File list (Check if you may need any files):
GDIDemo
GDIDemo\app.config
GDIDemo\bin
GDIDemo\bin\Debug
GDIDemo\bin\Debug\GDIDemo.exe
GDIDemo\bin\Debug\GDIDemo.exe.config
GDIDemo\bin\Debug\GDIDemo.pdb
GDIDemo\bin\Debug\GDIDemo.vshost.exe
GDIDemo\bin\Debug\GDIDemo.vshost.exe.config
GDIDemo\bin\Debug\GDIDemo.vshost.exe.manifest
GDIDemo\bj.jpg
GDIDemo\Form1.cs
GDIDemo\Form1.Designer.cs
GDIDemo\Form1.resx
GDIDemo\Form2.cs
GDIDemo\Form2.Designer.cs
GDIDemo\Form2.resx
GDIDemo\Form3.cs
GDIDemo\Form3.Designer.cs
GDIDemo\Form3.resx
GDIDemo\GDIDemo.csproj
GDIDemo\GDIDemo.sln
GDIDemo\GDIDemo.suo
GDIDemo\obj
GDIDemo\obj\x86
GDIDemo\obj\x86\Debug
GDIDemo\obj\x86\Debug\DesignTimeResolveAssemblyReferences.cache
GDIDemo\obj\x86\Debug\DesignTimeResolveAssemblyReferencesInput.cache
GDIDemo\obj\x86\Debug\GDIDemo.csproj.FileListAbsolute.txt
GDIDemo\obj\x86\Debug\GDIDemo.csproj.GenerateResource.Cache
GDIDemo\obj\x86\Debug\GDIDemo.csprojResolveAssemblyReference.cache
GDIDemo\obj\x86\Debug\GDIDemo.exe
GDIDemo\obj\x86\Debug\GDIDemo.Form1.resources
GDIDemo\obj\x86\Debug\GDIDemo.Form2.resources
GDIDemo\obj\x86\Debug\GDIDemo.Form3.resources
GDIDemo\obj\x86\Debug\GDIDemo.pdb
GDIDemo\obj\x86\Debug\GDIDemo.Properties.Resources.resources
GDIDemo\obj\x86\Debug\TempPE
GDIDemo\obj\x86\Debug\TempPE\Properties.Resources.Designer.cs.dll
GDIDemo\Program.cs
GDIDemo\Properties
GDIDemo\Properties\AssemblyInfo.cs
GDIDemo\Properties\Resources.Designer.cs
GDIDemo\Properties\Resources.resx
GDIDemo\Properties\Settings.Designer.cs
GDIDemo\Properties\Settings.settings
GDIDemo\背景.png