ZForge.Controls.TreeViewAdv.GifDecoder.ReadHeader C# (CSharp) Method

        private void ReadHeader()
        {
            String id = "";
            for (int i = 0; i < 6; i++)
            {
                id += (char) Read();
            }
            if (!id.StartsWith("GIF"))
            {
                status = StatusFormatError;
                return;
            }

            ReadLSD();
            if (gctFlag && !Error())
            {
                gct = ReadColorTable(gctSize);
                bgColor = gct[bgIndex];
            }
        }