File list (Check if you may need any files):
MDI子窗体
.........\Backup
.........\......\MDI子窗体
.........\......\.........\Form1.Designer.cs
.........\......\.........\Form1.cs
.........\......\.........\Form1.resx
.........\......\.........\Form2.Designer.cs
.........\......\.........\Form2.cs
.........\......\.........\Form2.resx
.........\......\.........\MDI子窗体.csproj
.........\......\.........\Program.cs
.........\......\.........\Properties
.........\......\.........\..........\AssemblyInfo.cs
.........\......\.........\..........\Resources.Designer.cs
.........\......\.........\..........\Resources.resx
.........\......\.........\..........\Settings.Designer.cs
.........\......\.........\..........\Settings.settings
.........\......\MDI子窗体.sln
.........\......\MDI子窗体.suo
.........\MDI子窗体
.........\.........\Form1.Designer.cs
.........\.........\Form1.cs
.........\.........\Form1.resx
.........\.........\Form2.Designer.cs
.........\.........\Form2.cs
.........\.........\Form2.resx
.........\.........\MDI子窗体.csproj
.........\.........\Program.cs
.........\.........\Properties
.........\.........\..........\AssemblyInfo.cs
.........\.........\..........\Resources.Designer.cs
.........\.........\..........\Resources.resx
.........\.........\..........\Settings.Designer.cs
.........\.........\..........\Settings.settings
.........\.........\bin
.........\.........\...\Debug
.........\.........\...\.....\MDI子窗体.exe
.........\.........\...\.....\MDI子窗体.pdb
.........\.........\...\.....\MDI子窗体.vshost.exe
.........\.........\...\Release
.........\.........\obj
.........\.........\...\Debug
.........\.........\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
.........\.........\...\.....\GenerateResource-ResGen.read.1.tlog
.........\.........\...\.....\GenerateResource-ResGen.read.4.tlog
.........\.........\...\.....\GenerateResource-ResGen.write.1.tlog
.........\.........\...\.....\MDI子窗体.Form1.resources
.........\.........\...\.....\MDI子窗体.Form2.resources
.........\.........\...\.....\MDI子窗体.Properties.Resources.resources
.........\.........\...\.....\MDI子窗体.csproj.FileListAbsolute.txt
.........\.........\...\.....\MDI子窗体.csproj.GenerateResource.Cache
.........\.........\...\.....\MDI子窗体.exe
.........\.........\...\.....\MDI子窗体.pdb
.........\.........\...\.....\TempPE
.........\.........\...\.....\......\Properties.Resources.Designer.cs.dll
.........\.........\...\MDI子窗体.csproj.FileList.txt
.........\MDI子窗体.sln
.........\MDI子窗体.suo
.........\UpgradeLog.XML
.........\UpgradeLog2.XML
.........\_UpgradeReport_Files
.........\....................\UpgradeReport.css
.........\....................\UpgradeReport.xslt
.........\....................\UpgradeReport_Minus.gif
.........\....................\UpgradeReport_Plus.gif