Hi Arslan,
Thank you for your update.
I am afraid that I was not able to reproduce the issue mentioned here. Please find the sample in the following link:
http://websamples.syncfusion.com/samples/Diagram.Windows/42774/main.htmPlease find the videoclip in the following link for your reference:
http://websamples.syncfusion.com/samples/Diagram.Windows/42774/VideoClip.zipCould you please explain me in detail of which scenario the issue persists? It would be more helpful for us if you provide us a screenshot or videoclip that depicts the issue, so that we could work out in depth and
provide you a better solution at the earliest.
Please let me know if any questions.
Regards,
Fathima