Hi Iliyan,
Presently we do not have any event in TabControlAdv that gets fired in response to a change in the order of the TabPages. We have considered this as a feature request and will try to incorporate this feature at the earliest.
Please refer to the
sample here that shows how you could use a PopupMenu to hide a TabPage, and let me know if this meets your requirements. We appreciate your interest in Syncfusion products.
Regards,
Guru Patwal
Syncfusion, Inc.