尝试添加字符串辅助类

src/Common/Common.sln

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+
+Microsoft Visual Studio Solution File, Format Version 12.00
+# Visual Studio Version 17
+VisualStudioVersion = 17.0.31903.59
+MinimumVisualStudioVersion = 10.0.40219.1
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "Core", "Core\Core.csproj", "{F1E5BC9E-0822-4012-A91D-E4D483D638CE}"
+EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "WpfHelp", "WpfHelp\WpfHelp.csproj", "{581B74CB-EC73-41AA-8283-3FC036A6BFEF}"
+EndProject
+Global
+	GlobalSection(SolutionConfigurationPlatforms) = preSolution
+		Debug|Any CPU = Debug|Any CPU
+		Release|Any CPU = Release|Any CPU
+	EndGlobalSection
+	GlobalSection(SolutionProperties) = preSolution
+		HideSolutionNode = FALSE
+	EndGlobalSection
+	GlobalSection(ProjectConfigurationPlatforms) = postSolution
+		{F1E5BC9E-0822-4012-A91D-E4D483D638CE}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{F1E5BC9E-0822-4012-A91D-E4D483D638CE}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{F1E5BC9E-0822-4012-A91D-E4D483D638CE}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{F1E5BC9E-0822-4012-A91D-E4D483D638CE}.Release|Any CPU.Build.0 = Release|Any CPU
+		{581B74CB-EC73-41AA-8283-3FC036A6BFEF}.Debug|Any CPU.ActiveCfg = Debug|Any CPU
+		{581B74CB-EC73-41AA-8283-3FC036A6BFEF}.Debug|Any CPU.Build.0 = Debug|Any CPU
+		{581B74CB-EC73-41AA-8283-3FC036A6BFEF}.Release|Any CPU.ActiveCfg = Release|Any CPU
+		{581B74CB-EC73-41AA-8283-3FC036A6BFEF}.Release|Any CPU.Build.0 = Release|Any CPU
+	EndGlobalSection
+EndGlobal

src/Common/Core/Core.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net9.0</TargetFramework>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <Nullable>enable</Nullable>
+    <AssemblyName>Lindexi.Src.Core</AssemblyName>
+    <RootNamespace>Lindexi.Src.Core</RootNamespace>
+  </PropertyGroup>
+
+</Project>

src/Common/WpfHelp/App.xaml

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+<Application x:Class="WpfHelp.App"
+             xmlns="http://schemas.microsoft.com/winfx/2006/xaml/presentation"
+             xmlns:x="http://schemas.microsoft.com/winfx/2006/xaml"
+             xmlns:local="clr-namespace:WpfHelp"
+             StartupUri="MainWindow.xaml">
+    <Application.Resources>
+
+    </Application.Resources>
+</Application>

src/Common/WpfHelp/App.xaml.cs

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+using System.Configuration;
+using System.Data;
+using System.Windows;
+
+namespace WpfHelp;
+
+/// <summary>
+/// Interaction logic for App.xaml
+/// </summary>
+public partial class App : Application
+{
+}
+

src/Common/WpfHelp/AssemblyInfo.cs

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+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)
+)]

src/Common/WpfHelp/MainWindow.xaml

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+<Window x:Class="WpfHelp.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"
+        xmlns:local="clr-namespace:WpfHelp"
+        mc:Ignorable="d"
+        Title="MainWindow" Height="450" Width="800">
+    <Grid>
+
+    </Grid>
+</Window>

src/Common/WpfHelp/MainWindow.xaml.cs

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+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 WpfHelp;
+
+/// <summary>
+/// Interaction logic for MainWindow.xaml
+/// </summary>
+public partial class MainWindow : Window
+{
+    public MainWindow()
+    {
+        InitializeComponent();
+    }
+}

src/Common/WpfHelp/WpfHelp.csproj

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+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <OutputType>WinExe</OutputType>
+    <TargetFramework>net9.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <ImplicitUsings>enable</ImplicitUsings>
+    <UseWPF>true</UseWPF>
+  </PropertyGroup>
+
+</Project>