添加项目文件。

MainModule/MainModule.csproj

@@ -0,0 +1,15 @@
+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>net8.0-windows</TargetFramework>
+    <Nullable>enable</Nullable>
+    <UseWPF>true</UseWPF>
+    <ImplicitUsings>enable</ImplicitUsings>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <ProjectReference Include="..\TestingModule\TestingModule.csproj" />
+    <ProjectReference Include="..\UIShare\UIShare.csproj" />
+  </ItemGroup>
+
+</Project>