/// <summary>
/// Get an enumerator of the QuadEdges in this plannar subdivision
/// </summary>
/// <returns>An enumerator of all MCvQuadEdge2D</returns>
public IEnumerator <MCvQuadEdge2D> GetEnumerator()
{
IntPtr subdivEdges = MCvSubdiv2D.edges;
int elemSize = ((MCvSet)Marshal.PtrToStructure(subdivEdges, typeof(MCvSet))).elem_size;
MCvSeqReader reader = new MCvSeqReader();
CvInvoke.cvStartReadSeq(subdivEdges, ref reader, false);
for (; CvInvoke.CV_IS_SET_ELEM(reader.ptr); CvInvoke.CV_NEXT_SEQ_ELEM(elemSize, ref reader))
{
yield return((MCvQuadEdge2D)Marshal.PtrToStructure(reader.ptr, typeof(MCvQuadEdge2D)));
}
}