Yunan.WPF.ImageAnim.GifAnimation.ParseGraphicControlExtension C# (CSharp) Method

        private int ParseGraphicControlExtension(byte[] gifData, int offset)
        {
            int returnOffset = offset;
            // Extension Block
            int length = gifData[offset + 2];
            returnOffset = offset + length + 2 + 1;

            byte packedField = gifData[offset + 3];
            _currentParseGifFrame.disposalMethod = (packedField & 0x1C) >> 2;

            // Get DelayTime
            int delay = BitConverter.ToUInt16(gifData, offset + 4);
            _currentParseGifFrame.delayTime = delay;
            while (gifData[returnOffset] != 0x00)
            {
                returnOffset = returnOffset + gifData[returnOffset] + 1;
            }

            returnOffset++;

            return returnOffset;
        }