Hello,
I am checking if this is still an issue for you. If you require any further assistance please do not hesitate to ask.
Thank you for your post. I have been looking into in and I could not managed to reproduce your issue. I created and attached a small sample for you. Would you please modify this sample in a way your issue is reproducible. Please find the attached sample.
I am looking forward to hearing from you.
Infragistics dll Version information: 11.2.20112.1012