public void Create(string filename) //ToDo(DZ): Is this enough implementation for the memory-only version?
        {
            erf  = new Cabinet.ERF();
            ccab = Cabinet.CCAB.Create();

            ccab.cb             = int.MaxValue;
            ccab.cbFolderThresh = int.MaxValue;
            ccab.setID          = ++seq;

            Array.Copy("".ToCharArray(), ccab.szCabPath, "".Length);
            Array.Copy(filename.ToCharArray(), ccab.szCab, filename.Length);

            handle = Cabinet.FCICreate(
                ref erf,
                FciFilePlacedDelegate,
                FciAllocDelegate,
                FciFreeDelegate,
                FciOpenDelegate,
                FciReadDelegate,
                FciWriteDelegate,
                FciCloseDelegate,
                FciSeekDelegate,
                FciDeleteDelegate,
                FciGetTempFileDelegate,
                ref ccab,
                IntPtr.Zero);

            if (handle == -1)
            {
                throw new Exception("Failed to create cabinet: " + filename);
            }
        }
        /// <summary>
        /// Creates and initializes the CAB file compressor.
        /// </summary>
        /// <param name="folder">Where to place the created CAB file. If null, current working directory is used.</param>
        /// <param name="filename">The name of the CAB file including extension, but without path information.</param>
        public void Create(string folder, string filename)
        {
            erf  = new Cabinet.ERF();
            ccab = Cabinet.CCAB.Create();

            ccab.cb             = int.MaxValue;
            ccab.cbFolderThresh = int.MaxValue;
            ccab.setID          = ++seq;

            // If folder is null, use the current working folder.
            if (folder == null)
            {
                folder = Directory.GetCurrentDirectory();
            }

            folder = Path.GetFullPath(folder);

            // Ensure the folder path ends with a backslash
            if (!folder.EndsWith("" + Cabinet.DirectorySeparatorChar))
            {
                folder += Cabinet.DirectorySeparatorChar;
            }

            Array.Copy(folder.ToCharArray(), ccab.szCabPath, folder.Length);
            Array.Copy(filename.ToCharArray(), ccab.szCab, filename.Length);

            handle = Cabinet.FCICreate(
                ref erf,
                FciFilePlacedDelegate,
                FciAllocDelegate,
                FciFreeDelegate,
                FciOpenDelegate,
                FciReadDelegate,
                FciWriteDelegate,
                FciCloseDelegate,
                FciSeekDelegate,
                FciDeleteDelegate,
                FciGetTempFileDelegate,
                ref ccab,
                IntPtr.Zero);

            if (handle == -1)
            {
                throw new Exception("Failed to create cabinet: " + filename);
            }
        }