Getting location of file tnsnames.ora by code

Question

How can I get the location of the tnsnames.ora file by code, in a machine with the Oracle client installed?

Is there a windows registry key indicating the l

Answer 1

List logicalDrives = Directory.GetLogicalDrives().ToList();
            List result = new List();
            foreach (string drive in logicalDrives)
            {
                Console.WriteLine("Searching " + drive);
                DriveInfo di = new DriveInfo(drive);
                if(di.IsReady)
                    result = Directory.GetFiles(drive, "tnsnames.ora", SearchOption.AllDirectories).ToList();
                if (0 < result.Count) return;
            }
            foreach (string file in result) { Console.WriteLine(result); }