Hi Shavit ,
The OrthogonalLineConnector connects the custom ports of the nodes perfectly.
The OrthogonalLineConnector not only connect the center ports and also connects the custom ports of the nodes perfectly in v.6.2.0.7. Please refer to the attached sample that works fine in v6.2.0.7.
http://websamples.syncfusion.com/samples/Diagram.Windows/F71993/main.htmPlease let us know if you are able to see the problem in this sample?
Thanks,
Nagaraj