I was able to overcome this issue by calling TreeView.Focus before calling TreeView.CollapseAll
> I too am having the same problem, I am using v4.1.0.62 and anytime I cause the node to collapse programmtically it crashes with the same error as above. Both .Expanded =
False and .CollapseAll cause the same error.
>Hi Marco,
>
>I have tested for this issue using the test sample attached in v3.2.1.0 and do not see any crash. Please refer to the
test sample and let me know if I have understood your requirements correctly. If not, kindly modify the sample to show the problem and send it back to us so that we could further investigate this issue. We appreciate your cooperation.
>
>Regards,
>Guru Patwal
>Syncfusion, Inc.