File list (Check if you may need any files):
Russia\.vs\Russia\v14\.suo
......\Russia\App.config
......\......\bin\Debug\Russia.exe
......\......\...\.....\Russia.exe.config
......\......\...\.....\Russia.pdb
......\......\...\.....\Russia.vshost.exe
......\......\...\.....\Russia.vshost.exe.config
......\......\...\.....\Russia.vshost.exe.manifest
......\......\...\.....\RussiaLibrary.dll
......\......\...\.....\RussiaLibrary.pdb
......\......\Element.png
......\......\obj\Debug\DesignTimeResolveAssemblyReferences.cache
......\......\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
......\......\...\.....\Russia.csproj.FileListAbsolute.txt
......\......\...\.....\Russia.csproj.GenerateResource.Cache
......\......\...\.....\Russia.csprojResolveAssemblyReference.cache
......\......\...\.....\Russia.exe
......\......\...\.....\Russia.pdb
......\......\...\.....\Russia.Properties.Resources.resources
......\......\...\.....\Russia.Tetris.resources
......\......\...\.....\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
......\......\...\.....\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
......\......\...\.....\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
......\......\Paint.cs
......\......\Program.cs
......\......\...perties\AssemblyInfo.cs
......\......\..........\Resources.Designer.cs
......\......\..........\Resources.resx
......\......\..........\Settings.Designer.cs
......\......\..........\Settings.settings
......\......\Russia.csproj
......\......\Tetris.cs
......\......\Tetris.Designer.cs
......\......\Tetris.resx
......\Russia.sln
......\Russia.v11.suo
......\......Library\App.config
......\.............\bin\Debug\RussiaLibrary.dll
......\.............\...\.....\RussiaLibrary.dll.config
......\.............\...\.....\RussiaLibrary.pdb
......\.............\...\.....\RussiaLibrary.vshost.exe
......\.............\...\.....\RussiaLibrary.vshost.exe.config
......\.............\...\.....\RussiaLibrary.vshost.exe.manifest
......\.............\Class_Common.cs
......\.............\Class_ControlArray.cs
......\.............\Class_Polygons - 副本.cs
......\.............\Class_Polygons.cs
......\.............\IPolygon.cs
......\.............\LPolygon.cs
......\.............\obj\Debug\DesignTimeResolveAssemblyReferencesInput.cache
......\.............\...\.....\RussiaLibrary.csproj.FileListAbsolute.txt
......\.............\...\.....\RussiaLibrary.csprojResolveAssemblyReference.cache
......\.............\...\.....\RussiaLibrary.dll
......\.............\...\.....\RussiaLibrary.pdb
......\.............\...\.....\TemporaryGeneratedFile_036C0B5B-1481-4323-8D20-8F5ADCB23D92.cs
......\.............\...\.....\TemporaryGeneratedFile_5937a670-0e60-4077-877b-f7221da3dda1.cs
......\.............\...\.....\TemporaryGeneratedFile_E7A71F73-0F8D-4B9B-B56E-8E70B10BC5D3.cs
......\.............\Properties\AssemblyInfo.cs
......\.............\RussiaLibrary.csproj
......\.............\Square.cs
......\.............\TPolygon.cs
......\.............\ZPolygon.cs
......\......\obj\Debug\TempPE
......\......Library\obj\Debug\TempPE
......\.vs\Russia\v14
......\Russia\bin\Debug
......\......\...\Release
......\......\obj\Debug
......\......Library\bin\Debug
......\.............\...\Release
......\.............\obj\Debug
......\.vs\Russia
......\Russia\bin
......\......\obj
......\......\Properties
......\......Library\bin
......\.............\obj
......\.............\Properties
......\.vs
......\Russia
......\RussiaLibrary
Russia