/// <summary>Paste a number of frames from another video stream into this stream</summary>
        /// <param name="sourceStream">Pointer to the unmanaged stream to copy from</param>
        /// <param name="copyPosition">Index of the first frame to copy</param>
        /// <param name="pastePosition">Where to paste the copied frames</param>
        /// <param name="length">Count of frames to paste</param>
        public void Paste(IntPtr sourceStream, int copyPosition, int pastePosition, int length)
        {
            int pastedLength = 0;
            int result       = Avi.EditStreamPaste(this.editableStream, ref pastePosition, ref pastedLength, sourceStream,
                                                   copyPosition, length);

            if (result != 0)
            {
                throw new Exception("Exception in Paste: " + result.ToString());
            }
            this.countFrames += pastedLength;
        }