System.IO.File.CreateText C# (CSharp) Метод

        public static StreamWriter CreateText(String path)
        {
            if (path == null)
                throw new ArgumentNullException(nameof(path));
            Contract.EndContractBlock();

            return new StreamWriter(path, append: false);
        }

 private static void CopySupportFile(string outputDirectory, string fileName, string contents)
 {
     using (var writer = File.CreateText(Path.Combine(outputDirectory, fileName)))
     {
         writer.Write(contents);
     }
 }