We are aware of the observed by you issue
with RadExpander placed inside RadWindow. However, I am glad to inform you that the issue has been fixed with version R3 2015. If you are using a version that is lower than the mentioned one we suggest you to upgrade to our latest version. Attached you could find a video that demonstrates how the Window behaves with the latest official version (R1 2017) with RadExpander placed inside it.
If after upgrading the issue is still observed, please provide a sample that demonstrates it - thus we could be able to investigate it further.
We have also noticed that you have asked the exact same question in this
forum thread. We will post the answer there as well in order to be available for the other members of the community. However, could we continue our discussion in this thread - thus we could be able to follow the communication more easily.
Hope this helps.
Telerik by Progress
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