public override Stream OpenInputFileStream(string path)
        {
            Stream st = null;

            StreamResourceInfo sr = Application.GetResourceStream(new Uri(CFilePath.removeFirstSlash(path), UriKind.Relative));
            if (sr != null)
                st = sr.Stream;

            if (st == null)
            {
                try
                {
                    CRhoFile file = new CRhoFile();
                    file.open(path, CRhoFile.EOpenModes.OpenReadOnly);
                    st = file.getStream();
                }
                catch (Exception exc)
                {
                    throw new System.IO.FileNotFoundException();
                }
            }

            if (st == null)
                throw new System.IO.FileNotFoundException();

            return st;
        }
        public override Stream OpenInputFileStream(string path, FileMode mode, FileAccess access, FileShare share)
        {
            //TODO: OpenInputFileStream with params

            Stream st = null;
            if (access == FileAccess.Read)
                return OpenInputFileStream(path);
            else
            {
                CRhoFile file = new CRhoFile();
                file.open(path, CRhoFile.EOpenModes.OpenForReadWrite);
                st = file.getStream();
            }

            if (st == null)
                throw new System.IO.FileNotFoundException();

            return st;
        }
        public override Stream OpenInputFileStream(string path, FileMode mode, FileAccess access, FileShare share)
        {
            //TODO: OpenInputFileStream with params

            Stream st = null;
            if (access == FileAccess.Read)
            {
                st = OpenInputFileStream(path);
                if (st == null)
                {
                    CRhoFile file = new CRhoFile();
                    file.open(path, CRhoFile.EOpenModes.OpenReadOnly);
                    st = file.getStream();
                }

            }
            else
            {
                CRhoFile file = new CRhoFile();
                file.open(path, CRhoFile.EOpenModes.OpenForReadWrite);
                st = file.getStream();
            }

            return st;
        }