parsing a given path in c#

I have a path "C:\Users\TestProject\TestProject.csproj

I wa开发者_StackOverflow社区nt to get the path up until "C:\Users\TestProject

thanks!

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 string dir = System.IO.Path.GetDirectoryName(myPath);

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string fullFilename= @"C:\Users\TestProject\TestProject.csproj";

string folder = Path.GetDirectoryName(fullFilename);