Using a file in the Microsoft build program can be harder then what you imagined. However, if you want to use this properly then you may want to use a program like the CSPROJ - Visual Studio C# Project which can help you get the proper files loaded and in the right manner. Without this, you may have trouble in getting to enjoy the files because of how they are being situated on the machine.
File Extension CSPROJ
Product(s) that can open CSPROJ file
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