diff --git a/WPF基础-6-Grid3/App.xaml b/WPF基础-6-Grid3/App.xaml
new file mode 100644
index 0000000..c989f7f
--- /dev/null
+++ b/WPF基础-6-Grid3/App.xaml
@@ -0,0 +1,9 @@
+<Application x:Class="WPF基础_6_Grid3.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WPF基础_6_Grid3"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+         
+    </Application.Resources>
+</Application>
diff --git a/WPF基础-6-Grid3/App.xaml.cs b/WPF基础-6-Grid3/App.xaml.cs
new file mode 100644
index 0000000..73b1122
--- /dev/null
+++ b/WPF基础-6-Grid3/App.xaml.cs
@@ -0,0 +1,12 @@
+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace WPF基础_6_Grid3;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
\ No newline at end of file
diff --git a/WPF基础-6-Grid3/AssemblyInfo.cs b/WPF基础-6-Grid3/AssemblyInfo.cs
new file mode 100644
index 0000000..4a05c7d
--- /dev/null
+++ b/WPF基础-6-Grid3/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基础-6-Grid3/MainWindow.xaml b/WPF基础-6-Grid3/MainWindow.xaml
new file mode 100644
index 0000000..3c60a06
--- /dev/null
+++ b/WPF基础-6-Grid3/MainWindow.xaml
@@ -0,0 +1,30 @@
+<Window x:Class="WPF基础_6_Grid3.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">
+    <Grid ShowGridLines="True">
+        <Grid.RowDefinitions>
+            <RowDefinition Height="*" />
+            <RowDefinition Height="2*" />
+        </Grid.RowDefinitions>
+        <Grid.ColumnDefinitions>
+            <ColumnDefinition Width="100" />
+            <ColumnDefinition Width="Auto" />
+            <ColumnDefinition Width="*" />
+            <ColumnDefinition Width="2*" />
+        </Grid.ColumnDefinitions>
+
+        <Button Grid.Row="0" Grid.Column="0">0</Button>
+        <Button Grid.Row="0" Grid.Column="1">1</Button>
+        <Button Grid.Row="0" Grid.Column="2">2</Button>
+        <Button Grid.Row="0" Grid.Column="3">3</Button>
+
+        <Button Grid.Row="1" Grid.Column="0">4</Button>
+        <Button Grid.Row="1" Grid.Column="1">5</Button>
+        <Button Grid.Row="1" Grid.Column="2">6</Button>
+        <Button Grid.Row="1" Grid.Column="3">7</Button>
+    </Grid>
+</Window>
\ No newline at end of file
diff --git a/WPF基础-6-Grid3/MainWindow.xaml.cs b/WPF基础-6-Grid3/MainWindow.xaml.cs
new file mode 100644
index 0000000..f788b97
--- /dev/null
+++ b/WPF基础-6-Grid3/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 WPF基础_6_Grid3;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+}
\ No newline at end of file
diff --git a/WPF基础-6-Grid3/WPF基础-6-Grid3.csproj b/WPF基础-6-Grid3/WPF基础-6-Grid3.csproj
new file mode 100644
index 0000000..d85de78
--- /dev/null
+++ b/WPF基础-6-Grid3/WPF基础-6-Grid3.csproj
@@ -0,0 +1,12 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+    <PropertyGroup>
+        <OutputType>WinExe</OutputType>
+        <TargetFramework>net8.0-windows</TargetFramework>
+        <RootNamespace>WPF基础_6_Grid3</RootNamespace>
+        <Nullable>enable</Nullable>
+        <ImplicitUsings>enable</ImplicitUsings>
+        <UseWPF>true</UseWPF>
+    </PropertyGroup>
+
+</Project>
diff --git a/WPF基础.sln b/WPF基础.sln
index 00037a6..f6206b5 100644
--- a/WPF基础.sln
+++ b/WPF基础.sln
@@ -26,6 +26,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF基础-6-Grid1", "WPF基
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF基础-6-Grid2", "WPF基础-6-Grid2\WPF基础-6-Grid2.csproj", "{ECAC5E4B-C429-4F50-B80C-3E7C7F909CED}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WPF基础-6-Grid3", "WPF基础-6-Grid3\WPF基础-6-Grid3.csproj", "{DC6F14C5-2661-40F7-B57B-5BF5B1D7058C}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -84,5 +86,9 @@ Global
 		{ECAC5E4B-C429-4F50-B80C-3E7C7F909CED}.Debug|Any CPU.Build.0 = Debug|Any CPU
 		{ECAC5E4B-C429-4F50-B80C-3E7C7F909CED}.Release|Any CPU.ActiveCfg = Release|Any CPU
 		{ECAC5E4B-C429-4F50-B80C-3E7C7F909CED}.Release|Any CPU.Build.0 = Release|Any CPU
+		{DC6F14C5-2661-40F7-B57B-5BF5B1D7058C}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{DC6F14C5-2661-40F7-B57B-5BF5B1D7058C}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{DC6F14C5-2661-40F7-B57B-5BF5B1D7058C}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{DC6F14C5-2661-40F7-B57B-5BF5B1D7058C}.Release|Any CPU.Build.0 = Release|Any CPU
 	EndGlobalSection
 EndGlobal