As the youtube api v3 sample for uploading videos under c# .net does not compile in visual studio 2010, please upload a working solution zip file containing all necessary dependencies for those having the same problem.
A zip file containing sln, csproj etc. of a working(!) project uploading video files to youtube using the v3 of the api(https://developers.google.com/youtube/v3/code_samples/dotnet).