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

        private void ReadContents()
        {
            // read GIF file content blocks
            bool done = false;
            while (!(done || Error()))
            {
                int code = Read();
                switch (code)
                {

                    case 0x2C : // image separator
                        ReadImage();
                        break;

                    case 0x21 : // extension
                        code = Read();
                    switch (code)
                    {
                        case 0xf9 : // graphics control extension
                            ReadGraphicControlExt();
                            break;

                        case 0xff : // application extension
                            ReadBlock();
                            String app = "";
                            for (int i = 0; i < 11; i++)
                            {
                                app += (char) block[i];
                            }
                            if (app.Equals("NETSCAPE2.0"))
                            {
                                ReadNetscapeExt();
                            }
                            else
                                Skip(); // don't care
                            break;

                        default : // uninteresting extension
                            Skip();
                            break;
                    }
                        break;

                    case 0x3b : // terminator
                        done = true;
                        break;

                    case 0x00 : // bad byte, but keep going and see what happens
                        break;

                    default :
                        status = StatusFormatError;
                        break;
                }
            }
        }