File list (Check if you may need any files):
RoundedRectanglesDemo
.....................\DrawHelper.cs
.....................\FormDemo.cs
.....................\FormDemo.Designer.cs
.....................\FormDemo.resx
.....................\PlatformAPI
.....................\...........\Gradientfill.cs
.....................\...........\PlatformAPIs.cs
.....................\...........\Win32Helper.cs
.....................\Program.cs
.....................\Properties
.....................\..........\AssemblyInfo.cs
.....................\..........\Resources.Designer.cs
.....................\..........\Resources.resx
.....................\RoundedRectanglesDemo.csproj
.....................\RoundedRectanglesDemo.csproj.user
RoundedRectanglesDemo.sln