File list (Check if you may need any files):
MyDraw\Draw
......\....\bin
......\....\...\Debug
......\....\...\.....\Draw.vshost.exe
......\....\...\.....\Draw.vshost.exe.manifest
......\....\...\Release
......\....\Circle.cs
......\....\ClassDiagram1.cd
......\....\Draw.csproj
......\....\Form1.cs
......\....\Form1.Designer.cs
......\....\Form1.resx
......\....\IDraw.cs
......\....\MyMath.cs
......\....\obj
......\....\...\x86
......\....\...\...\Debug
......\....\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
......\....\...\...\.....\Draw.csproj.FileListAbsolute.txt
......\....\...\...\.....\Draw.csproj.GenerateResource.Cache
......\....\...\...\.....\Draw.FrmMain.resources
......\....\...\...\.....\Draw.Properties.Resources.resources
......\....\...\...\.....\TempPE
......\....\Program.cs
......\....\Properties
......\....\..........\AssemblyInfo.cs
......\....\..........\Resources.Designer.cs
......\....\..........\Resources.resx
......\....\..........\Settings.Designer.cs
......\....\..........\Settings.settings
......\....\Rect.cs
......\....\Shap.cs
......\MyDraw.sln
......\MyDraw.suo
......\MyDraw
......\......\bin
......\......\...\Debug
......\......\...\.....\MyDraw.vshost.exe
......\......\...\.....\MyDraw.vshost.exe.manifest
......\......\...\Release
......\......\Circle.cs
......\......\ClassDiagram1.cd
......\......\Form1.cs
......\......\Form1.Designer.cs
......\......\Form1.resx
......\......\MyDraw.csproj
......\......\obj
......\......\...\x86
......\......\...\...\Debug
......\......\...\...\.....\DesignTimeResolveAssemblyReferences.cache
......\......\...\...\.....\DesignTimeResolveAssemblyReferencesInput.cache
......\......\...\...\.....\MyDraw.csproj.FileListAbsolute.txt
......\......\...\...\.....\MyDraw.csproj.GenerateResource.Cache
......\......\...\...\.....\MyDraw.Form1.resources
......\......\...\...\.....\MyDraw.Properties.Resources.resources
......\......\...\...\.....\TempPE
......\......\Program.cs
......\......\Properties
......\......\..........\AssemblyInfo.cs
......\......\..........\Resources.Designer.cs
......\......\..........\Resources.resx
......\......\..........\Settings.Designer.cs
......\......\..........\Settings.settings
......\......\Rect.cs
......\......\Shap.cs