Sorry about the inconvenience caused.
We have analysed the reported issue with our sample. We are unable to reproduce the issue. Can you please share more information about the issue based on your application along with the replication procedure? This would be helpful for us to serve you.
We have also shared the video clip of our replication procedure in the following location.
Video Location: http://www.syncfusion.com/downloads/support/directtrac/general/Clip-1644341534.zip
Please let us know if you require further assistance on this.