AccessProviderSample.AccessDBProvider.NewDrive C# (CSharp) Method

        protected override PSDriveInfo NewDrive(PSDriveInfo drive)
        {
            // check if drive object is null
            if (drive == null)
            {
                WriteError(new ErrorRecord(
                    new ArgumentNullException("drive"),
                    "NullDrive",
                    ErrorCategory.InvalidArgument,
                    null)
                );

                return null;
            }

            // check if drive root is not null or empty
            // and if its an existing file
            if (String.IsNullOrEmpty(drive.Root) || (File.Exists(drive.Root) == false))
            {
                WriteError(new ErrorRecord(
                    new ArgumentException("drive.Root"),
                    "NoRoot",
                    ErrorCategory.InvalidArgument,
                    drive)
                );

                return null;
            }

            // create a new drive and create an ODBC connection to the new drive
            AccessDBPSDriveInfo accessDBPSDriveInfo = new AccessDBPSDriveInfo(drive);

            OdbcConnectionStringBuilder builder = new OdbcConnectionStringBuilder();

            builder.Driver = "Microsoft Access Driver (*.mdb)";
            builder.Add("DBQ", drive.Root);

            OdbcConnection conn = new OdbcConnection(builder.ConnectionString);
            conn.Open();
            accessDBPSDriveInfo.Connection = conn;

            return accessDBPSDriveInfo;
        }