        <Rectangle Margin="3" Height="100">
+            <Rectangle.Fill>
+                <BitmapCacheBrush Target="{Binding ElementName=ButtonCmd}" BitmapCache="BitmapCache" />
+            </Rectangle.Fill>
+        </Rectangle>
+    </StackPanel>
+</Window>
\ No newline at end of file
diff --git a/12-形状画刷和变换-15BitmapCacheBrush/MainWindow.xaml.cs b/12-形状画刷和变换-15BitmapCacheBrush/MainWindow.xaml.cs
new file mode 100644
index 0000000..5e1d271
--- /dev/null
+++ b/12-形状画刷和变换-15BitmapCacheBrush/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 _12_形状画刷和变换_15BitmapCacheBrush;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+}
\ No newline at end of file
diff --git a/12-形状画刷和变换-15BitmapCacheBrush/public/003540AH4M72.jpg b/12-形状画刷和变换-15BitmapCacheBrush/public/003540AH4M72.jpg
new file mode 100644
index 0000000..4aa96ac
Binary files /dev/null and b/12-形状画刷和变换-15BitmapCacheBrush/public/003540AH4M72.jpg differ
diff --git a/4-图形和动画.sln b/4-图形和动画.sln
index 25a512e..af2b8ea 100644
--- a/4-图形和动画.sln
+++ b/4-图形和动画.sln
@@ -34,6 +34,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "12-形状画刷和变换-13
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "12-形状画刷和变换-14VisualBrush", "12-形状画刷和变换-14VisualBrush\12-形状画刷和变换-14VisualBrush.csproj", "{D3BFDE8F-3AA6-4EAE-ADD4-C57DEB09DD06}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "12-形状画刷和变换-15BitmapCacheBrush", "12-形状画刷和变换-15BitmapCacheBrush\12-形状画刷和变换-15BitmapCacheBrush.csproj", "{EF6B4B53-121F-4B88-8905-D78A9B6E84DB}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -108,5 +110,9 @@ Global
 		{D3BFDE8F-3AA6-4EAE-ADD4-C57DEB09DD06}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{D3BFDE8F-3AA6-4EAE-ADD4-C57DEB09DD06}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{D3BFDE8F-3AA6-4EAE-ADD4-C57DEB09DD06}.Release|Any CPU.Build.0 = Release|Any CPU
+		{EF6B4B53-121F-4B88-8905-D78A9B6E84DB}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{EF6B4B53-121F-4B88-8905-D78A9B6E84DB}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{EF6B4B53-121F-4B88-8905-D78A9B6E84DB}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{EF6B4B53-121F-4B88-8905-D78A9B6E84DB}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal