AD
Administrator
Syncfusion Team
March 27, 2007 12:07 PM UTC
One way you can try to do this is to handle the TabelControlCellButtonClick and set a flag indicating that it is ok to expand or collapse a group. Then you can handle the GroupExpanding and GroupCollapsing and cancel things if this flag is not set.
Here is a little sample.
http://www.syncfusion.com/Support/user/uploads/WindowsApplication106_f69aff74.zip