To open a hidden file, first make it visible. You can do this by removing the hidden attribute set on it −
FileInfo file= new FileInfo(Environment.CurrentDirectory + @"\myFile.txt"); file.Attributes &= ~FileAttributes.Hidden;
Now treat it as a normal text file and open it. Read the content −
using (StreamReader sr = new StreamReader("myFile.txt")) { string line; while ((line = sr.ReadLine()) != null) { Console.WriteLine(line); } }
After reading, set the attribute as hidden again to hide the file −
file.Attributes |= FileAttributes.Hidden;