Android_UEFIInstaller.BasicInstaller.SearchForPreviousInstallation C# (CSharp) Method

        String SearchForPreviousInstallation(String FolderName)
        {
            String[] drives = Environment.GetLogicalDrives();

            foreach (String drive in drives)
            {
                if (Directory.Exists(drive + FolderName))
                {
                    return drive.Substring(0, 1);
                }
            }

            return "0";
        }