Dear Customer,
Thanks for using syncfusion products,
We have analysed the reported issue. We are able to reproduce
the issue in the version 11.1.0.21, however we would like to inform you that
issue has been resolved with our current version 11.4.0.26. Could you please
upgrade to this version to resolve this issue.
Please click the following link to upgrade to the latest
version:
http://www.syncfusion.com/support/forums/general/115005/Essential-Studio-2013-Volume-4-Final-Release-v114026-available-for-download
Note: That extra point is the duplicate of end point , which
will be added at the end of point collection.
Please let us know if you need further clarification.
Thanks,
Karthikeyan V.